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WO2014196666A1 - Absorbent article - Google Patents

Absorbent article Download PDF

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Publication number
WO2014196666A1
WO2014196666A1 PCT/JP2014/067572 JP2014067572W WO2014196666A1 WO 2014196666 A1 WO2014196666 A1 WO 2014196666A1 JP 2014067572 W JP2014067572 W JP 2014067572W WO 2014196666 A1 WO2014196666 A1 WO 2014196666A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
absorbent article
folded
region
region portion
Prior art date
Application number
PCT/JP2014/067572
Other languages
French (fr)
Japanese (ja)
Other versions
WO2014196666A4 (en
Inventor
中嶋　海陽
翔士 ▲高▼阪
Original Assignee
ユニ・チャーム株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ユニ・チャーム株式会社 filed Critical ユニ・チャーム株式会社
Priority to CN201480078389.XA priority Critical patent/CN106255486A/en
Priority to AU2014275790A priority patent/AU2014275790B2/en
Publication of WO2014196666A1 publication Critical patent/WO2014196666A1/en
Publication of WO2014196666A4 publication Critical patent/WO2014196666A4/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F13/53713—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction the layer having a promotional function on liquid propagation in the vertical direction

Definitions

  • the present invention relates to an absorbent article such as a light incontinence pad that is excellent in fit to a wearer and absorbs liquid such as body fluid.
  • absorbent articles such as light incontinence pads, disposable diapers, sanitary napkins, panty liners, etc.
  • absorbent articles including a second sheet positioned between the top sheet and the absorbent body are known.
  • Patent Document 1 discloses an absorbent article provided with a second sheet whose both ends are folded toward a substantially central line in the longitudinal direction (see FIG. 5). reference).
  • the second sheet is provided with elastic elastic members in the longitudinal direction on both ends of the folding line, the second sheet is removed from the absorber as the elastic elastic member contracts. It is supposed that the top sheet can be raised apart and as a result, the absorbent article of Patent Document 1 can maintain a good fit.
  • Patent Document 2 discloses an absorbent article in which an elastic member made of a liquid-permeable nonwoven fabric or the like is bonded to the skin contact surface side of the absorbent body by folding back both left and right edge portions downward (FIG. 4).
  • the left and right edge portions of the elastic member are folded downward, and the left and right edge portions of the elastic member are different in rigidity from the longitudinal center portion, which is favorable. It is said that twist and leakage can be prevented while maintaining fit.
  • JP 2007-97715 A Japanese Patent Laid-Open No. 11-70141
  • the absorbent article of Patent Document 1 is in a state in which the second sheet and the absorber are always separated by contraction of the elastic elastic member, so that the body fluid discharged from the wearer cannot be quickly absorbed by the absorber, There is a possibility that the body fluid may remain in the top sheet, the second sheet, the gap formed by the separation, or the like. And if a bodily fluid remains in a top sheet or a second sheet, it will continue to wet a wearer's skin and will give a wet feeling to a wearer, and will give a discomfort and discomfort.
  • the absorbent article of patent document 2 cannot fully raise the center part of the said absorbent article, and especially at the time of a wearer's operation
  • a wide gap is formed in the region between the elastic member and the absorber sandwiched between the folded portions of the left and right edges of the elastic member due to the separation between the elastic member and the absorber.
  • the body fluid could not be absorbed quickly, and the body fluid could remain in the top sheet, the second sheet, the gap, or the like.
  • this invention aims at providing the absorbent article which can make the absorber absorb the bodily fluid discharged
  • the absorbent article of the present invention is an absorbent article including a folded second sheet positioned between a top sheet and an absorbent body, wherein the folded second sheet is in a stretched state with the first surface and A reference portion having a second surface and positioned on the top sheet side in a folded state and having a first direction and a second direction perpendicular to each other in plan view; and the reference portion in an extended state Including at least one of a first region portion and a second region portion respectively extending from each end portion in the second direction of the portion, and at least one region of the first region portion and the second region portion
  • the section is a fold line for folding the second sheet in a stretched state with respect to the first surface, and p lines (p is one or more trimmings) extending in the first direction.
  • one of the p mountain fold lines is a reference portion side of both end portions in the second direction of each of the first region portion and the second region portion.
  • the folded second sheet is positioned at the end of the reference sheet and the mountain fold in at least one of the first region portion and the second region portion of the extended second sheet.
  • at least one of the mountain fold division region portions adjacent to the direction side in which the region portion of the line extends extends in a plan view across the central axis extending in the longitudinal direction of the absorbent article in the width direction. , Straddling the central axis extending in the width direction of the absorbent article in the longitudinal direction It is intended to extend.
  • the second sheet is folded at least once along at least one mountain fold line, and in the folded second sheet, the reference portion facing the top sheet side And at least one of the mountain fold section regions that are mountain-folded on the basis of the first surface extends in the width direction across the central axis extending in the longitudinal direction of the absorbent article in plan view. Since the central axis extending in the width direction of the absorbent article extends across the longitudinal direction (that is, at least in the center of the product), the top sheet is worn by the elastic action of each folded portion of the folded second sheet. While maintaining the fit state of the person's crotch part, the reference part and at least one of the mountain fold division area part are between the top sheet and the absorber in the product center part.
  • the reference portion and the mountain fold section region portion come into contact with each other and are discharged from the wearer.
  • the body fluid such as urine can be absorbed into the absorber quickly and efficiently through the reference portion and the mountain fold section region portion.
  • an absorbent article that is excellent in fit to the wearer's crotch and that can absorb body fluid discharged from the wearer quickly and efficiently.
  • the absorbent article of the present invention is excellent in fit to the wearer's crotch and can absorb body fluid discharged from the wearer quickly and efficiently, so that the absorbent body and absorption of the wearer can be absorbed.
  • the body fluid can be effectively prevented from leaking from the gaps between the active articles, and a comfortable feeling of wearing over a long period of time can be provided without causing a feeling of moistness due to the body fluid remaining on the top sheet.
  • FIG. 1 is a plan view of a light incontinence pad according to an embodiment of the present invention in an extended state.
  • FIG. 2 is a partial cross-sectional view taken along the line II-II ′ of FIG.
  • FIG. 3 is a perspective view of the light incontinence pad of FIG. 1 with the second sheet extended.
  • FIG. 4 is a plan view of the second sheet in the stretched state in FIG. 3.
  • FIG. 5 is a perspective view of the second sheet in FIG. 3 in a folded state.
  • FIG. 6 is a plan view showing an outline of the second sheet in the absorbent article of the present invention.
  • FIG. 7 is a perspective view of another embodiment of the second sheet in a folded state.
  • FIG. 8 is a plan view of the second sheet of FIG. 7 in an extended state.
  • FIG. 9 is a perspective view of still another embodiment of the second sheet in a folded state.
  • FIG. 10 is a plan view of the second sheet of FIG. 9 in an extended state.
  • FIG. 11 is a perspective view of still another embodiment of the second sheet in a folded state.
  • FIG. 12 is a plan view of the second sheet of FIG. 11 in an extended state.
  • FIG. 13 is a perspective view of still another embodiment of the second sheet in a folded state.
  • FIG. 14 is a plan view of the second sheet of FIG. 13 in an extended state.
  • FIG. 15 is a plan view of a light incontinence pad according to another embodiment of the present invention in an extended state.
  • 16 is a partial cross-sectional view taken along the line XVI-XVI 'of FIG. FIG.
  • FIG. 17 is a plan view of a light incontinence pad according to still another embodiment of the present invention in an extended state.
  • 18 is a partial cross-sectional view taken along line XVIII-XVIII 'of FIG.
  • FIG. 19 is a plan view of a light incontinence pad according to still another embodiment of the present invention in an extended state.
  • 20 is a partial cross-sectional view taken along the line XX-XX ′ of FIG.
  • FIG. 1 is a plan view of a light incontinence pad that is an embodiment of the absorbent article of the present invention in an extended state
  • FIG. 2 is a partial cross-sectional view taken along the line II-II ′ of FIG.
  • the light incontinence pad 1 is concave in the longitudinal central portion of an ellipse having a major axis extending in the longitudinal direction D L and a minor axis extending in the width direction D W in plan view. It has a so-called saddle shape.
  • this recessed part is a part which functions as the thigh circumference part PT of the light incontinence pad 1 (absorbent article).
  • the shape of the absorbent article in the present invention is not limited to this, and any shape (for example, as long as the length dimension in the longitudinal direction D L is longer than the width dimension in the width direction D W ). , Rectangular, elliptical, etc.).
  • the light incontinence pad 1 is located on the skin surface side of the wearer, and a highly permeable polymer is applied to a liquid permeable top sheet 2 made of a nonwoven fabric or a liquid permeable plastic film, and a fiber aggregate such as fluff pulp or a nonwoven fabric.
  • An absorbent body 4 made of a dispersion and the like, a folded second sheet 3 made of a liquid-permeable sheet such as a nonwoven fabric, which is located between the top sheet 2 and the absorbent body 4, and the absorbent body 4 It is comprised by the various members containing the liquid-impermeable back sheet 5 arrange
  • FIG. 3 is a perspective view of the second seat in the light incontinence pad according to the embodiment of the present invention (see FIG. 1) in an extended state
  • FIG. 4 is a plan view of the second sheet in the extended state in FIG. FIG.
  • the second sheet 3 is composed of a liquid permeable sheet having a first surface S 1 and a second surface S 2 in an extended state, and is folded.
  • the reference section S P located in the top sheet 2 side in the state, and the reference section S P having a first direction D 1 and the second direction D 2 perpendicular to each other in plan view, the said reference portion S P in stretched state and a first region portion a 1 extending from one end of the second direction D 2.
  • the first area A 1 is a fold line for folding the second sheet in the first direction D 1 with respect to the first surface S 1 in a state where the second sheet 3 is extended.
  • the first direction D 1 the longitudinal direction D L of the absorbent article.
  • Force acting to press the top sheet 2 is the force that utilizes only elastic action of the mountain-folded portion P MF in the second sheet 3 in which the folded, weaker than with conventional resilient and elastic members since the force, when not under pressure such as weight of the wearer, folded the mountains and the reference portion S P output state of the second sheet 3 folded partitioned region part a MF and is separated, the pressure When hooked, the second sheet 3 in the folded state can be caused to function so that the reference portion SP and the mountain fold division region portion AMF are in contact with each other. As a result, it is possible to achieve an appropriate fit according to the wearer's movement.
  • the reference portion S P, and the mountain fold division area portion A MF is, in plan view, that are arranged to present in the product central portion of the light incontinence pad 1, the wearer's weight, etc. when the pressure of applied, folded the mountains and the reference portion S P output state of the second sheet 3 folded in contact with partitioned region portion a MF, in the product central portion, the absorbent body and the second sheet 3 since no large voids formed between the 4, body fluids such as urine discharged from the wearer through the reference portion S P and the mountain fold division area unit a MF, rapid and efficient Can be absorbed by the absorber 4.
  • the first direction D 1 coincides with the longitudinal direction D L of the light incontinence pad 1 (absorbent article) in plan view
  • the second sheet 3 extends in the longitudinal direction D L of the light incontinence pad 1. 2nd folded against the movement of the thigh and the crotch of the wearer transmitted from the thigh circumference PT located on both sides of the longitudinal direction D L because it is folded by one mountain fold along sheet 3 expands easily state, i.e., the so said reference portion S P output second sheet 3 and the mountain fold division area portion a MF is spaced state easy, moderate fit in accordance with the motions of the wearer It becomes easier to realize.
  • both ends E S and E 1 in the second direction D 2 of the extended second sheet 3 do not overlap in the thickness direction of the absorbent article when the second sheet 3 is folded.
  • the end E 1 of the first area portion a 1 side so as to be positioned below the reference portion S P in plan view (i.e., so that only the reference section S P in plan view is visible
  • the length L 1 of the first region A 1 in the second direction D 2 is shorter than the length L S of the reference portion SP in the second direction D 2 .
  • both ends E S and E 1 in the second direction D 2 of the stretched second sheet 3 are in the thickness direction of the absorbent article when the second sheet 3 is folded.
  • ⁇ Does not overlap '' refers to a state in which the both end portions do not completely overlap. For example, when the both end portions are each linear, the respective end portions are on the same straight line in the thickness direction of the absorbent article. It refers to a state that does not exist.
  • FIG. 6 is a plan view of the stretched state showing the outline of the second sheet in the absorbent article of the present invention. As shown in FIG.
  • the second sheet 3 a reference section S p with folded positioned on the top sheet side in the state, the first direction D 1 and the second direction D 2 perpendicular to each other in plan view, in extended state comprises at least one of said reference portion S first area portion extending from each end portion in the second direction D 2 of the p a 1 and the second region a 2, the first At least one of the area part A 1 and the second area part A 2 is a folding line for folding the second sheet 3 on the basis of the first surface S 1 in the extended second sheet 3.
  • a is, p present extending in the first direction D 1 (p is 1 or more is an integer.) valley fold and mountain fold line L MF of the second sheet 3 as the first reference surface S 1 a polygonal line for, q present extending in the first direction D 1 q has a valley-fold line L VF of an integer of 0 or more.), one is the first domain area A 1 and the second region of the crest-folding line L MF of the p present and it is configured so as to be positioned at an end portion of the reference portion S P side of the both end portions of each of the second direction D 2 parts a 2.
  • the second sheet 3, and the reference section S P wherein the area portion of the mountain fold lines L MF at least one region portion of the first region portion A 1 and the second region A 2 is extended extending at least one of convex fold division area unit a MF adjacent in the direction side, respectively, over in plan view, the central axis C L extending in the longitudinal direction D L of the absorbent article in the width direction D W to At the same time, the absorbent article is folded so as to extend across the longitudinal direction D L of the central axis C W extending in the width direction D W of the absorbent article (that is, at least in the center of the product). Between the top sheet and the absorbent body. Incidentally, as shown in FIG.
  • a second sheet 3 folded as described above, in mountain fold and any of the reference portion S P by the elastic action of the formed convex fold portion P MF and any valley fold portions P VF by valley fold is pushed up
  • the top sheet can be pressed from the back side. Since the force that presses the top sheet is weaker than when a conventional elastic elastic member is used, when the pressure such as the weight of the wearer is not applied, the reference portion Sp and the first When the area is separated from the plurality of segmented regions separated by the broken lines in the region and the second region, and the pressure is applied, the reference portion SP and the plurality of segmented regions are brought into contact with each other.
  • the second seat 3 can be made to function, and an appropriate fit according to the wearer's movement can be realized.
