CN106232070A

CN106232070A - Absorbent commodity

Info

Publication number: CN106232070A
Application number: CN201480078212.XA
Authority: CN
Inventors: 中嶋海阳; 高阪翔士
Original assignee: Unicharm Corp
Current assignee: Unicharm Corp
Priority date: 2014-05-09
Filing date: 2014-06-27
Publication date: 2016-12-14
Also published as: AU2014282156A1; JP2015213621A; JP5634632B1; AU2014282156B2; WO2014204016A1

Abstract

It is an object of the invention to provide a kind of absorbent commodity between top flat and absorber with second, wherein, it can stably maintain the absorbent properties of discharged liquid, and can keep use sense when wearing well.I.e., it is configured to, second (5) possess multiple protuberance domain of the existences (10) and the protuberance not domain of the existence (11) forming the prominent solid protuberance (11) in oriented top flat (2) side, top flat (2) is formed the tabular surface (13) that the tip side with described protuberance (11) abuts, this tabular surface (13) is formed the multiple adhesive applicating regions (14) and multiple bonding agent non-coated area (15) formed in the part relative with protuberance domain of the existence (10), described protuberance (11) and adhesive applicating region (14) engage, between top flat (2) and second (5), space (16) it is formed with between protuberance not domain of the existence (12) and bonding agent non-coated area (15).

Description

Absorbent commodity

Technical field

The present invention relates to the absorbent commodities such as incontinence pad, disposable diaper, sanitary napkin, sanitary pad.

Background technology

As absorbent commodity, as a rule, the mistake of the discharged liquid such as the urine such as produced because of light incontinence for absorption Prohibit pad to include being positioned at the top flat of the liquid permeability of the side, skin face of user, being positioned at the egative film of the opaque liquid of garment side and be located at Absorber between this top flat and egative film.

In such incontinence pad, there is such incontinence pad: in the case of discharging discharged liquid from user, in order to good Keep well the top flat sense of touch relative to the skin of user, arrange between this top flat and absorber and have and can send out as buffering Wave the elastic of function and can the most temporarily keep second of described discharged liquid.

As described second, in order to form the sky for temporarily holding discharged liquid between this second and described top flat Between and improve absorbent properties, and in order to utilize the elastic force of second improve resiliency and keep top flat well relative to making The sense of touch of the skin of user, is known to being formed with to described top flat pleurapophysis at sheet face as shown in such as patent documentation 1～3 Second of the protuberance gone out.

But, in the case of second described in described patent documentation 1, owing to utilizing the protuberance of second second Being formed with space between sheet and described top flat, therefore, the absorbability of discharged liquid is excellent, but owing to protuberance and top flat do not connect Close, accordingly, there exist this protuberance and the situation of independent motion taked respectively by top flat.Therefore, this protuberance will not produce bullet fully Property power, exist the skin relative to user sense of touch be deteriorated probability.Additionally, there are following situation: due to described second The protuberance of sheet separates with top flat, it is possible to produces hydrops between this protuberance and top flat, is caused by this top flat backflow (rewetting) Sense is used to decline.

Additionally, in the case of second described in described patent documentation 2, due to described second be by by this Two are integrally formed into cross section substantially waveform and form the structure of described protuberance, therefore, in the motion because of user in incontinence Pad thickness direction on effect have by pressure in the case of, described protuberance can out of shape, accordingly, there are be formed at described second with Space between top flat is the most out of shape and probability that discharged liquid or the discharged liquid that remains cannot be kept to reflux to top flat.

Further, in the case of second described in described patent documentation 3, due to second, to be integrally formed into cross section big Cause waveform, and absorber is also the substantially waveform of the cross section as second, therefore, swollen at this absorber absorbing and excreting liquid In the case of swollen, the end that there is the recess between the adjacent protuberance being formed at described second, is partially moved to the top of protuberance The position of side, finally this recess disappear and become do not have irregular probability.Then, be formed at described second and top flat it Between space also disappear, it is possible to cannot temporarily keep discharged liquid, absorbent properties decline.

Prior art literature

Patent documentation

Patent documentation 1: Japanese Unexamined Patent Publication 2008-25079 publication

Patent documentation 2: Japanese Unexamined Patent Publication 2010-17342 publication

Patent documentation 3: Japanese Unexamined Patent Publication 2003-38552 publication

Summary of the invention

The problem that invention is to be solved

The technical task of the present invention is to provide a kind of absorbent commodity between top flat and absorber with second, Wherein, it can stably maintain the absorbent properties of discharged liquid, and can keep use sense when wearing well.