  • the reference portion SP and at least one of the mountain fold division region portions are arranged in the center of the product, when the pressure such as the weight of the wearer is applied, the reference portion SP and Urine discharged from the wearer because the plurality of divided region portions are in contact with each other, and a large gap is not formed between the second sheet 3 and the absorber 4 in the product central portion. of body fluids through the reference portion S P and at least one mountain fold division area unit a MF, it can be absorbed rapidly and efficiently into the absorber 4.
  • the second sheet according to the present invention has each end portion in the second direction of the second sheet (that is, when the second sheet 3 does not have the second region portion A 2 , the reference portion S P in FIG. 4 or the like).
  • side end E S and the end portion of the first domain area a 1 side E 1 if the second sheet 3 has a second region a 2, the end of the second region a 2 side in FIG. 6
  • the mountain fold portion P MF and the valley fold portion P VF are all folded so as not to overlap in the thickness direction. it is particularly preferred that the folded such that only the reference section S P in plan view is visible.
  • the reference portion S P is easily deformed advantageously convex, to press more precisely the top sheet from the back side As a result, excellent fit can be obtained.
  • a valley fold division area unit A VF, the first region portion A 1 and the second the at area part A 2 valley folding line L of the first region of the VF A 1 and the second a region adjacent to the direction of the area portion a 2 extends from the valley-folding line L VF, if there is no next fold line or fold line refers to a region to the end of the second sheet.
  • a second sheet of a folded state shown in FIG. 7 3 is folded by a single pile along one convex fold L MF and one valley fold lines L VF folding and one valley fold .
  • the fold line L VF and the valley fold section area A VF between the end portions E 1 extend across the center axis C L extending in the longitudinal direction D L of the absorbent article across the width direction D W in plan view.
  • disposed in the absorbent article so as to extend across the longitudinal direction D L (that is, at least in the center of the product) with a central axis C W extending in the width direction D W of the absorbent article.
  • the second sheet 3 in a state of being folded in this embodiment, the elastic action of the two positions of the mountain fold and mountain fold portion P MF formed by a valley fold and valley fold portions P VF, the reference portion S P Since it can be stably pushed up in a substantially vertical direction, an appropriate fit can be achieved while pressing the top sheet from the back side.
  • valley-fold division area A VF in plan view, since it is located in the product central portion of the absorbent article, the product central In the portion, a large gap is not formed between the second sheet 3 and the absorber 4, and body fluid such as urine discharged from a wearer is used as the reference portion S P , the mountain fold division region portion A MF, and through the valley fold division area a VF, it can be absorbed rapidly and efficiently into the absorber 4.
  • the second sheet 3 in the folded state shown in FIG. 9 is obtained by two mountain folds and one valley fold along two mountain fold lines L MF1 and L MF2 and one valley fold line L VF . It is folded. Second sheet 3 of the folded state, as shown in FIG.
  • the first region portion A 1 is a first area portion a 1 in the second direction D 2 reference section S P located at the end portion of the side and the first one of the first mountain folding line L MF1 extending in a direction D 1 in, first in the region between the reference portion S P side of the mountain fold lines L MF1 and the second direction D 2 of the first region portion a 1 of the opposite end E 1, the first region portion a 1 is extended sequentially in the direction of, the first direction D 1 present second mountain fold line extending in the 1 L MF2, have one and the valley fold line L VF extending in the first direction D 1 Yes.
  • the second sheet 3 in the folded state in this embodiment includes a first mountain fold portion P MF1 , a second mountain fold portion P MF2, and a valley fold portion P formed by the two mountain folds and the one valley fold.
  • the elastic action of VF, for the reference portion S P can be pushed relatively stronger than that of the above embodiment, while maintaining an appropriate fit state, relatively strongly presses the top sheet from the back side be able to.
  • the reference portion S P, and the second mountain fold division area portion A MF2 is, in plan view, since it is located in the product central portion of the absorbent article, in the product central portion, the second sheet 3 And a large gap is not formed between the absorbent body 4 and the body fluid such as urine discharged from the wearer through the reference portion SP and the second mountain fold section region portion AMF2. It can be made to absorb in the absorber 4.
  • the second sheet 3 of the folded state in the present embodiment the first mountain folding division area portion A MF1 between the first mountain folding line L MF1 and the valley-folding lines L VF, the valley fold lines L
  • the valley fold section area A VF between VF and the second mountain fold line L MF2 is not arranged so as to exist in the center of the product, but these areas exist in the center of the product. Since the number of the second sheets 3 interposed between the top sheet 2 and the absorber 4 is increased, the body fluid discharged from the wearer can be more quickly discharged. And it can be made to absorb into the absorber 4 efficiently.
  • the second sheet 3 in the folded state has a reference portion SP , a first region portion A 1, and a second region portion A 2 in the stretched state.
  • 1 area unit a 1 is a single that and located at the end portion of the reference portion S P side extending in the first direction D 1 in the second direction D 2 of the first region portion a 1 convex fold L MF When located in the region between the ends E 1 opposite to the reference portion S P side in ⁇ fold lines L MF and the second direction D 2 of the first region portion a 1 and the first direction It includes a single valley fold lines L VF extending D 1, the second region a 2 is located at the end of the reference portion S P side in the second direction D 2 of the second region portion a 2 and wherein 'and MF, ⁇ fold line L' first direction D 1 present mountain fold lines L extending in the first and the reference portion S P side in MF and the second direction D 2 of the second region a 2 is Between the opposite end E 2 One valley fold line L ′ VF is located in the region and extends in the first direction D 1 .
  • the second sheet 3 in the folded state in this embodiment includes a mountain fold portion P MF of the first region A 1 and a mountain of the second region A 2 formed by the two mountain folds and the two valley folds.
  • the reference portion Sp and each mountain fold section region portion can be partially moved in accordance with how the pressure such as the weight of the wearer is applied by causing the elastic action to occur at four positions. Therefore, it is possible to achieve better fit.
  • mountain fold division area portion A MF of the first region portion A 1 is, in plan view, because it is located in the product central portion of the absorbent article, the product central portion in the second sheet 3 and the large void portion is not formed between the absorber 4, mountain fold bodily fluids of the reference portion S P and the first region portion a 1 such as urine discharged from the wearer It can be made to absorb into the absorber 4 quickly and efficiently through the segmented region portion AMF .
  • the second sheet 3 in the folded state in the present embodiment has a mountain fold section area A ′ MF between the mountain fold line L ′ MF and the valley fold line L ′ VF in the second area A 2.
  • the area may be arranged so as to exist in the center of the product (in this case, the second sheet 3 is the first area A 1 and said one second region a 2 and are folded so fold at the lower side of the reference portion S P, valley fold and the first region portion a 1 of the valley-folded portion P VF of the second region a 2 Folded to match the part P ′ VF .)
  • the number of the second sheets 3 interposed between the top sheet 2 and the absorbent body 4 increases in this way, The body fluid discharged from the wearer is absorbed into the absorbent body 4 more quickly and efficiently. Can.
  • the folded second sheet 3 shown in FIG. 13 is folded by two mountain folds along two mountain fold lines L MF1 and L MF2 .
  • One extending second fold line LMF2 is provided.
  • the second sheet 3 of the folded state shown in FIG. 13, with the reference portion S P, the first mountain folding partition region between the first mountain folding line L MF1 and the second mountain fold division area unit A MF2 central and part a MF1, a second mountain fold division area portion a MF2 between the second mountain fold line L MF2 and said end E 1 is, in plan view, extending in the longitudinal direction D L of the absorbent article the axis C L while extending across the width direction D W, the central axis C W extending in the width direction D W of the absorbent article extending across the longitudinal direction D L (i.e., present in at least the product central portion As is) in the absorbent article.
  • the reference portion S P by the elastic action of the first mountain folding portion P MF1 and the second mountain folding portion P MF2 formed by mountain fold of the two
  • the top sheet can be pushed up from the back side with certainty while maintaining an appropriate fit state.
  • the first mountain folding division area unit A MF1, and the second mountain fold division area portion A MF2 is, because in plan view, are arranged in the product central portion of the absorbent article
  • the body fluid such as urine discharged from the wearer is passed through the reference portion S P , the first mountain fold section area A MF1 and the second mountain fold section area A MF2 in the center of the product, It can be absorbed into the absorber 4 quickly and efficiently.
  • FIG. 15 is a plan view of a light incontinence pad according to another embodiment of the present invention in an extended state
  • FIG. 16 is a partial cross-sectional view taken along the line XVI-XVI ′ of FIG.
  • the absorbent article according to the present invention has a body fluid absorption region T A and regions T B and T B ′ other than the body fluid absorption region in the longitudinal direction D L of the product.
  • the “body fluid absorption region” refers to a region corresponding to the body fluid excretion position of the wearer when wearing the absorbent article, and the type of the absorbent article, specifically, urination, defecation, menstrual blood This is a region that is appropriately set according to the type of body fluid to be discharged, the age and sex of the wearer, the contact region with the wearer, the configuration of the absorber, and the like.
  • the “region other than the body fluid absorption region” refers to a region other than the body fluid absorption region, and the region includes a region that does not absorb body fluid discharged from the wearer and a region corresponding to the wearer's body fluid excretion position. Although it is not, the area
  • the second sheet in the folded state efficiently utilizes the elastic action of each folded portion, and the separation between the reference portion and the mountain fold section region portion according to the wearing state of the absorbent article and to improve the flexibility of the contact, at least in body fluid absorption region T a of the absorbent article, the surface facing each other second sheet folded state it is desirable that not bonded.
  • the degree of freedom of separation and contact between the reference portion and the mountain fold section region portion is high, the pressure applied to the absorbent article by the operation of the wearer standing, walking or sitting Even if the pressure changes, the application range in which the reference portion and the mountain fold section region portion can be separated from each other or come into contact with each other according to the change in the pressure is expanded, and the wearer is better. Fit can be realized.
  • the second sheet in a folded state is in a folded state in regions T B and T B ′ other than the body fluid absorbing region of the light incontinence pad 1 (absorbent article).
  • facing surfaces between the second sheet 3 may have a junction P B joined.
  • emitted from the wearer can be smoothly absorbed by an absorber irrespective of the change of the pressure to the absorbent article produced by a wearer's operation
  • the means for joining the opposing surfaces of the second sheet in a folded state is not particularly limited, and for example, an adhesive such as hot melt, or heat fusion such as heat sealing Any joining means such as thermocompression bonding such as embossing can be employed.
  • the light incontinence pad 1 (absorbent article) shown in FIGS. 15 and 16 is an embodiment in which an adhesive 6 such as hot melt is employed as a joining means.
  • the joint portion P B is formed only between the opposed surfaces of the second sheet in the folded state, and does not hinder diffusion of body fluid flowing over the reference portion of the second sheet. The body fluid discharged from the wearer can be smoothly absorbed by the absorber 4 from a wide area.
  • FIG. 17 is a plan view of a light incontinence pad according to still another embodiment of the present invention in an extended state
  • FIG. 18 is a partial cross-sectional view taken along line XVIII-XVIII ′ of FIG.
  • the light incontinence pad 1 (absorbent article) shown in FIG. 17 and FIG. 18 is an embodiment when a means for forming a thermocompression bonding portion 7 by embossing from the top sheet 2 side is adopted as a joining means.
  • the joint portion P B is formed across the top sheet 2, the second sheet 3 and the absorber 4, and the top sheet 2, the second sheet 3 and the absorber 4 are integrated and firmly fixed. Therefore, the body fluid discharged from the wearer can be more smoothly absorbed by the absorbent body 4.
  • the second sheet used in the present invention can be used without particular limitation as long as it is a liquid-permeable sheet such as a non-woven fabric generally used in the field of absorbent articles, and among them, fibers of 1 to 5 denier are used.
  • a sheet-like fiber structure such as a nonwoven fabric formed of fibers having a diameter is particularly preferably used. If the fiber diameter of the fiber constituting the sheet-like fiber structure is less than 1 denier, the second sheet is insufficient in rigidity, and the action of trying to return the folded second sheet to the expanded state is weak. Even if such a second sheet is disposed in the absorbent article, there is a possibility that the desired fit cannot be obtained.
  • the fiber diameter of the fiber which comprises the said sheet-like fiber structure exceeds 5 denier, the rigidity of a 2nd sheet
  • the second sheet used in the present invention may have a laminated structure composed of two or more sheet-like fiber structures.
  • the second sheet By making the second sheet a laminated structure, even if the fiber diameter of the fibers constituting the sheet-like fiber structure is less than 1 denier, etc., it is possible to ensure a predetermined rigidity as the second sheet, By changing the kind of each layer and the number of layers, the liquid permeability and rigidity (or fit property accompanying the rigidity) of the second sheet can be easily and accurately adjusted.
  • the basis weight of the sheet-like fibrous structure used in the second sheet is not particularly limited but is preferably 10 ⁇ 60g / m 2 in terms of rigidity of the liquid permeability and the sheet, more preferably 15 ⁇ 45g / m 2.
  • FIG. 19 is a plan view of a light incontinence pad according to still another embodiment of the present invention in an extended state
  • FIG. 20 is a partial cross-sectional view taken along the line XX-XX ′ in FIG.
  • the second sheet used in the present invention has a structure in which a plurality of convex portions 8 are formed in a dot shape on the first surface and the second surface is formed flat. (Hereinafter, referred to as “second sheet with projections”) may be used.
  • the shape of the convex portion 8 is not particularly limited, and may be any shape such as a columnar shape, a prismatic shape, a truncated pyramid shape, or the like, as shown in FIGS.
  • the dot-like pattern of the protrusions 8 is arranged so that each protrusion is unevenly distributed in a specific region even when the protrusions are uniform in plan view (that is, the distance between the protrusions is constant) (that is, It may be formed (so that the distance between the convex portions in the specific region is short).
  • the production method of the second sheet with projections is not particularly limited, and any production method known in the present technical field can be adopted. For example, the production method disclosed in JP-A-2014-004490, etc. Can be adopted.
  • the term “flat” refers to a plane that has not been subjected to a treatment for imparting a specific shape such as unevenness (for example, embossing, vacuum forming, etc.).
  • a sheet-like fiber structure such as a nonwoven fabric Even if the surface of the body has a fine irregular shape due to the constituent fibers, the surface of the sheet-like fiber structure is assumed to be flat if the treatment for imparting the specific shape is not performed.
  • the light incontinence pad 1 (absorbent article) shown in FIGS. 19 and 20 is an embodiment using the above-described second sheet 3 ′ with projections.
  • the second sheet 3 ′ with projections is one that extends in the first direction D 1 in the direction that coincides with the longitudinal direction D L of the product, with the first surface having the plurality of projections 8 as a reference.
  • the lug second sheet 3 of the deployed folded state 'includes a surface facing the top sheet 2 of the reference section S P, facing the absorbent body 4 of the convex fold division area unit A MF
  • a plurality of convex portions 8 are located on the surface.
  • seat 3 'with a convex part in the said high-density part is positively drawn in
  • the body fluid discharge rate from the wearer is fast, the body fluid can be temporarily stored in the low-density portion other than the high-density portion.
  • the body fluid discharged from the person can be absorbed by the absorber 4 more efficiently.
  • the present invention can be applied to various absorbent articles such as panty liners, sanitary napkins, disposable diapers, etc., in addition to the light incontinence pads of the above-described embodiments. Further, the absorbent article of the present invention is not limited to the above-described embodiment, and can be appropriately changed within the scope not departing from the object and spirit of the present invention.

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  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
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Abstract

　The purpose of the present invention is to provide an absorbent article that fits the crotch area of the wearer well, and allows an absorber to quickly and efficiently absorb bodily fluids.　The present invention relates to an absorbent article that includes a folded second sheet (3). The folded second sheet (3) includes a reference portion positioned on a top sheet (2) side, and a first area and/or a second area that respectively extend from the ends of the reference portion. The areas each have a p number of mountain fold lines (where p is an integer of 1 or greater), and a q number of valley fold lines (where q is an integer of 0 or greater). In the folded second sheet (3), the reference portion and at least one mountain-fold-partitioned area adjacent to said mountain fold line, in a plan view, extend in the width direction across a center line extending in the lengthwise direction of the absorbent article, and also extend in the lengthwise direction across a center line extending in the widthwise direction of the absorbent article.

Description

吸収性物品Absorbent articles
　本発明は、着用者へのフィット性及び体液等の液体の吸収性に優れた、軽失禁パッド等の吸収性物品に関する。 The present invention relates to an absorbent article such as a light incontinence pad that is excellent in fit to a wearer and absorbs liquid such as body fluid.
　従来より、軽失禁パッド、使い捨ておむつ、生理用ナプキン、パンティーライナー等の吸収性物品として、液透過性のトップシート、液不透過性のバックシート、前記トップシートと前記バックシートとの間に位置する吸収体、並びに前記トップシートと前記吸収体との間に位置するセカンドシートを備えた吸収性物品が知られている。 Conventionally, as absorbent articles such as light incontinence pads, disposable diapers, sanitary napkins, panty liners, etc., a liquid-permeable top sheet, a liquid-impermeable back sheet, located between the top sheet and the back sheet Absorbent articles including a second sheet positioned between the top sheet and the absorbent body are known.
　このようなセカンドシートを備えた吸収性物品として、特許文献１には、両端が長手方向略中心線に向かって折り畳まれているセカンドシートを備えた吸収性物品が開示されている（図５を参照）。この特許文献１の吸収性物品において、前記セカンドシートは、折り畳み線より両端側に、縦方向に弾性伸縮部材が設けられているため、該弾性伸縮部材の収縮に伴ってセカンドシートが吸収体から離間してトップシートを隆起させることができ、その結果、特許文献１の吸収性物品は、良好なフィット感を維持することができるとされている。 As an absorbent article provided with such a second sheet, Patent Document 1 discloses an absorbent article provided with a second sheet whose both ends are folded toward a substantially central line in the longitudinal direction (see FIG. 5). reference). In the absorbent article of Patent Document 1, since the second sheet is provided with elastic elastic members in the longitudinal direction on both ends of the folding line, the second sheet is removed from the absorber as the elastic elastic member contracts. It is supposed that the top sheet can be raised apart and as a result, the absorbent article of Patent Document 1 can maintain a good fit.
　また、特許文献２には、液透過性の不織布等からなる弾性部材を、左右両縁部分を下方に折り返して吸収体の肌当接面側に接着した吸収性物品が開示されている（図４を参照）。この特許文献２の吸収性物品においては、前記弾性部材の左右両縁部分が下方に折り返されて、当該弾性部材の左右両縁部分と長手方向中央部の剛性が異なっていることにより、良好なフィット性を維持しつつ、ヨレや漏れを防止することができるとされている。 Patent Document 2 discloses an absorbent article in which an elastic member made of a liquid-permeable nonwoven fabric or the like is bonded to the skin contact surface side of the absorbent body by folding back both left and right edge portions downward (FIG. 4). In the absorbent article of Patent Document 2, the left and right edge portions of the elastic member are folded downward, and the left and right edge portions of the elastic member are different in rigidity from the longitudinal center portion, which is favorable. It is said that twist and leakage can be prevented while maintaining fit.
特開２００７－９７７１５号公報JP 2007-97715 A 特開平１１－７０１４１号公報Japanese Patent Laid-Open No. 11-70141
　特許文献１の吸収性物品は、前記弾性伸縮部材の収縮によってセカンドシートと吸収体が常に離間した状態となるので、着用者から排出された体液を吸収体に迅速に吸収させることができず、体液がトップシートやセカンドシート、前記離間によって形成される空隙部などに残留する虞があった。そして、体液がトップシートやセカンドシート内に残留すると、着用者の肌を濡らし続けて、着用者に湿りを帯びた感覚を与え、違和感や不快感を与えることとなる。 The absorbent article of Patent Document 1 is in a state in which the second sheet and the absorber are always separated by contraction of the elastic elastic member, so that the body fluid discharged from the wearer cannot be quickly absorbed by the absorber, There is a possibility that the body fluid may remain in the top sheet, the second sheet, the gap formed by the separation, or the like. And if a bodily fluid remains in a top sheet or a second sheet, it will continue to wet a wearer's skin and will give a wet feeling to a wearer, and will give a discomfort and discomfort.
　また、特許文献２の吸収性物品は、弾性部材の折り返し部分が左右両縁部のみであるため、前記吸収性物品の中央部を十分に隆起させることができず、特に着用者の動作時において、トップシートが着用者の股間部にフィットした状態を維持し難くなる虞があった。さらに、前記弾性部材の左右両縁部の折り返し部分に挟まれた、前記弾性部材と吸収体との間の領域には、前記弾性部材と吸収体との離間によって広い空隙部が形成されるので、特許文献１の吸収性物品の場合と同様に、体液を迅速に吸収することができず、体液がトップシートやセカンドシート、前記空隙部などに残留する虞があった。 Moreover, since the folding | turning part of an elastic member is only a right-and-left both edge part, the absorbent article of patent document 2 cannot fully raise the center part of the said absorbent article, and especially at the time of a wearer's operation | movement. There is a concern that it may be difficult to maintain a state in which the top sheet is fitted to the wearer's crotch. Further, a wide gap is formed in the region between the elastic member and the absorber sandwiched between the folded portions of the left and right edges of the elastic member due to the separation between the elastic member and the absorber. As in the case of the absorbent article of Patent Document 1, the body fluid could not be absorbed quickly, and the body fluid could remain in the top sheet, the second sheet, the gap, or the like.
　そこで、本発明は、着用者の股間部へのフィット性に優れると共に、着用者から排出された体液を迅速且つ効率的に吸収体に吸収させることのできる吸収性物品を提供することを目的とする。 Then, this invention aims at providing the absorbent article which can make the absorber absorb the bodily fluid discharged | emitted from the wearer quickly and efficiently while being excellent in the fit property to a wearer's crotch part. To do.
　本発明の吸収性物品は、トップシート及び吸収体の間に位置する折り畳まれたセカンドシートを含む吸収性物品であって、前記折り畳まれたセカンドシートは、伸長された状態において第１の面及び第２の面を有し、且つ、折り畳まれた状態において前記トップシート側に位置し、平面視にて互いに直交する第１方向及び第２方向を有する基準部と、伸長された状態において前記基準部の前記第２方向における各端部からそれぞれ延在する第１領域部及び第２領域部のうちの少なくとも一方とを含み、前記第１領域部及び第２領域部のうちの少なくとも一方の領域部は、伸長された状態のセカンドシートにおいて、前記第１の面を基準としてセカンドシートを山折りするための折線であって、前記第１方向に延びるｐ本（ｐは、１以上の整数である。）の山折り線と、前記第１の面を基準としてセカンドシートを谷折りするための折線であって、前記第１方向に延びるｑ本（ｑは、０以上の整数である。）の谷折り線とを有し、前記ｐ本の山折り線のうちの１本が、前記第１領域部及び前記第２領域部のそれぞれの第２方向における両端部のうちの基準部側の端部に位置し、前記折り畳まれたセカンドシートは、前記基準部と、伸長された状態のセカンドシートの前記第１領域部及び第２領域部のうちの少なくとも一方の領域部において前記山折り線の前記領域部が延在する方向側に隣接する山折り区分領域部の少なくとも１つとが、平面視にて、吸収性物品の長手方向に延びる中央軸線を幅方向に跨って延在すると共に、吸収性物品の幅方向に延びる中央軸線を長手方向に跨って延在するものである。 The absorbent article of the present invention is an absorbent article including a folded second sheet positioned between a top sheet and an absorbent body, wherein the folded second sheet is in a stretched state with the first surface and A reference portion having a second surface and positioned on the top sheet side in a folded state and having a first direction and a second direction perpendicular to each other in plan view; and the reference portion in an extended state Including at least one of a first region portion and a second region portion respectively extending from each end portion in the second direction of the portion, and at least one region of the first region portion and the second region portion The section is a fold line for folding the second sheet in a stretched state with respect to the first surface, and p lines (p is one or more trimmings) extending in the first direction. And a folding line for valley-folding the second sheet on the basis of the first surface, and q pieces (q is an integer of 0 or more) extending in the first direction. ), And one of the p mountain fold lines is a reference portion side of both end portions in the second direction of each of the first region portion and the second region portion. The folded second sheet is positioned at the end of the reference sheet and the mountain fold in at least one of the first region portion and the second region portion of the extended second sheet. And at least one of the mountain fold division region portions adjacent to the direction side in which the region portion of the line extends extends in a plan view across the central axis extending in the longitudinal direction of the absorbent article in the width direction. , Straddling the central axis extending in the width direction of the absorbent article in the longitudinal direction It is intended to extend.
　本発明の吸収性物品においては、セカンドシートが、少なくとも１本の山折り線に沿って１回以上折り畳まれており、且つ、折り畳まれた状態のセカンドシートにおいて、トップシート側に面する基準部と、前記第１の面を基準として山折りされる山折り区分領域部の少なくとも１つとが、平面視にて、吸収性物品の長手方向に延びる中央軸線を幅方向に跨って延在すると共に、吸収性物品の幅方向に延びる中央軸線を長手方向に跨って延在する（すなわち、少なくとも製品中央部に存在する）ため、折り畳まれたセカンドシートの各折り部の弾性作用によってトップシートの着用者の股間部へのフィット状態を維持しつつ、製品中央部においてトップシートと吸収体との間に、前記基準部と、前記山折り区分領域部の少なくとも１つとが介在する（すなわち、少なくとも２枚のセカンドシートが介在する）ことにより、着用者の体重などによる圧力が掛かったときに、前記基準部と前記山折り区分領域部とが接触し、着用者から排出された尿などの体液を前記基準部及び前記山折り区分領域部を介して、迅速且つ効率的に吸収体に吸収させることができる。 In the absorbent article of the present invention, the second sheet is folded at least once along at least one mountain fold line, and in the folded second sheet, the reference portion facing the top sheet side And at least one of the mountain fold section regions that are mountain-folded on the basis of the first surface extends in the width direction across the central axis extending in the longitudinal direction of the absorbent article in plan view. Since the central axis extending in the width direction of the absorbent article extends across the longitudinal direction (that is, at least in the center of the product), the top sheet is worn by the elastic action of each folded portion of the folded second sheet. While maintaining the fit state of the person's crotch part, the reference part and at least one of the mountain fold division area part are between the top sheet and the absorber in the product center part. By being present (that is, at least two second sheets are interposed), when pressure due to the weight of the wearer is applied, the reference portion and the mountain fold section region portion come into contact with each other and are discharged from the wearer. The body fluid such as urine can be absorbed into the absorber quickly and efficiently through the reference portion and the mountain fold section region portion.
　本発明によれば、着用者の股間部へのフィット性に優れると共に、着用者から排出された体液を迅速且つ効率的に吸収体に吸収させることのできる吸収性物品を提供することができる。本発明の吸収性物品は、着用者の股間部へのフィット性に優れると共に、着用者から排出された体液を迅速且つ効率的に吸収体に吸収させることができるため、着用者の肌と吸収性物品の間の隙間から体液が漏れるのを効果的に防ぐことができると共に、トップシートに残留する体液による湿り感を生じさせず、長時間に亘る快適な着用感を提供することができる。 According to the present invention, it is possible to provide an absorbent article that is excellent in fit to the wearer's crotch and that can absorb body fluid discharged from the wearer quickly and efficiently. The absorbent article of the present invention is excellent in fit to the wearer's crotch and can absorb body fluid discharged from the wearer quickly and efficiently, so that the absorbent body and absorption of the wearer can be absorbed. The body fluid can be effectively prevented from leaking from the gaps between the active articles, and a comfortable feeling of wearing over a long period of time can be provided without causing a feeling of moistness due to the body fluid remaining on the top sheet.