For solving the scheme of problem

In order to solve above-mentioned problem, the absorbent commodity of the present invention has following structure.

(1) a kind of absorbent commodity, it includes having the top flat of liquid permeability, be disposed in the one side side of this top flat and have not The egative film of liquid permeability, it is disposed between this top flat and egative film and the longest absorber and be disposed in this absorption Between body and described top flat second, this absorbent commodity is longer on the direction of the length direction along described absorber, Wherein, described absorbent commodity is arbitrary with in described second relative face, this top flat and second of described top flat The face of person possesses: multiple protuberance domain of the existences, is formed and highlights towards opposite side from sheet material in the plurality of protuberance domain of the existence Solid protuberance, the plurality of protuberance domain of the existence is parallel to each other on the direction of the length direction along described absorbent commodity Ground extends；And protuberance not domain of the existence, it is arranged between adjacent protuberance domain of the existence, and, described absorbent commodity Described top flat with in described second relative face, this top flat and second be formed without described protuberance district The face in territory is formed with the tabular surface that the tip side with described protuberance abuts, and described tabular surface has: multiple adhesive applicating regions, It is formed at the part relative with described protuberance domain of the existence, and extends along the direction identical with this protuberance domain of the existence, is coated with It is covered with bonding agent；And multiple bonding agent non-coated area, it does not apply described bonding agent, and described top flat and second are in institute The part that the described adhesive applicating region of the described protuberance and described tabular surface of stating protuberance domain of the existence abuts against mutually connects mutually Close, and between described top flat and second, between described protuberance not domain of the existence and bonding agent non-coated area formed There is space.

(2) according to the absorbent commodity described in described (1), described second has described at it by the mask of described top flat side Protuberance domain of the existence, and the face of the side contrary with described top flat of described second is formed as flat condition.

(3) according to the absorbent commodity described in described (1) or (2), the described protuberance of described protuberance domain of the existence is formed as Intersperse among the overshooting shape of sheet face.

(4) according to the absorbent commodity described in described (1) or (2), described protuberance domain of the existence is formed as along described absorption The lug, nib shape that the length direction of property article extends continuously.

(5) according to the absorbent commodity described in described (4), described absorbent commodity is with the folding line extended in the width direction On the basis of formed in the way of bending freely in the longitudinal direction, described protuberance domain of the existence with cross over described folding line side Formula is formed.

(6) according to the absorbent commodity according to any one of described (1)～(5), described protuberance domain of the existence be disposed in The model of the position that the inner side of the width of described absorber is suitable, the length direction that spreads all over described absorbent commodity total length The region enclosed.

(7) according to the absorbent commodity according to any one of described (1)～(6), described absorber with described second Being formed in part with of abutting is concavo-convex.

(8) according to the absorbent commodity according to any one of described (1)～(7), described adhesive applicating region is with straight line Shape is coated with bonding agent.

The effect of invention

Using the present invention, the protuberance of described top flat and second any one in being arranged at this top flat and second exists The part that the adhesive applicating region of the protuberance in region and the tabular surface that is arranged at another one abuts against mutually engages each other, and It is formed with space between protuberance not domain of the existence between described top flat and second, described and bonding agent non-coated area.

Thus, second part engaged at described protuberance and tabular surface with top flat is moved integratedly, therefore, and described top Sheet contacts with utilizing the elastic force of this protuberance and the skin emolliency of user, it is possible to keep use sense when wearing well.This Outward, it is possible to prevent from being separated by protuberance and tabular surface causing generation hydrops between this protuberance and tabular surface.

Further, owing to described protuberance is solid, therefore, not only protuberance is difficult to out of shape compared with conventional structure, and Owing to being formed with space between described protuberance not domain of the existence and the bonding agent non-coated area between second and top flat, because of This, it is possible to promptly absorb between this second and top flat, keep discharged liquid, it is possible to stably maintain the absorbability of discharged liquid Energy.Additionally, in the case of on the thickness direction of absorbent commodity, effect has certain power, described space is out of shape and relaxes this power, Therefore, described top flat more flexibly contacts with the skin of user, it is possible to increase use sense.

Accompanying drawing explanation

Fig. 1 is the top view of the 1st embodiment of the incontinence pad showing schematically the absorbent commodity as the present invention.Its In, represent the state observed from top flat side.

Fig. 2 is the major part amplification view of the signal of the A-A ' line along Fig. 1.