図１は、本発明の一実施形態である軽失禁パッドの伸長された状態の平面図である。FIG. 1 is a plan view of a light incontinence pad according to an embodiment of the present invention in an extended state. 図２は、図１のII－II’線に沿った部分断面図である。FIG. 2 is a partial cross-sectional view taken along the line II-II ′ of FIG. 図３は、図１の軽失禁パッドにおけるセカンドシートの伸長された状態の斜視図である。FIG. 3 is a perspective view of the light incontinence pad of FIG. 1 with the second sheet extended. 図４は、図３における伸長された状態のセカンドシートの平面図である。FIG. 4 is a plan view of the second sheet in the stretched state in FIG. 3. 図５は、図３におけるセカンドシートの折り畳んだ状態の斜視図である。FIG. 5 is a perspective view of the second sheet in FIG. 3 in a folded state. 図６は、本発明の吸収性物品におけるセカンドシートの概要を示す平面図である。FIG. 6 is a plan view showing an outline of the second sheet in the absorbent article of the present invention. 図７は、折り畳んだ状態のセカンドシートの別の実施形態の斜視図である。FIG. 7 is a perspective view of another embodiment of the second sheet in a folded state. 図８は、図７のセカンドシートの伸長された状態の平面図である。FIG. 8 is a plan view of the second sheet of FIG. 7 in an extended state. 図９は、折り畳んだ状態のセカンドシートの更に別の実施形態の斜視図である。FIG. 9 is a perspective view of still another embodiment of the second sheet in a folded state. 図１０は、図９のセカンドシートの伸長された状態の平面図である。FIG. 10 is a plan view of the second sheet of FIG. 9 in an extended state. 図１１は、折り畳んだ状態のセカンドシートの更に別の実施形態の斜視図である。FIG. 11 is a perspective view of still another embodiment of the second sheet in a folded state. 図１２は、図１１のセカンドシートの伸長された状態の平面図である。FIG. 12 is a plan view of the second sheet of FIG. 11 in an extended state. 図１３は、折り畳んだ状態のセカンドシートの更に別の実施形態の斜視図である。FIG. 13 is a perspective view of still another embodiment of the second sheet in a folded state. 図１４は、図１３のセカンドシートの伸長された状態の平面図である。FIG. 14 is a plan view of the second sheet of FIG. 13 in an extended state. 図１５は、本発明の別の実施形態である軽失禁パッドの伸長された状態の平面図である。FIG. 15 is a plan view of a light incontinence pad according to another embodiment of the present invention in an extended state. 図１６は、図１５のXVI－XVI’線に沿った部分断面図である。16 is a partial cross-sectional view taken along the line XVI-XVI 'of FIG. 図１７は、本発明の更に別の実施形態である軽失禁パッドの伸長された状態の平面図である。FIG. 17 is a plan view of a light incontinence pad according to still another embodiment of the present invention in an extended state. 図１８は、図１７のXVIII－XVIII’線に沿った部分断面図である。18 is a partial cross-sectional view taken along line XVIII-XVIII 'of FIG. 図１９は、本発明の更に別の実施形態である軽失禁パッドの伸長された状態の平面図である。FIG. 19 is a plan view of a light incontinence pad according to still another embodiment of the present invention in an extended state. 図２０は、図１９のXX－XX’線に沿った部分断面図である。20 is a partial cross-sectional view taken along the line XX-XX ′ of FIG.
　以下、本発明の吸収性物品の好適な実施形態について、図面を参照しながら詳細に説明する。 Hereinafter, preferred embodiments of the absorbent article of the present invention will be described in detail with reference to the drawings.
　図１は、本発明の吸収性物品の一実施形態である軽失禁パッドの伸長された状態の平面図であり、図２は、図１のII－II’線に沿った部分断面図である。図１及び図２に示すように、軽失禁パッド１は、平面視にて、長手方向ＤLに延びる長径と幅方向ＤWに延びる短径を有する楕円形の長手方向中央部分が窪んだ、いわゆる瓢箪型の形状を有している。なお、この窪んだ部分は、軽失禁パッド１（吸収性物品）の腿周り部ＰTとして機能する部分である。また、本発明における吸収性物品の形状は、これに限定されず、長手方向ＤLの長さ寸法が幅方向ＤWの幅寸法よりも長い長形状のものであれば、任意の形状（例えば、長方形、楕円形等）とすることができる。 FIG. 1 is a plan view of a light incontinence pad that is an embodiment of the absorbent article of the present invention in an extended state, and FIG. 2 is a partial cross-sectional view taken along the line II-II ′ of FIG. . As shown in FIGS. 1 and 2, the light incontinence pad 1 is concave in the longitudinal central portion of an ellipse having a major axis extending in the longitudinal direction D L and a minor axis extending in the width direction D W in plan view. It has a so-called saddle shape. In addition, this recessed part is a part which functions as the thigh circumference part PT of the light incontinence pad 1 (absorbent article). Moreover, the shape of the absorbent article in the present invention is not limited to this, and any shape (for example, as long as the length dimension in the longitudinal direction D L is longer than the width dimension in the width direction D W ). , Rectangular, elliptical, etc.).
　軽失禁パッド１は、着用者の肌面側に位置し、不織布や液透過性プラスチックフィルム等からなる液透過性のトップシート２と、フラッフパルプや不織布等の繊維集合体に高吸収性ポリマーを分散保持させたものなどからなる吸収体４と、前記トップシート２及び前記吸収体４の間に位置し、不織布などの液透過性シートからなる折り畳まれたセカンドシート３と、前記吸収体４のトップシートとは反対側の位置に配置される液不透過性のバックシート５と、を含む各種部材によって構成されている。 The light incontinence pad 1 is located on the skin surface side of the wearer, and a highly permeable polymer is applied to a liquid permeable top sheet 2 made of a nonwoven fabric or a liquid permeable plastic film, and a fiber aggregate such as fluff pulp or a nonwoven fabric. An absorbent body 4 made of a dispersion and the like, a folded second sheet 3 made of a liquid-permeable sheet such as a nonwoven fabric, which is located between the top sheet 2 and the absorbent body 4, and the absorbent body 4 It is comprised by the various members containing the liquid-impermeable back sheet 5 arrange | positioned in the position on the opposite side to a top sheet.
　本発明の吸収性物品に用いられるセカンドシートについて、図面を参照しながら詳細に説明する。図３は、本発明の一実施形態（図１参照）である軽失禁パッドにおけるセカンドシートの伸長された状態の斜視図であり、図４は、図３における伸長された状態のセカンドシートの平面図である。図３及び図４に示すように、本実施形態において、セカンドシート３は、伸長された状態において第１の面Ｓ1及び第２の面Ｓ2を有する液透過性シートからなり、且つ、折り畳まれた状態においてトップシート２側に位置し、平面視にて互いに直交する第１方向Ｄ1及び第２方向Ｄ2を有する基準部ＳPと、伸長された状態において前記基準部ＳPの前記第２方向Ｄ2における一方の端部から延在する第１領域部Ａ1とを有する。 The second sheet used for the absorbent article of the present invention will be described in detail with reference to the drawings. 3 is a perspective view of the second seat in the light incontinence pad according to the embodiment of the present invention (see FIG. 1) in an extended state, and FIG. 4 is a plan view of the second sheet in the extended state in FIG. FIG. As shown in FIGS. 3 and 4, in the present embodiment, the second sheet 3 is composed of a liquid permeable sheet having a first surface S 1 and a second surface S 2 in an extended state, and is folded. located in the top sheet 2 side in the state, and the reference section S P having a first direction D 1 and the second direction D 2 perpendicular to each other in plan view, the said reference portion S P in stretched state and a first region portion a 1 extending from one end of the second direction D 2.
　前記第１領域部Ａ1は、前記セカンドシート３が伸長された状態において、前記第１の面Ｓ1を基準としてセカンドシートを山折りするための折線であって、前記第１方向Ｄ1に延びる１本の山折り線ＬMFを有し、当該山折り線ＬMFは、前記第１領域部Ａ1の第２方向Ｄ2における両端部のうちの基準部ＳP側の端部に位置している。なお、本実施形態においては、前記第１方向Ｄ1＝吸収性物品の長手方向ＤLである。そして、本実施形態におけるセカンドシート３は、図２及び図５に示すように、前記山折り線ＬMFに沿って山折りされて折り畳まれており、前記基準部ＳPと、前記第１領域部Ａ1における前記山折り線ＬMFの前記第１領域部Ａ1が延在する方向側に隣接する山折り区分領域部ＡMFと（本実施形態においては、ＡMF＝Ａ1である。）が、平面視にて、軽失禁パッド１の長手方向ＤLに延びる中央軸線ＣLを幅方向ＤWに跨って延在すると共に、軽失禁パッド１の幅方向ＤWに延びる中央軸線ＣWを長手方向ＤLに跨って延在する（すなわち、少なくとも製品中央部に存在する）ように、前記軽失禁パッド１内に配置されている。 The first area A 1 is a fold line for folding the second sheet in the first direction D 1 with respect to the first surface S 1 in a state where the second sheet 3 is extended. There is a single mountain fold line LMF that extends, and the mountain fold line LMF is located at the end of the first region A 1 in the second direction D 2 on the reference part SP side. is doing. In the present embodiment, the first direction D 1 = the longitudinal direction D L of the absorbent article. Then, the second sheet 3 in the present embodiment, as shown in FIGS. 2 and 5, the mountain fold lines along the L MF are folded being folded mountain with the reference portion S P, the first region wherein said convex fold L MF in part a 1 and mountain folds division area portion a MF first domain area a 1 is adjacent to direction extending (in this embodiment, a a MF = a 1. ) it is, in plan view, as well as extending across the central axis C L extending in the longitudinal direction D L of light incontinence pad 1 in the width direction D W, the central axis C extending in the width direction D W of light incontinence pad 1 It is disposed in the light incontinence pad 1 so as to extend W across the longitudinal direction D L (that is, at least in the center of the product).
　このように折り畳まれたセカンドシート３は、山折りによって形成された山折り部ＰMFの弾性作用、すなわち、折り畳まれたセカンドシート３が伸長された状態に戻ろうとする作用によって前記基準部ＳPが押し上げられて、前記トップシート２を裏面側から押圧することができる。このトップシート２を押圧するように作用する力は、前記折り畳まれたセカンドシート３における山折り部ＰMFの弾性作用のみを利用した力であり、従来の弾性伸縮部材を用いた場合よりも弱い力となるため、着用者の体重などの圧力が掛かっていないときは、折り畳まれた状態のセカンドシート３の前記基準部ＳPと前記山折り区分領域部ＡMFとが離間し、前記圧力が掛かったときは、前記基準部ＳPと前記山折り区分領域部ＡMFとが接触するように前記折り畳まれた状態のセカンドシート３を機能させることができる。その結果、着用者の動作に応じた適度なフィット性を実現することができる。 A second sheet 3 folded in this manner, the elastic action of the mountain-folded portion P MF formed by mountain fold, i.e., the reference by the action of returning to a state where the second sheet 3 folded is extended portion S P Is pushed up, and the top sheet 2 can be pressed from the back side. Force acting to press the top sheet 2 is the force that utilizes only elastic action of the mountain-folded portion P MF in the second sheet 3 in which the folded, weaker than with conventional resilient and elastic members since the force, when not under pressure such as weight of the wearer, folded the mountains and the reference portion S P output state of the second sheet 3 folded partitioned region part a MF and is separated, the pressure When hooked, the second sheet 3 in the folded state can be caused to function so that the reference portion SP and the mountain fold division region portion AMF are in contact with each other. As a result, it is possible to achieve an appropriate fit according to the wearer's movement.
　さらに、前記基準部ＳPと、前記山折り区分領域部ＡMFとが、平面視にて、軽失禁パッド１の製品中央部に存在するように配置されていることで、着用者の体重などの圧力が掛かったときに、折り畳まれた状態のセカンドシート３の前記基準部ＳPと前記山折り区分領域部ＡMFとが接触し、前記製品中央部において、前記セカンドシート３と前記吸収体４との間に大きな空隙部が形成されることがないため、着用者から排出された尿などの体液を前記基準部ＳP及び前記山折り区分領域部ＡMFを介して、迅速且つ効率的に吸収体４に吸収させることができる。 Furthermore, with the reference portion S P, and the mountain fold division area portion A MF is, in plan view, that are arranged to present in the product central portion of the light incontinence pad 1, the wearer's weight, etc. when the pressure of applied, folded the mountains and the reference portion S P output state of the second sheet 3 folded in contact with partitioned region portion a MF, in the product central portion, the absorbent body and the second sheet 3 since no large voids formed between the 4, body fluids such as urine discharged from the wearer through the reference portion S P and the mountain fold division area unit a MF, rapid and efficient Can be absorbed by the absorber 4.
　本実施形態において、前記第１方向Ｄ1は、平面視にて軽失禁パッド１（吸収性物品）の長手方向ＤLに一致し、セカンドシート３は、軽失禁パッド１の長手方向ＤLに沿った１回の山折りによって折り畳まれているため、前記長手方向ＤLの両側に位置する腿周り部ＰTから伝わる着用者の腿の動きや股間部の動きに対して、折り畳まれたセカンドシート３が展開し易い状態、すなわち、前記セカンドシート３の前記基準部ＳPと前記山折り区分領域部ＡMFとが離間し易い状態となるので、着用者の動作に応じた適度なフィット性をより実現し易くなる。 In the present embodiment, the first direction D 1 coincides with the longitudinal direction D L of the light incontinence pad 1 (absorbent article) in plan view, and the second sheet 3 extends in the longitudinal direction D L of the light incontinence pad 1. 2nd folded against the movement of the thigh and the crotch of the wearer transmitted from the thigh circumference PT located on both sides of the longitudinal direction D L because it is folded by one mountain fold along sheet 3 expands easily state, i.e., the so said reference portion S P output second sheet 3 and the mountain fold division area portion a MF is spaced state easy, moderate fit in accordance with the motions of the wearer It becomes easier to realize.
　また、伸長された状態のセカンドシート３の第２方向Ｄ2における両端部ＥS、Ｅ1は、セカンドシート３が折り畳まれた状態において、吸収性物品の厚さ方向に重ならないことが好ましく、さらに、前記第１領域部Ａ1側の端部Ｅ1が、平面視にて前記基準部ＳPの下方に位置するように（すなわち、平面視にて前記基準部ＳPのみが目視できるように）、前記第１領域部Ａ1の第２方向Ｄ2における長さＬ1が前記基準部ＳPの第２方向Ｄ2における長さＬSよりも短かいことが特に好ましい。セカンドシート３の前記両端部ＥS、Ｅ1が、セカンドシート３が折り畳まれた状態において厚さ方向に重ならない場合は、着用者の動作に伴って吸収性物品に幅方向の圧力が掛かった際に、前記基準部ＳPと前記山折り区分領域部ＡMFとが、互いに離間する方向に凸状に変形し易くなり（特に、前記第２方向Ｄ2における長さの長い方が、より凸状に変形し易くなり）、前記基準部ＳPと前記山折り区分領域部ＡMFとをより離間させ易くすることができ、結果的に良好なフィット性を得ることができる。さらに、前記基準部ＳPの第２方向Ｄ2における長さＬSが前記第１領域部Ａ1の第２方向Ｄ2における長さＬ1よりも長い場合は、前記基準部ＳPが有利に凸状に変形し易くなるので、トップシートを裏面側からより的確に押圧することができ、結果的に優れたフィット性を得ることができる。なお、本明細書において、「伸長された状態のセカンドシート３の第２方向Ｄ2における両端部ＥS、Ｅ1は、セカンドシート３が折り畳まれた状態において、吸収性物品の厚さ方向に重ならない」とは、前記両端部が完全には重ならない状態を指し、例えば、前記両端部がそれぞれ直線状である場合は、それぞれの端部が吸収性物品の厚さ方向において同一直線上に存在しない状態を指す。 Moreover, it is preferable that both ends E S and E 1 in the second direction D 2 of the extended second sheet 3 do not overlap in the thickness direction of the absorbent article when the second sheet 3 is folded. further, the end E 1 of the first area portion a 1 side, so as to be positioned below the reference portion S P in plan view (i.e., so that only the reference section S P in plan view is visible In addition, it is particularly preferable that the length L 1 of the first region A 1 in the second direction D 2 is shorter than the length L S of the reference portion SP in the second direction D 2 . When the both ends E S and E 1 of the second sheet 3 do not overlap in the thickness direction when the second sheet 3 is folded, pressure in the width direction is applied to the absorbent article in accordance with the wearer's movement. when, with the reference portion S P and the mountain fold division area portion a MF is easily deformed in a convex shape in a direction away from each other (in particular, it is longer in length in the second direction D 2, more easily deformed in a convex shape), the reference section S P and the mountain fold division area portion a MF and can the be more readily moved away, can be obtained resulting in better fit. Further, when the length L S of the reference portion S P in the second direction D 2 is longer than the length L 1 of the first region A 1 in the second direction D 2 , the reference portion S P is advantageous. Therefore, the top sheet can be more accurately pressed from the back side, and as a result, excellent fit can be obtained. In the present specification, “both ends E S and E 1 in the second direction D 2 of the stretched second sheet 3 are in the thickness direction of the absorbent article when the second sheet 3 is folded. `` Does not overlap '' refers to a state in which the both end portions do not completely overlap. For example, when the both end portions are each linear, the respective end portions are on the same straight line in the thickness direction of the absorbent article. It refers to a state that does not exist.
　本実施形態において、セカンドシート３は、前記第１方向Ｄ1に延びる１本の山折り線ＬMFに沿って山折りされて折り畳まれているが、本発明におけるセカンドシートは、このような形態に限定されない。図６は、本発明の吸収性物品におけるセカンドシートの概要を示す伸長された状態の平面図である。図６に示すように、セカンドシート３は、折り畳まれた状態においてトップシート側に位置し、平面視にて互いに直交する第１方向Ｄ1及び第２方向Ｄ2を有する基準部Ｓpと、伸長された状態において前記基準部Ｓpの前記第２方向Ｄ2における各端部からそれぞれ延在する第１領域部Ａ1及び第２領域部Ａ2のうちの少なくとも一方を含み、前記第１領域部Ａ1及び第２領域部Ａ2のうちの少なくとも一方の領域部は、伸長された状態のセカンドシート３において、第１の面Ｓ1を基準としてセカンドシート３を山折りするための折線であって、前記第１方向Ｄ1に延びるｐ本（ｐは、１以上の整数である。）の山折り線ＬMFと、前記第１の面Ｓ1を基準としてセカンドシート３を谷折りするための折線であって、前記第１方向Ｄ1に延びるｑ本（ｑは、０以上の整数である。）の谷折り線ＬVFとを有し、前記ｐ本の山折り線ＬMFのうちの１本が、前記第１領域部Ａ1及び前記第２領域部Ａ2のそれぞれの第２方向Ｄ2における両端部のうちの基準部ＳP側の端部に位置するように構成されている。 In the present embodiment, the second sheet 3, the first is along one of the mountain fold lines L MF extending in a direction D 1 being folded is folded mountain second sheet in the present invention, such forms It is not limited to. FIG. 6 is a plan view of the stretched state showing the outline of the second sheet in the absorbent article of the present invention. As shown in FIG. 6, the second sheet 3, a reference section S p with folded positioned on the top sheet side in the state, the first direction D 1 and the second direction D 2 perpendicular to each other in plan view, in extended state comprises at least one of said reference portion S first area portion extending from each end portion in the second direction D 2 of the p a 1 and the second region a 2, the first At least one of the area part A 1 and the second area part A 2 is a folding line for folding the second sheet 3 on the basis of the first surface S 1 in the extended second sheet 3. a is, p present extending in the first direction D 1 (p is 1 or more is an integer.) valley fold and mountain fold line L MF of the second sheet 3 as the first reference surface S 1 a polygonal line for, q present extending in the first direction D 1 q has a valley-fold line L VF of an integer of 0 or more.), one is the first domain area A 1 and the second region of the crest-folding line L MF of the p present and it is configured so as to be positioned at an end portion of the reference portion S P side of the both end portions of each of the second direction D 2 parts a 2.
　そして、セカンドシート３は、前記基準部ＳPと、前記第１領域部Ａ1及び第２領域部Ａ2のうちの少なくとも一方の領域部において前記山折り線ＬMFの前記領域部が延在する方向側に隣接する山折り区分領域部ＡMFの少なくとも１つとが、それぞれ、平面視にて、吸収性物品の長手方向ＤLに延びる中央軸線ＣLを幅方向ＤWに跨って延在すると共に、吸収性物品の幅方向ＤWに延びる中央軸線ＣWを長手方向ＤLに跨って延在するように（すなわち、少なくとも製品中央部に存在するように）折り畳まれて、吸収性物品のトップシート及び吸収体の間に配置される。なお、図６に示すように、本明細書において、山折り区分領域部ＡMFは、前記第１領域部Ａ1及び前記第２領域部Ａ2において前記山折り線ＬMFの前記第１領域部Ａ1及び前記第２領域部Ａ2が延在する方向側に隣接する領域であって、当該山折り線ＬMFから、次の折線又は折線がない場合はセカンドシートの端部までの領域を意味する。 The second sheet 3, and the reference section S P, wherein the area portion of the mountain fold lines L MF at least one region portion of the first region portion A 1 and the second region A 2 is extended extending at least one of convex fold division area unit a MF adjacent in the direction side, respectively, over in plan view, the central axis C L extending in the longitudinal direction D L of the absorbent article in the width direction D W to At the same time, the absorbent article is folded so as to extend across the longitudinal direction D L of the central axis C W extending in the width direction D W of the absorbent article (that is, at least in the center of the product). Between the top sheet and the absorbent body. Incidentally, as shown in FIG. 6, in the present specification, the mountain fold division area unit A MF, the first region of the convex fold L MF in the first region portion A 1 and the second region A 2 a region where part a 1 and the second region a 2 is adjacent to direction extending regions from the mountain-fold line L MF, if there is no next fold line, or fold lines to the end of the second sheet Means.
　上述のようにして折り畳まれたセカンドシート３は、山折り及び任意の谷折りによって形成された山折り部ＰMF及び任意の谷折り部ＰVFの弾性作用により前記基準部ＳPが押し上げられて、前記トップシートを裏面側から押圧することができる。このトップシートを押圧する力は、従来の弾性伸縮部材を用いた場合よりも弱い力となるため、着用者の体重などの圧力が掛かっていないときは、前記基準部ＳPと、前記第１領域部及び第２領域部において各折線によって区分される複数の区分領域部とが離間し、前記圧力が掛かったときは、前記基準部ＳPと前記複数の区分領域部とが接触するようにセカンドシート３を機能させることができ、着用者の動作に応じた適度なフィット性を実現することができる。さらに、前記基準部ＳPと、前記山折り区分領域部の少なくとも１つとが、製品中央部に配置されることで、着用者の体重などの圧力が掛かったときに、前記基準部ＳPと前記複数の区分領域部とが接触し、前記製品中央部において、前記セカンドシート３と前記吸収体４との間に大きな空隙部が形成されることがないため、着用者から排出された尿などの体液を前記基準部ＳP及び少なくとも１つの山折り区分領域部ＡMFを介して、迅速且つ効率的に吸収体４に吸収させることができる。 A second sheet 3 folded as described above, in mountain fold and any of the reference portion S P by the elastic action of the formed convex fold portion P MF and any valley fold portions P VF by valley fold is pushed up The top sheet can be pressed from the back side. Since the force that presses the top sheet is weaker than when a conventional elastic elastic member is used, when the pressure such as the weight of the wearer is not applied, the reference portion Sp and the first When the area is separated from the plurality of segmented regions separated by the broken lines in the region and the second region, and the pressure is applied, the reference portion SP and the plurality of segmented regions are brought into contact with each other. The second seat 3 can be made to function, and an appropriate fit according to the wearer's movement can be realized. Further, when the reference portion SP and at least one of the mountain fold division region portions are arranged in the center of the product, when the pressure such as the weight of the wearer is applied, the reference portion SP and Urine discharged from the wearer because the plurality of divided region portions are in contact with each other, and a large gap is not formed between the second sheet 3 and the absorber 4 in the product central portion. of body fluids through the reference portion S P and at least one mountain fold division area unit a MF, it can be absorbed rapidly and efficiently into the absorber 4.
　また、本発明におけるセカンドシートは、該セカンドシートの前記第２方向における各端部（すなわち、セカンドシート３が第２領域部Ａ2を有していない場合は、図４などにおける基準部ＳP側の端部ＥSと第１領域部Ａ1側の端部Ｅ1、セカンドシート３が第２領域部Ａ2を有している場合は、図６における第２領域部Ａ2側の端部Ｅ2と第１領域部Ａ1側の端部Ｅ1）、山折り部ＰMF及び谷折り部ＰVFが、いずれも厚さ方向に重ならないように折り畳まれていることが好ましく、さらに、平面視にて前記基準部ＳPのみが見えるように折り畳まれていることが特に好ましい。セカンドシートの前記第２方向における各端部、山折り部ＰMF及び谷折り部ＰVFが厚さ方向に重ならない場合は、着用者の動作に伴って吸収性物品に幅方向の圧力が掛かった際に、前記基準部ＳPと、前記山折り区分領域部ＡMF又は前記谷折り区分領域部ＡVFとが、互いに離間する方向に凸状に変形し易くなり（特に、前記第２方向Ｄ2における長さの長いものが、より凸状に変形し易くなり）、前記基準部ＳPと前記山折り区分領域部ＡMF又は前記谷折り区分領域部ＡVFとをより離間させ易くすることができ、結果的に良好なフィット性を得ることができる。さらに、平面視にて前記基準部ＳPのみが見えるように折り畳まれている場合（すなわち、前記基準部ＳPの第２方向Ｄ2における長さが、前記山折り区分領域部ＡMF又は前記谷折り区分領域部ＡVFの第２方向Ｄ2における長さよりも長い場合）は、前記基準部ＳPが有利に凸状に変形し易くなるので、トップシートを裏面側からより的確に押圧することができ、結果的に優れたフィット性を得ることができる。なお、本明細書において、谷折り区分領域部ＡVFは、前記第１領域部Ａ1及び前記第２領域部Ａ2において前記谷折り線ＬVFの前記第１領域部Ａ1及び前記第２領域部Ａ2が延在する方向側に隣接する領域であって、当該谷折り線ＬVFから、次の折線又は折線がない場合はセカンドシートの端部までの領域を意味する。 Further, the second sheet according to the present invention has each end portion in the second direction of the second sheet (that is, when the second sheet 3 does not have the second region portion A 2 , the reference portion S P in FIG. 4 or the like). side end E S and the end portion of the first domain area a 1 side E 1, if the second sheet 3 has a second region a 2, the end of the second region a 2 side in FIG. 6 It is preferable that the portion E 2 and the first region portion A 1 side end portion E 1 ), the mountain fold portion P MF and the valley fold portion P VF are all folded so as not to overlap in the thickness direction. it is particularly preferred that the folded such that only the reference section S P in plan view is visible. Each end in the second direction of the second sheet, when the mountain-folded portion P MF and valley fold portions P VF do not overlap in the thickness direction, pressure is applied in the width direction in the absorbent article in accordance with the motions of the wearer when the, with the reference portion S P, and the mountain fold division area unit a MF or the valley fold division area portion a VF is easily deformed in a convex shape in a direction away from each other (in particular, the second direction the longest length in D 2 are liable to deform more convex) will be more easily moved away and the reference portion S P and the mountain fold division area unit a MF or the valley fold division area unit a VF As a result, good fit can be obtained. Furthermore, if it is folded so that only the reference section S P in plan view is visible (i.e., second length in direction D 2 of the reference portion S P is, the mountain fold division area unit A MF or the valley fold division is longer than the length in the second direction D 2 of the region part a VF), since the reference portion S P is easily deformed advantageously convex, to press more precisely the top sheet from the back side As a result, excellent fit can be obtained. In this specification, a valley fold division area unit A VF, the first region portion A 1 and the second the at area part A 2 valley folding line L of the first region of the VF A 1 and the second a region adjacent to the direction of the area portion a 2 extends from the valley-folding line L VF, if there is no next fold line or fold line refers to a region to the end of the second sheet.
　以下に、本発明の吸収性物品に用いられるセカンドシートのいくつかの実施形態について、それぞれ図面を参照しながら具体的に説明する。 Hereinafter, several embodiments of the second sheet used in the absorbent article of the present invention will be specifically described with reference to the drawings.
　図７に示す折り畳まれた状態のセカンドシート３は、１本の山折り線ＬMF及び１本の谷折り線ＬVFに沿った１回の山折り及び１回の谷折りによって折り畳まれている。この折り畳まれた状態のセカンドシート３は、図８に示すように、伸長された状態において基準部ＳPと第１領域部Ａ1とを有し、さらに、前記第１領域部Ａ1は、該第１領域部Ａ1の第２方向Ｄ2における基準部ＳP側の端部に位置し且つ前記第１の方向Ｄ1に延びる１本の山折り線ＬMFと、該山折り線ＬMF及び前記第１領域部Ａ1の第２方向Ｄ2における基準部ＳP側とは反対側の端部Ｅ1の間の領域に位置し且つ前記第１の方向Ｄ1に延びる１本の谷折り線ＬVFとを有している。 A second sheet of a folded state shown in FIG. 7 3 is folded by a single pile along one convex fold L MF and one valley fold lines L VF folding and one valley fold . Second sheet 3 of the folded state, as shown in FIG. 8, and a reference section S P and the first region portion A 1 in extended condition, further, the first region portion A 1 is one and mountain fold line L MF of extending to the first area part a reference section S P located at the end portion of the side and the first direction D 1 in the second direction D 2 of 1,該山fold line L MF and in the second direction D 2 of the first region portion a 1 reference portion S P side and one extending on the opposite side of the end portion direction D 1 located in the region and the first between E 1 is and a valley-fold line L VF.