Fig. 3 is to show schematically the protuberance domain of the existence of the present invention, protuberance not domain of the existence, adhesive applicating region, viscous The major part of the position relationship connecing agent non-coated area amplifies end view drawing.

Fig. 4 is the figure of second of the 1st embodiment showing schematically the present invention, and (A) of Fig. 4 is top view, Fig. 4's (B) being side view, (C) of Fig. 4 is the sectional view along B-B ' line.

Fig. 5 is the partial perspective view of second of the 1st embodiment showing schematically the present invention.

Fig. 6 is that the adhesive applicating region of top flat of the 1st embodiment showing schematically the present invention, bonding agent are uncoated The upward view of the position relationship in region.Wherein, the circle being represented by dashed line represents the position of the protuberance of second.

Fig. 7 is the top view of the 2nd embodiment of the incontinence pad showing schematically the absorbent commodity as the present invention.Its In, represent the state observed from top flat side.

Fig. 8 is the major part amplification view of the signal of the C-C ' line along Fig. 7.

Fig. 9 is the figure of second of the 2nd embodiment showing schematically the present invention, and (A) of Fig. 9 is top view, Fig. 9's (B) being side view, (C) of Fig. 9 is the sectional view along D-D ' line.

Figure 10 is the partial perspective view of second of the 2nd embodiment showing schematically the present invention.

Detailed description of the invention

Fig. 1～Fig. 6 represents the 1st embodiment of the absorbent commodity of the present invention, in this embodiment, to absorbability thing Product are that the situation of incontinence pad (comprising the sanitary pad for absorbing urine, menses, leucorrhea etc.) illustrates.

That is, the incontinence pad 1 of this embodiment includes having the top flat 2 of liquid permeability, the one side side being disposed in this top flat 2 and tool There is the egative film 3 of opaque liquid, be disposed between this top flat 2 and egative film 3 and the longest absorber 4, Yi Jipei It is located at second 5 between this absorber 4 and described top flat 2.And, this incontinence pad 1 entirety is in the length along described absorber 4 The side in degree direction is upwardly formed longer.

Described top flat 2 abuts with the skin of user, its make promptly to absorb from the discharged liquid such as urine of this user or Person through and towards described second 5, absorber 4 shift, described top flat 2 is disposed in the skin with user of described absorber 4 The side, face (being the upper surface side of absorber 4 in Fig. 2) that skin is relative.In this embodiment, described top flat 2 is and described incontinence pad 1 (hereinafter referred to as " overlook " from situation about observing with opposition side, egative film 3 side.The shape that shape under) is substantially the same, is formed For the both end sides on the length direction of this top flat 2 by the shape bent in the way of the foreign side of the length direction of this top flat 2 protrusion Shape (substantially oblong shape).

Described top flat such as by non-woven fabrics, the synthetic resin film of liquid drain hole of weaving cotton cloth, be formed, there is the mesh sheets of mesh Deng formation, the most preferably non-woven fabrics.

Additionally, the average basis weight overall as sheet material is preferably set to 10g/m by described top flat 2²～40g/m², Further preferably it is set to 20g/m²～30g/m²。

It addition, in the case of using non-woven fabrics as described top flat, in the present invention, as this non-woven fabrics, such as can Enough list the synthesis such as the inorfils such as the regenerated fiber such as natural fiber, artificial silk, glass fibre, polyethylene, the polypropylene such as cotton Resin fibre etc..The compound fibres such as core-sheath-type fiber, conjugated type fiber, island/sea fiber can also be mixed with in non-woven fabrics Dimension；The heterotypic fibres such as hollow type fiber, flat, Y type, c-type, potential crispatura or the apparent three-dimensional winding shrinkage fibers crispaturaed；Utilize The segmentation fiber etc. of the physical loads segmentations such as current, heat, embossing processing.

Such as can list formation as the manufacture method of non-woven fabrics and knit sheet (pile fabric), utilize physico learning to do Section makes the method that fiber be combined with each other, and as knitting the forming method of sheet, such as, can list spun-bond process, dry process (is carded to Net method, spun-bond process, meltblown, air laid etc.), damp process etc., as associated methods, such as, can list heat bonding Method, chemical adhesion method, needle point method, loop bonding method, jet net-spraying method etc..In addition to the non-woven fabrics so manufactured, it is also possible to by profit The spunlaced nonwoven cloth being formed as lamellar by current intertexture method is used as top flat 2.In addition it is also possible to will in side, skin face with Concavo-convex non-woven fabrics (such as forms irregular nonwoven by making the lower layer side containing heat-shrinkable fibre etc. shrink in upper layer side Cloth, formed irregular non-woven fabrics etc. by ingress of air when sheet is knitted in formation) it is used as top flat.By so in side, skin face Formed concavo-convex, it is possible to reduce the contact area between top flat and skin.