　そして、図７に示す折り畳まれた状態のセカンドシート３は、前記基準部ＳPと、前記山折り線ＬMF及び前記谷折り線ＬVFの間の山折り区分領域部ＡMFと、前記谷折り線ＬVF及び前記端部Ｅ1の間の谷折り区分領域ＡVFとが、平面視にて、吸収性物品の長手方向ＤLに延びる中央軸線ＣLを幅方向ＤWに跨って延在すると共に、吸収性物品の幅方向ＤWに延びる中央軸線ＣWを長手方向ＤLに跨って延在する（すなわち、少なくとも製品中央部に存在する）ように、前記吸収性物品内に配置されている。 Then, the second sheet 3 of the folded state shown in FIG. 7, with the reference portion S P, and mountain fold division area portion A MF between the crest-folding lines L MF and the valley-folding lines L VF, the valleys The fold line L VF and the valley fold section area A VF between the end portions E 1 extend across the center axis C L extending in the longitudinal direction D L of the absorbent article across the width direction D W in plan view. And disposed in the absorbent article so as to extend across the longitudinal direction D L (that is, at least in the center of the product) with a central axis C W extending in the width direction D W of the absorbent article. Has been.
　この実施形態における折り畳まれた状態のセカンドシート３は、山折り及び谷折りによって形成された山折り部ＰMF及び谷折り部ＰVFの２箇所の位置の弾性作用により、前記基準部ＳPを略垂直方向に安定的に押し上げることができるため、前記トップシートを裏面側から押圧しつつ、適度なフィット性を実現することができる。さらに、前記基準部ＳPと、前記山折り区分領域部ＡMFと、前記谷折り区分領域ＡVFとが、平面視にて、吸収性物品の製品中央部に配置されるので、当該製品中央部において、前記セカンドシート３と前記吸収体４との間に大きな空隙部が形成されず、着用者から排出された尿などの体液を前記基準部ＳP、前記山折り区分領域部ＡMF及び前記谷折り区分領域ＡVFを介して、迅速且つ効率的に吸収体４に吸収させることができる。 The second sheet 3 in a state of being folded in this embodiment, the elastic action of the two positions of the mountain fold and mountain fold portion P MF formed by a valley fold and valley fold portions P VF, the reference portion S P Since it can be stably pushed up in a substantially vertical direction, an appropriate fit can be achieved while pressing the top sheet from the back side. Furthermore, with the reference portion S P, and the mountain fold division area unit A MF, is said valley-fold division area A VF, in plan view, since it is located in the product central portion of the absorbent article, the product central In the portion, a large gap is not formed between the second sheet 3 and the absorber 4, and body fluid such as urine discharged from a wearer is used as the reference portion S P , the mountain fold division region portion A MF, and through the valley fold division area a VF, it can be absorbed rapidly and efficiently into the absorber 4.
　図９に示す折り畳まれた状態のセカンドシート３は、２本の山折り線ＬMF1、ＬMF2及び１本の谷折り線ＬVFに沿った、２回の山折り及び１回の谷折りによって折り畳まれている。この折り畳まれた状態のセカンドシート３は、図１０に示すように、伸長された状態において基準部ＳPと第１領域部Ａ1とを有し、さらに、前記第１領域部Ａ1は、該第１領域部Ａ1の第２方向Ｄ2における基準部ＳP側の端部に位置し且つ前記第１の方向Ｄ1に延びる１本の第１山折り線ＬMF1と、該第１山折り線ＬMF1及び前記第１領域部Ａ1の第２方向Ｄ2における基準部ＳP側とは反対側の端部Ｅ1の間の領域において、前記第１領域部Ａ1が延在する方向に向かって順に、前記第１の方向Ｄ1に延びる１本の第２山折り線ＬMF2と、前記第１の方向Ｄ1に延びる１本の谷折り線ＬVFとを有している。 The second sheet 3 in the folded state shown in FIG. 9 is obtained by two mountain folds and one valley fold along two mountain fold lines L MF1 and L MF2 and one valley fold line L VF . It is folded. Second sheet 3 of the folded state, as shown in FIG. 10, and a reference section S P and the first region portion A 1 in extended condition, further, the first region portion A 1 is a first area portion a 1 in the second direction D 2 reference section S P located at the end portion of the side and the first one of the first mountain folding line L MF1 extending in a direction D 1 in, first in the region between the reference portion S P side of the mountain fold lines L MF1 and the second direction D 2 of the first region portion a 1 of the opposite end E 1, the first region portion a 1 is extended sequentially in the direction of, the first direction D 1 present second mountain fold line extending in the 1 L MF2, have one and the valley fold line L VF extending in the first direction D 1 Yes.
　そして、図９に示す折り畳まれた状態のセカンドシート３は、前記基準部ＳPと、前記第２山折り線ＬMF2及び前記端部Ｅ1の間の第２山折り区分領域部ＡMF2とが、平面視にて、吸収性物品の長手方向ＤLに延びる中央軸線ＣLを幅方向ＤWに跨って延在すると共に、吸収性物品の幅方向ＤWに延びる中央軸線ＣWを長手方向ＤLに跨って延在する（すなわち、少なくとも製品中央部に存在する）ように、前記吸収性物品内に配置されている。 Then, the second sheet 3 of a folded state shown in FIG. 9, with the reference portion S P, and the second mountain fold division area portion A MF2 between the second mountain fold line L MF2 and the end E 1 longitudinal but in plan view, as well as extending across the central axis C L extending in the longitudinal direction D L of the absorbent article in the width direction D W, the central axis C W extending in the width direction D W of the absorbent article extending across the direction D L (i.e., at least present in the product central portion) is arranged such, the absorbent article.
　この実施形態における折り畳まれた状態のセカンドシート３は、前記２回の山折り及び１回の谷折りによって形成された第１山折り部ＰMF1、第２山折り部ＰMF2及び谷折り部ＰVFの弾性作用により、前記基準部ＳPを上述の実施形態のものよりも比較的強く押し上げることができるため、適度なフィット状態を維持しつつ、前記トップシートを裏面側から比較的強く押圧することができる。さらに、前記基準部ＳPと、前記第２山折り区分領域部ＡMF2とが、平面視にて、吸収性物品の製品中央部に配置されるので、当該製品中央部において、前記セカンドシート３と前記吸収体４との間に大きな空隙部が形成されず、着用者から排出される尿などの体液を前記基準部ＳP及び前記第２山折り区分領域部ＡMF2を介して、迅速に吸収体４に吸収させることができる。 The second sheet 3 in the folded state in this embodiment includes a first mountain fold portion P MF1 , a second mountain fold portion P MF2, and a valley fold portion P formed by the two mountain folds and the one valley fold. the elastic action of VF, for the reference portion S P can be pushed relatively stronger than that of the above embodiment, while maintaining an appropriate fit state, relatively strongly presses the top sheet from the back side be able to. Furthermore, with the reference portion S P, and the second mountain fold division area portion A MF2 is, in plan view, since it is located in the product central portion of the absorbent article, in the product central portion, the second sheet 3 And a large gap is not formed between the absorbent body 4 and the body fluid such as urine discharged from the wearer through the reference portion SP and the second mountain fold section region portion AMF2. It can be made to absorb in the absorber 4.
　なお、本実施形態における折り畳まれた状態のセカンドシート３は、前記第１山折り線ＬMF1及び前記谷折り線ＬVFの間の第１山折り区分領域部ＡMF1と、前記谷折り線ＬVF及び前記第２山折り線ＬMF2の間の谷折り区分領域ＡVFとは、前記製品中央部に存在するように配置されていないが、これらの領域は前記製品中央部に存在するように配置されていてもよく、このように配置されていると、トップシート２と吸収体４との間に介在するセカンドシート３の枚数が増大するため、着用者から排出された体液を、より迅速且つ効率的に吸収体４に吸収させることができる。 Incidentally, the second sheet 3 of the folded state in the present embodiment, the first mountain folding division area portion A MF1 between the first mountain folding line L MF1 and the valley-folding lines L VF, the valley fold lines L The valley fold section area A VF between VF and the second mountain fold line L MF2 is not arranged so as to exist in the center of the product, but these areas exist in the center of the product. Since the number of the second sheets 3 interposed between the top sheet 2 and the absorber 4 is increased, the body fluid discharged from the wearer can be more quickly discharged. And it can be made to absorb into the absorber 4 efficiently.
　図１１に示す折り畳まれた状態のセカンドシート３は、基準部ＳPを挟む２本の山折り線ＬMF、Ｌ'MF及び２本の谷折り線ＬVF、Ｌ'VFに沿った、２回の山折り及び２回の谷折りによって折り畳まれている。この折り畳まれた状態のセカンドシート３は、図１２に示すように、伸長された状態において基準部ＳPと第１領域部Ａ1と第２領域部Ａ2とを有し、さらに、前記第１領域部Ａ1は、該第１領域部Ａ1の第２方向Ｄ2における基準部ＳP側の端部に位置し且つ前記第１の方向Ｄ1に延びる１本の山折り線ＬMFと、該山折り線ＬMF及び前記第１領域部Ａ1の第２方向Ｄ2における基準部ＳP側とは反対側の端部Ｅ1の間の領域に位置し且つ前記第１の方向Ｄ1に延びる１本の谷折り線ＬVFと有し、前記第２領域部Ａ2は、該第２領域部Ａ2の第２方向Ｄ2における基準部ＳP側の端部に位置し且つ前記第１の方向Ｄ1に延びる１本の山折り線Ｌ'MFと、該山折り線Ｌ'MF及び前記第２領域部Ａ2の第２方向Ｄ2における基準部ＳP側とは反対側の端部Ｅ2の間の領域に位置し且つ前記第１の方向Ｄ1に延びる１本の谷折り線Ｌ'VFとを有している。 Second sheet 3 of a folded state shown in FIG. 11, two convex fold sandwiching the reference portion S P L MF, L 'MF and two valley folding lines L VF, L' along VF, 2 It is folded by two mountain folds and two valley folds. As shown in FIG. 12, the second sheet 3 in the folded state has a reference portion SP , a first region portion A 1, and a second region portion A 2 in the stretched state. 1 area unit a 1 is a single that and located at the end portion of the reference portion S P side extending in the first direction D 1 in the second direction D 2 of the first region portion a 1 convex fold L MF When located in the region between the ends E 1 opposite to the reference portion S P side in該山fold lines L MF and the second direction D 2 of the first region portion a 1 and the first direction It includes a single valley fold lines L VF extending D 1, the second region a 2 is located at the end of the reference portion S P side in the second direction D 2 of the second region portion a 2 and wherein 'and MF,該山fold line L' first direction D 1 present mountain fold lines L extending in the first and the reference portion S P side in MF and the second direction D 2 of the second region a 2 is Between the opposite end E 2 One valley fold line L ′ VF is located in the region and extends in the first direction D 1 .
　そして、図１１に示す折り畳まれた状態のセカンドシート３は、前記基準部ＳPと、前記第１領域Ａ1の山折り線ＬMF及び前記谷折り線ＬVFの間の山折り区分領域部ＡMFとが、平面視にて、吸収性物品の長手方向ＤLに延びる中央軸線ＣLを幅方向ＤWに跨って延在すると共に、吸収性物品の幅方向ＤWに延びる中央軸線ＣWを長手方向ＤLに跨って延在する（すなわち、少なくとも製品中央部に存在する）ように、前記吸収性物品内に配置されている。 Then, the second sheet 3 of a folded state shown in FIG. 11, with the reference portion S P, the mountain fold division area portion between the first region convex fold of A 1 L MF and the valley-folding lines L VF and the a MF, in plan view, as well as extending across the central axis C L extending in the longitudinal direction D L of the absorbent article in the width direction D W, the central axis extending in the width direction D W of the absorbent article C W and extending across the longitudinal direction D L (i.e., at least present in the product central portion) is arranged such, the absorbent article.
　この実施形態における折り畳まれた状態のセカンドシート３は、前記２回の山折り及び２回の谷折りによって形成された第１領域Ａ1の山折り部ＰMF、前記第２領域Ａ2の山折り部Ｐ'MF、前記第１領域Ａ1の谷折り部ＰVF及び前記第２領域部Ａ2の谷折り部Ｐ'VFの４箇所の弾性作用により、前記基準部ＳPをより安定して強く押し上げることができると共に、前記弾性作用が４箇所の位置において発生することにより着用者の体重等の圧力の掛かり方に応じて、前記基準部ＳPと各山折り区分領域部とを部分的に離間及び接触させることができるため、より優れたフィット性を実現することができる。さらに、前記基準部ＳPと、前記第１領域部Ａ1の山折り区分領域部ＡMFとが、平面視にて、吸収性物品の製品中央部に配置されているので、当該製品中央部において、前記セカンドシート３と前記吸収体４との間に大きな空隙部が形成されず、着用者から排出された尿などの体液を前記基準部ＳP及び前記第１領域部Ａ1の山折り区分領域部ＡMFを介して、迅速且つ効率的に吸収体４に吸収させることができる。 The second sheet 3 in the folded state in this embodiment includes a mountain fold portion P MF of the first region A 1 and a mountain of the second region A 2 formed by the two mountain folds and the two valley folds. folding portion P 'MF, the first region a 1 of the valley-folded portion P VF and the second region a 2 of the valley folding portion P' by the elastic action of the four positions of the VF, more stable the reference portion S P The reference portion Sp and each mountain fold section region portion can be partially moved in accordance with how the pressure such as the weight of the wearer is applied by causing the elastic action to occur at four positions. Therefore, it is possible to achieve better fit. Furthermore, with the reference portion S P, and mountain fold division area portion A MF of the first region portion A 1 is, in plan view, because it is located in the product central portion of the absorbent article, the product central portion in the second sheet 3 and the large void portion is not formed between the absorber 4, mountain fold bodily fluids of the reference portion S P and the first region portion a 1 such as urine discharged from the wearer It can be made to absorb into the absorber 4 quickly and efficiently through the segmented region portion AMF .
　なお、本実施形態における折り畳まれた状態のセカンドシート３は、第２領域Ａ2の前記山折り線Ｌ'MFと前記谷折り線Ｌ'VFとの間の山折り区分領域部Ａ'MFは、前記製品中央部に存在するように配置されていないが、当該領域が前記製品中央部に存在するように配置されていてもよく（この場合、セカンドシート３は、前記第１領域部Ａ1と前記第２領域部Ａ2とが前記基準部ＳPの下側において折り重なるように折り畳まれるか、前記第１領域部Ａ1の谷折り部ＰVFと前記第２領域部Ａ2の谷折り部Ｐ’VFとが合致するように折り畳まれることになる。）、このように配置されていると、トップシート２と吸収体４との間に介在するセカンドシート３の枚数が増大するため、着用者から排出された体液をより迅速且つ効率的に吸収体４に吸収させることができる。 The second sheet 3 in the folded state in the present embodiment has a mountain fold section area A ′ MF between the mountain fold line L ′ MF and the valley fold line L ′ VF in the second area A 2. Although not arranged so as to exist in the center of the product, the area may be arranged so as to exist in the center of the product (in this case, the second sheet 3 is the first area A 1 and said one second region a 2 and are folded so fold at the lower side of the reference portion S P, valley fold and the first region portion a 1 of the valley-folded portion P VF of the second region a 2 Folded to match the part P ′ VF .), Since the number of the second sheets 3 interposed between the top sheet 2 and the absorbent body 4 increases in this way, The body fluid discharged from the wearer is absorbed into the absorbent body 4 more quickly and efficiently. Can.
　図１３に示す折り畳まれた状態のセカンドシート３は、２本の山折り線ＬMF1、ＬMF2に沿った、２回の山折りによって折り畳まれている。この折り畳まれた状態のセカンドシート３は、図１４に示すように、伸長された状態において基準部ＳPと第１領域部Ａ1とを有し、さらに、前記第１領域部Ａ1は、該第１領域部Ａ1の第２方向Ｄ2における基準部ＳP側の端部に位置し且つ前記第１の方向Ｄ1に延びる１本の第１山折り線ＬMF1と、該第１山折り線ＬMF1及び前記第１領域部Ａ1の第２方向Ｄ2における基準部ＳP側とは反対側の端部Ｅ1の間の領域に位置し且つ前記第１の方向Ｄ1に延びる１本の第２山折り線ＬMF2とを有している。 The folded second sheet 3 shown in FIG. 13 is folded by two mountain folds along two mountain fold lines L MF1 and L MF2 . Second sheet 3 of the folded state, as shown in FIG. 14, and a reference section S P and the first region portion A 1 in extended condition, further, the first region portion A 1 is a first area portion a 1 in the second direction D 2 reference section S P located at the end portion of the side and the first one of the first mountain folding line L MF1 extending in a direction D 1 in, first the mountain fold lines L MF1 and the reference section S opposite end direction D 1 located in the region and the first between E 1 and P side in the second direction D 2 of the first region portion a 1 One extending second fold line LMF2 is provided.
　そして、図１３に示す折り畳まれた状態のセカンドシート３は、前記基準部ＳPと、前記第１山折り線ＬMF1及び第２山折り区分領域部ＡMF2の間の第１山折り区分領域部ＡMF1と、前記第２山折り線ＬMF2及び前記端部Ｅ1の間の第２山折り区分領域部ＡMF2とが、平面視にて、吸収性物品の長手方向ＤLに延びる中央軸線ＣLを幅方向ＤWに跨って延在すると共に、吸収性物品の幅方向ＤWに延びる中央軸線ＣWを長手方向ＤLに跨って延在する（すなわち、少なくとも製品中央部に存在する）ように、前記吸収性物品内に配置されている。 Then, the second sheet 3 of the folded state shown in FIG. 13, with the reference portion S P, the first mountain folding partition region between the first mountain folding line L MF1 and the second mountain fold division area unit A MF2 central and part a MF1, a second mountain fold division area portion a MF2 between the second mountain fold line L MF2 and said end E 1 is, in plan view, extending in the longitudinal direction D L of the absorbent article the axis C L while extending across the width direction D W, the central axis C W extending in the width direction D W of the absorbent article extending across the longitudinal direction D L (i.e., present in at least the product central portion As is) in the absorbent article.
　この実施形態における折り畳まれた状態のセカンドシート３においても、前記２回の山折りによって形成された第１山折り部ＰMF1及び第２山折り部ＰMF2の弾性作用により前記基準部ＳPを押し上げて、適度なフィット状態を維持しつつ、前記トップシートを裏面側から確実に押圧することができる。さらに、前記基準部ＳPと、第１山折り区分領域部ＡMF1と、前記第２山折り区分領域部ＡMF2とが、平面視にて、吸収性物品の製品中央部に配置されるため、着用者から排出された尿などの体液を、前記製品中央部において、前記基準部ＳP、前記第１山折り区分領域部ＡMF1及び前記第２山折り区分領域部ＡMF2を介して、迅速且つ効率的に吸収体４に吸収させることができる。 Also in the second sheet 3 in a state of being folded in this embodiment, the reference portion S P by the elastic action of the first mountain folding portion P MF1 and the second mountain folding portion P MF2 formed by mountain fold of the two The top sheet can be pushed up from the back side with certainty while maintaining an appropriate fit state. Furthermore, with the reference portion S P, the first mountain folding division area unit A MF1, and the second mountain fold division area portion A MF2 is, because in plan view, are arranged in the product central portion of the absorbent article The body fluid such as urine discharged from the wearer is passed through the reference portion S P , the first mountain fold section area A MF1 and the second mountain fold section area A MF2 in the center of the product, It can be absorbed into the absorber 4 quickly and efficiently.
　次に、本発明の吸収性物品におけるセカンドシートの固定形態について、図面を参照しながら具体的に説明する。図１５は、本発明の別の実施形態である軽失禁パッドの伸長された状態の平面図であり、図１６は、図１５のXVI－XVI’線に沿った部分断面図である。
本発明に係る吸収性物品は、図１５に示すように、製品の長手方向ＤLにおいて、体液吸収領域ＴAと体液吸収領域以外の領域ＴB、ＴB’とを有している。ここで、「体液吸収領域」とは、吸収性物品を着用する際に、着用者の体液排泄位置に相当する領域を指し、吸収性物品の種類、具体的には、排尿や排便、経血などの排出される体液の種類、着用者の年齢や性別、着用者との接触領域、吸収体の構成などに応じて、適宜設定される領域である。なお、「体液吸収領域以外の領域」は、上記体液吸収領域以外の領域を指し、当該領域には、着用者から排出された体液を吸収しない領域、及び着用者の体液排泄位置に相当する領域ではないものの、着用者から排出された体液を吸収する領域が含まれる。 Next, the fixing form of the second sheet in the absorbent article of the present invention will be specifically described with reference to the drawings. 15 is a plan view of a light incontinence pad according to another embodiment of the present invention in an extended state, and FIG. 16 is a partial cross-sectional view taken along the line XVI-XVI ′ of FIG.
As shown in FIG. 15, the absorbent article according to the present invention has a body fluid absorption region T A and regions T B and T B ′ other than the body fluid absorption region in the longitudinal direction D L of the product. Here, the “body fluid absorption region” refers to a region corresponding to the body fluid excretion position of the wearer when wearing the absorbent article, and the type of the absorbent article, specifically, urination, defecation, menstrual blood This is a region that is appropriately set according to the type of body fluid to be discharged, the age and sex of the wearer, the contact region with the wearer, the configuration of the absorber, and the like. The “region other than the body fluid absorption region” refers to a region other than the body fluid absorption region, and the region includes a region that does not absorb body fluid discharged from the wearer and a region corresponding to the wearer's body fluid excretion position. Although it is not, the area | region which absorbs the bodily fluid discharged | emitted from the wearer is contained.
　本発明において、折り畳まれた状態のセカンドシートは、各折り部の弾性作用を効率よく利用し、且つ、吸収性物品の着用状態に応じた前記基準部と前記山折り区分領域部との離間及び接触の自由度を向上させるために、吸収性物品の少なくとも体液吸収領域ＴAにおいて、折り畳まれた状態のセカンドシートの対向する面同士が接合されていないことが望ましい。このようにして前記基準部と前記山折り区分領域部との離間及び接触の自由度が高く構成されていると、着用者が立ったり、歩いたり或いは座ったりする動作によって吸収性物品に掛かる圧力が変化しても、その圧力の変化に応じて、前記基準部と前記山折り区分領域部とが離間したり、接触したりすることのできる適用範囲が拡大し、更に着用者への良好なフィット性を実現することができる。 In the present invention, the second sheet in the folded state efficiently utilizes the elastic action of each folded portion, and the separation between the reference portion and the mountain fold section region portion according to the wearing state of the absorbent article and to improve the flexibility of the contact, at least in body fluid absorption region T a of the absorbent article, the surface facing each other second sheet folded state it is desirable that not bonded. In this way, when the degree of freedom of separation and contact between the reference portion and the mountain fold section region portion is high, the pressure applied to the absorbent article by the operation of the wearer standing, walking or sitting Even if the pressure changes, the application range in which the reference portion and the mountain fold section region portion can be separated from each other or come into contact with each other according to the change in the pressure is expanded, and the wearer is better. Fit can be realized.
　また、折り畳まれた状態のセカンドシートは、図１５及び図１６に示すように、軽失禁パッド１（吸収性物品）の体液吸収領域以外の領域ＴB、ＴB’において、折り畳まれた状態のセカンドシート３の対向する面同士が接合された接合部ＰBを有していてもよい。このような接合部を有することで、折り畳まれた状態のセカンドシートの体液吸収領域以外の領域においては、前記基準部と前記山折り区分領域部とが離間しないため、着用者の股間部へフィットさせる必要のない領域については、着用者の動作や着用状態等によって生じる吸収性物品への圧力の変化に拘わらず、着用者から排出された体液を吸収体に円滑に吸収させることができる。 Further, as shown in FIGS. 15 and 16, the second sheet in a folded state is in a folded state in regions T B and T B ′ other than the body fluid absorbing region of the light incontinence pad 1 (absorbent article). facing surfaces between the second sheet 3 may have a junction P B joined. By having such a joint portion, in the region other than the body fluid absorption region of the folded second seat, the reference portion and the mountain fold division region portion do not separate from each other, and therefore fit to the wearer's crotch portion. About the area | region which does not need to be made, the body fluid discharged | emitted from the wearer can be smoothly absorbed by an absorber irrespective of the change of the pressure to the absorbent article produced by a wearer's operation | movement, a wearing condition, etc.
　また、体液吸収領域以外の領域において、折り畳まれた状態のセカンドシートの対向する面同士を接合する手段としては、特に制限されず、例えば、ホットメルト等の接着剤、ヒートシール等の熱融着、エンボス等の熱圧着などの任意の接合手段を採用することができる。 In addition, in the region other than the body fluid absorption region, the means for joining the opposing surfaces of the second sheet in a folded state is not particularly limited, and for example, an adhesive such as hot melt, or heat fusion such as heat sealing Any joining means such as thermocompression bonding such as embossing can be employed.
　図１５及び図１６に示す軽失禁パッド１（吸収性物品）は、接合手段としてホットメルト等の接着剤６を採用した場合の実施形態である。この実施形態においては、接合部ＰBが、折り畳まれた状態のセカンドシートの対向する面の間のみに形成されており、セカンドシートの前記基準部の上を流れる体液の拡散を阻害しないため、着用者から排出された体液を広範囲の領域から円滑に前記吸収体４に吸収させることができる。 The light incontinence pad 1 (absorbent article) shown in FIGS. 15 and 16 is an embodiment in which an adhesive 6 such as hot melt is employed as a joining means. In this embodiment, the joint portion P B is formed only between the opposed surfaces of the second sheet in the folded state, and does not hinder diffusion of body fluid flowing over the reference portion of the second sheet. The body fluid discharged from the wearer can be smoothly absorbed by the absorber 4 from a wide area.
　図１７は、本発明の更に別の実施形態である軽失禁パッドの伸長された状態の平面図であり、図１８は、図１７のXVIII－XVIII’線に沿った部分断面図である。図１７及び図１８に示す軽失禁パッド１（吸収性物品）は、接合手段としてトップシート２側からのエンボスによる熱圧着部７を形成する手段を採用した場合の実施形態である。この実施形態においては、接合部ＰBが、トップシート２、セカンドシート３及び吸収体４に跨って形成されており、トップシート２、セカンドシート３及び吸収体４が一体化されて強固に固定されるため、着用者から排出された体液をより円滑に吸収体４に吸収させることができる。 FIG. 17 is a plan view of a light incontinence pad according to still another embodiment of the present invention in an extended state, and FIG. 18 is a partial cross-sectional view taken along line XVIII-XVIII ′ of FIG. The light incontinence pad 1 (absorbent article) shown in FIG. 17 and FIG. 18 is an embodiment when a means for forming a thermocompression bonding portion 7 by embossing from the top sheet 2 side is adopted as a joining means. In this embodiment, the joint portion P B is formed across the top sheet 2, the second sheet 3 and the absorber 4, and the top sheet 2, the second sheet 3 and the absorber 4 are integrated and firmly fixed. Therefore, the body fluid discharged from the wearer can be more smoothly absorbed by the absorbent body 4.
　次に、本発明において用いられるセカンドシートについて説明する。本発明において用いられるセカンドシートは、吸収性物品の分野において一般的に用いられている不織布などの液透過性シートであれば、特に制限なく用いることができるが、中でも、１～５デニールの繊維径を有する繊維によって形成された不織布等のシート状繊維構造体が特に好ましく用いられる。このシート状繊維構造体を構成する繊維の繊維径が１デニール未満であると、セカンドシートの剛性が不足して、折り畳まれた状態のセカンドシートが伸長された状態に戻ろうとする作用が弱いため、このようなセカンドシートを吸収性物品内に配置しても所期のフィット性が得られない虞がある。また、前記シート状繊維構造体を構成する繊維の繊維径が５デニールを超えると、セカンドシートの剛性が高くなり過ぎて、着用者に違和感や不快感を与える虞がある。 Next, the second sheet used in the present invention will be described. The second sheet used in the present invention can be used without particular limitation as long as it is a liquid-permeable sheet such as a non-woven fabric generally used in the field of absorbent articles, and among them, fibers of 1 to 5 denier are used. A sheet-like fiber structure such as a nonwoven fabric formed of fibers having a diameter is particularly preferably used. If the fiber diameter of the fiber constituting the sheet-like fiber structure is less than 1 denier, the second sheet is insufficient in rigidity, and the action of trying to return the folded second sheet to the expanded state is weak. Even if such a second sheet is disposed in the absorbent article, there is a possibility that the desired fit cannot be obtained. Moreover, when the fiber diameter of the fiber which comprises the said sheet-like fiber structure exceeds 5 denier, the rigidity of a 2nd sheet | seat will become high too much and there exists a possibility of giving a wearer a discomfort and discomfort.
　また、本発明において用いられるセカンドシートは、２層以上のシート状繊維構造体からなる積層構造を有していてもよい。セカンドシートを積層構造とすることで、シート状繊維構造体を構成する繊維の繊維径が１デニール未満などのような場合であっても、セカンドシートとして所定の剛性を確保することができると共に、各層の種類や積層数を変更することによって、セカンドシートの液透過性や剛性（或いは該剛性に伴うフィット性）を簡便に精度よく調節することができる。 Further, the second sheet used in the present invention may have a laminated structure composed of two or more sheet-like fiber structures. By making the second sheet a laminated structure, even if the fiber diameter of the fibers constituting the sheet-like fiber structure is less than 1 denier, etc., it is possible to ensure a predetermined rigidity as the second sheet, By changing the kind of each layer and the number of layers, the liquid permeability and rigidity (or fit property accompanying the rigidity) of the second sheet can be easily and accurately adjusted.
　セカンドシートに用いられるシート状繊維構造体の坪量は、特に制限されないが、液透過性やシートの剛性等の点から１０～６０ｇ／ｍ2が好ましく、１５～４５ｇ／ｍ2が更に好ましい。 The basis weight of the sheet-like fibrous structure used in the second sheet is not particularly limited but is preferably 10 ~ 60g / m 2 in terms of rigidity of the liquid permeability and the sheet, more preferably 15 ~ 45g / m 2.
　図１９は、本発明の更に別の実施形態である軽失禁パッドの伸長された状態の平面図であり、図２０は、図１９のXX－XX’線に沿った部分断面図である。本発明において用いられるセカンドシートは、図１９及び図２０に示すように、第１の面に複数の凸部８がドット状に形成され、第２の面は平坦に形成されている構造のもの（以下、「凸部付きセカンドシート」という。）を用いてもよい。前記凸部８の形状は、特に制限されず、図１９及び図２０に示すような半球状でも、円柱状や角柱状、截頭錘状等の任意の形状とすることができる。また、前記凸部８のドット状パターンは、各凸部が、平面視にて均一（すなわち、各凸部間の距離が一定）であっても、特定の領域に偏在するように（すなわち、特定の領域内の各凸部間の距離が短くなるように）形成されていてもよい。前記凸部付きセカンドシートの製造方法は、特に制限されず、本技術分野において公知の任意の製造方法を採用することができ、例えば、特開２０１４－００４４９０号公報に開示されている製造方法などを採用することができる。なお、本明細書において「平坦」とは、凹凸等の特定形状を付与する処理（例えば、エンボス加工や真空成形など）を施していない状態の平面を指し、例えば、不織布等のシート状繊維構造体の表面に、構成繊維に起因する微細な凹凸形状を有していても、上述の特定形状を付与する処理を施していなければ、当該シート状繊維構造体の表面は平坦であるとする。 FIG. 19 is a plan view of a light incontinence pad according to still another embodiment of the present invention in an extended state, and FIG. 20 is a partial cross-sectional view taken along the line XX-XX ′ in FIG. As shown in FIGS. 19 and 20, the second sheet used in the present invention has a structure in which a plurality of convex portions 8 are formed in a dot shape on the first surface and the second surface is formed flat. (Hereinafter, referred to as “second sheet with projections”) may be used. The shape of the convex portion 8 is not particularly limited, and may be any shape such as a columnar shape, a prismatic shape, a truncated pyramid shape, or the like, as shown in FIGS. In addition, the dot-like pattern of the protrusions 8 is arranged so that each protrusion is unevenly distributed in a specific region even when the protrusions are uniform in plan view (that is, the distance between the protrusions is constant) (that is, It may be formed (so that the distance between the convex portions in the specific region is short). The production method of the second sheet with projections is not particularly limited, and any production method known in the present technical field can be adopted. For example, the production method disclosed in JP-A-2014-004490, etc. Can be adopted. In the present specification, the term “flat” refers to a plane that has not been subjected to a treatment for imparting a specific shape such as unevenness (for example, embossing, vacuum forming, etc.). For example, a sheet-like fiber structure such as a nonwoven fabric Even if the surface of the body has a fine irregular shape due to the constituent fibers, the surface of the sheet-like fiber structure is assumed to be flat if the treatment for imparting the specific shape is not performed.
　図１９及び２０に示す軽失禁パッド１（吸収性物品）は、上述の凸部付きセカンドシート３’を用いた実施形態である。本実施形態において前記凸部付きセカンドシート３’は、複数の凸部８を有する第１の面を基準として、製品の長手方向ＤLと一致する方向の第１の方向Ｄ1に延びる１本の山折り線に沿って山折りされて折り畳まれており、その折り畳まれた状態で、トップシート２と吸収体４との間に配置されている。このようにして配置された折り畳まれた状態の前記凸部付きセカンドシート３’は、基準部ＳPのトップシート２に対向する面と、山折り区分領域部ＡMFの吸収体４に対向する面に、それぞれ複数の凸部８が位置している。 The light incontinence pad 1 (absorbent article) shown in FIGS. 19 and 20 is an embodiment using the above-described second sheet 3 ′ with projections. In the present embodiment, the second sheet 3 ′ with projections is one that extends in the first direction D 1 in the direction that coincides with the longitudinal direction D L of the product, with the first surface having the plurality of projections 8 as a reference. Are folded and folded along the mountain fold line, and are arranged between the top sheet 2 and the absorbent body 4 in the folded state. Thus the lug second sheet 3 of the deployed folded state 'includes a surface facing the top sheet 2 of the reference section S P, facing the absorbent body 4 of the convex fold division area unit A MF A plurality of convex portions 8 are located on the surface.
　前記凸部付きセカンドシート３’がこのように配置されていると、着用者の動作や着用状態等によって製品のトップシート２側から掛かる圧力が、前記凸部付きセカンドシート３’における基準部ＳPの複数の凸部８を介して山折り区分領域部ＡMFの複数の凸部８に伝達され、さらに、該山折り区分領域部ＡMFの各凸部８が、前記吸収体４の表面を局所的に押圧することにより、前記吸収体４の表面に複数の高密度部を形成することができる。そして、吸収体４の表面にこのような高密度部が形成されていると、当該高密度部において、前記トップシート２及び前記凸部付きセカンドシート３’内に残留する体液を積極的に引き込むことができ、また、着用者からの体液の排出速度が速いような場合であっても、前記高密度部以外の部分である低密度部において体液を一時的に貯留することができるため、着用者から排出された体液をより効率よく吸収体４に吸収させることができる。 When the convex second sheet 3 ′ is arranged in this manner, the pressure applied from the top sheet 2 side of the product depending on the wearer's movement or wearing state, etc., causes the reference part S in the convex second sheet 3 ′. is transmitted to the plurality of convex portions 8 of the convex fold division area portion a MF via a plurality of protrusions 8 of P, in addition, each convex portion 8 of該山folding division area portion a MF is, the surface of the absorbent body 4 A plurality of high-density portions can be formed on the surface of the absorbent body 4 by locally pressing. And when such a high-density part is formed in the surface of the absorber 4, the bodily fluid which remains in the said top sheet 2 and the 2nd sheet | seat 3 'with a convex part in the said high-density part is positively drawn in In addition, even when the body fluid discharge rate from the wearer is fast, the body fluid can be temporarily stored in the low-density portion other than the high-density portion. The body fluid discharged from the person can be absorbed by the absorber 4 more efficiently.
　本発明は、上述した各実施形態の軽失禁パッドのほかに、例えば、パンティーライナー、生理用ナプキン、使い捨ておむつ等の様々な吸収性物品に適用することができる。また、本発明の吸収性物品は、上述した実施形態に制限されることなく、本発明の目的、趣旨を逸脱しない範囲内において、適宜変更が可能である。 The present invention can be applied to various absorbent articles such as panty liners, sanitary napkins, disposable diapers, etc., in addition to the light incontinence pads of the above-described embodiments. Further, the absorbent article of the present invention is not limited to the above-described embodiment, and can be appropriately changed within the scope not departing from the object and spirit of the present invention.
　１　　軽失禁パッド
　２　　トップシート
　３　　セカンドシート
　４　　吸収体
　５　　バックシート
　６　　接着剤
　７　　エンボス部
　８　　凸部
　ＳP　　基準部
　Ａ1　　第１領域部
　Ａ2　　第２領域部
　ＡMF　　山折り区分領域部
　ＬMF　　山折り線
　ＬVF　　谷折り線
　ＰMF　　山折り部
　ＰVF　　谷折り部 DESCRIPTION OF SYMBOLS 1 Light incontinence pad 2 Top sheet 3 Second sheet 4 Absorber 5 Back sheet 6 Adhesive 7 Embossed part 8 Convex part SP Reference part A 1 1st area part A 2 2nd area part A MF Mountain fold division area part L MF Mountain fold line L VF valley fold line P MF mountain fold part P VF valley fold part

Claims (9)

  1. 　トップシート及び吸収体の間に位置する折り畳まれたセカンドシートを含む吸収性物品であって、
    　前記折り畳まれたセカンドシートは、伸長された状態において第１の面及び第２の面を有し、且つ、折り畳まれた状態において前記トップシート側に位置し、平面視にて互いに直交する第１方向及び第２方向を有する基準部と、伸長された状態において前記基準部の前記第２方向における各端部からそれぞれ延在する第１領域部及び第２領域部のうちの少なくとも一方とを含み、
    　前記第１領域部及び第２領域部のうちの少なくとも一方の領域部は、伸長された状態のセカンドシートにおいて、前記第１の面を基準としてセカンドシートを山折りするための折線であって、前記第１方向に延びるｐ本（ｐは、１以上の整数である。）の山折り線と、前記第１の面を基準としてセカンドシートを谷折りするための折線であって、前記第１方向に延びるｑ本（ｑは、０以上の整数である。）の谷折り線とを有し、前記ｐ本の山折り線のうちの１本が、前記第１領域部及び前記第２領域部のそれぞれの第２方向における両端部のうちの基準部側の端部に位置し、
    　前記折り畳まれたセカンドシートは、前記基準部と、伸長された状態のセカンドシートの前記第１領域部及び第２領域部のうちの少なくとも一方の領域部において前記山折り線の前記領域部が延在する方向側に隣接する山折り区分領域部の少なくとも１つとが、平面視にて、吸収性物品の長手方向に延びる中央軸線を幅方向に跨って延在すると共に、吸収性物品の幅方向に延びる中央軸線を長手方向に跨って延在する、
    前記吸収性物品。     An absorbent article comprising a folded second sheet positioned between the top sheet and the absorbent body,
    The folded second sheet has a first surface and a second surface in the extended state, and is positioned on the top sheet side in the folded state and is orthogonal to each other in plan view. A reference portion having a direction and a second direction, and at least one of a first region portion and a second region portion respectively extending from each end portion in the second direction of the reference portion in the extended state. ,
    At least one of the first region portion and the second region portion is a fold line for folding the second sheet on the basis of the first surface in the stretched second sheet, P number of fold lines (p is an integer of 1 or more) extending in the first direction, and a fold line for valley-folding a second sheet on the basis of the first surface, Q valley fold lines extending in the direction (q is an integer of 0 or more), and one of the p mountain fold lines is the first region portion and the second region. Located at the end of the reference part side of both ends in the second direction of each part,
    In the folded second sheet, the region portion of the mountain fold line extends in at least one region portion of the reference portion and the first region portion and the second region portion of the extended second sheet. At least one of the mountain fold section regions adjacent to the existing direction side extends in the width direction across the central axis extending in the longitudinal direction of the absorbent article in a plan view, and the width direction of the absorbent article Extending across the longitudinal direction of the central axis extending to
    The absorbent article.
  2. 　前記第１方向が、平面視にて吸収性物品の長手方向に一致する、請求項１に記載の吸収性物品。 The absorbent article according to claim 1, wherein the first direction coincides with the longitudinal direction of the absorbent article in plan view.
  3. 　前記折り畳まれたセカンドシートは、伸長された状態のセカンドシートの前記第２方向における両端部が吸収性物品の厚さ方向に重ならないように折り畳まれている、請求項１又は２に記載の吸収性物品。 The absorption according to claim 1 or 2, wherein the folded second sheet is folded so that both ends in the second direction of the extended second sheet do not overlap with the thickness direction of the absorbent article. Sex goods.
  4. 　前記折り畳まれたセカンドシートは、少なくとも吸収性物品の体液吸収領域において、折り畳まれた状態のセカンドシートの対向する面同士が互いに接合されていない、請求項１～３のいずれか一項に記載の吸収性物品。 The folded second sheet according to any one of claims 1 to 3, wherein the opposing surfaces of the folded second sheet are not joined to each other at least in the body fluid absorption region of the absorbent article. Absorbent article.
  5. 　前記折り畳まれたセカンドシートは、体液吸収領域以外の領域において、折り畳まれた状態のセカンドシートの対向する面同士が接合された接合部を有する、請求項４に記載の吸収性物品。 The absorbent article according to claim 4, wherein the folded second sheet has a joined portion in which the opposing surfaces of the folded second sheet are joined in a region other than the body fluid absorbing region.
  6. 　前記折り畳まれたセカンドシートは、前記第１領域部及び前記第２領域部のうちの前記第１領域部のみを含み、前記第１領域部は、山折り線と、谷折り線とをそれぞれ１本ずつ有する、請求項１～５のいずれか一項に記載の吸収性物品。 The folded second sheet includes only the first region portion of the first region portion and the second region portion, and the first region portion includes a mountain fold line and a valley fold line. The absorbent article according to any one of claims 1 to 5, wherein the absorbent article has one each.
  7. 　前記折り畳まれたセカンドシートは、前記第１領域部及び前記第２領域部の両方を含み、前記第１領域部及び前記第２領域部の各々は、山折り線と谷折り線をそれぞれ１本ずつ有する、請求項１～５のいずれか一項に記載の吸収性物品。 The folded second sheet includes both the first region portion and the second region portion, and each of the first region portion and the second region portion has one mountain fold line and one valley fold line. The absorbent article according to any one of claims 1 to 5, wherein
  8. 　前記折り畳まれたセカンドシートは、伸長された状態における前記第１の面及び前記第２の面のうちのいずれか一方の面に複数の凸部を有し、他方の面は平坦である、請求項１～７のいずれか一項に記載の吸収性物品。 The folded second sheet has a plurality of convex portions on either one of the first surface and the second surface in an extended state, and the other surface is flat. Item 8. The absorbent article according to any one of Items 1 to 7.
  9. 　前記複数の凸部は、前記第１の面に有する、請求項８に記載の吸収性物品。 The absorbent article according to claim 8, wherein the plurality of convex portions are provided on the first surface.
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JP2004229766A (en) * 2003-01-29 2004-08-19 Uni Charm Corp Absorbent article and method of manufacturing the same
JP2007135941A (en) * 2005-11-18 2007-06-07 Uni Charm Corp Absorbent article
JP2008025079A (en) * 2006-06-23 2008-02-07 Uni Charm Corp Nonwoven fabric
WO2008149771A1 (en) * 2007-05-30 2008-12-11 Uni-Charm Corporation Absorptive article
WO2012132644A1 (en) * 2011-03-31 2012-10-04 ユニ・チャーム株式会社 Absorbent article

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