Described egative film 3 is arranged at the underwear side (lower face side of the absorber 4 in Fig. 2) of the user of incontinence pad 1, is used for Prevent the discharged liquid ejected through and prevent from escaping to underwear etc., this egative film 3 be the plan view shape with incontinence pad 1 substantially Identical shape (thus being the shape that is substantially the same of the plan view shape with described top flat 2).

This egative film 3 and described top flat 2 are in clipping betwixt under the state of described absorber 4 and second 5 in peripheral part Engage each other.As engagement means, such as can use utilize that hot melt adhesive carries out bonding, utilize heat embossing process into The joint of row, utilize the arbitrary means such as the joint that ultrasonic wave embossed process carries out.

It addition, in the present invention, as egative film, such as, can use and implement the non-woven fabrics of water-proofing treatment, polyethylene, gather The composite sheet of the synthetic resin film of propylene etc., non-woven fabrics and synthetic resin film is (such as at the nonwoven of spun-bond process, jet net-spraying method etc. Engage the composite membrane of the synthetic resin film of breathability on cloth), to clip resistance to water with the spun-bonded non-woven fabrics that intensity is stronger higher The SMS non-woven fabrics etc. of meltblown nonwovens.

Arranging with the side, face of the opposition side, face being equipped with described top flat 2, the side, face that i.e. contacts with underwear at described egative film 3 Have for making described incontinence pad 1 be attached at the adhesive member 6 of crotch of underwear.

It addition, as can be used as the binding agent of described adhesive member 6, the most such as can list styrene- Ethylene-butylene, Styrene block copolymer, styrene-butylene polymer, styrene-butylene-styrene block copolymerization The styrenics such as thing, styreneisobutylene-styrol copolymer；C5 through-stone oleoresin, C9 through-stone oleoresin, two The viscosifier such as cyclopentadiene through-stone oleoresin, rosin series Petropols, polyterpene resin, terpene phenolic resin；Phosphate trimethylbenzene The monomeric plasticizers such as ester, dibutyl phthalate, dioctyl phthalate；The polymer such as polyvinyl, polyester increases Mould agent etc..

Additionally, described absorber 4 is for absorbing the discharged liquid such as the urine of holding user, it comprises paper pulp and water-absorbent polymeric Thing, outer peripheral face is coated with by the covering piece (not shown) that nonwoven is fabric.It addition, in this embodiment, described absorber 4 is formed as Bend in the way of foreign side's protrusion of the length direction of this absorber 4 lateral of the two ends on the length direction of this absorber 4, ratio Described top flat 2, the shape that egative film 3 is little (substantially oblong shape).

It addition, as forming the paper pulp of described absorber in the present invention, such as can list with coniferous tree or broad-leaved Wood pulp (such as photogrammetry pulp mill, fine grinding wood pulp, thermomechanical pulp, the chemical thermo-mechanical pulp etc. that tree obtains for raw material ground Mechanical pulp；Kraft pulp, the sulfuration chemical pulp such as paper pulp, soda pulp；Semichemical wood pulp etc.)；To wood pulp enforcementization Process and the soda pulping that obtains or crosslinked pulp；The non-wood pulps such as bagasse, gombo hemp, bamboo, fiber crops, cotton (such as velveteen)；People Make the regenerated cellulose such as silk, fibrillation artificial silk；The semisynthetic fibre such as acetate, triacetate element, but relatively low from cost, be prone to From the standpoint of Cheng Xinging, preferably comminution pulp.

On the other hand, as forming the water absorbent polymer of described absorber in the present invention, such as, can list poly- Acrylates system, polysulfonate system, maleic anhydride salt system, Polyacrylamide, polyethenol series, poly(ethylene oxide) system, poly-sky Winter ammonia phosphate-gallate series, polyglutamate system, poly-alginate system, starch-series, the super absorbent resin (Super such as cellulose-based Absorbent Polymer:SAP) etc., but wherein it is preferably the high suction of polyacrylate system (particularly polyacrylic acid acid sodium system) Water-base resin.

Described second 5 for absorbing, make described discharged liquid transfer to from the described discharged liquid of described top flat 2 described Absorber 4.

In this embodiment, described second 5 is the length direction extension along described absorber 4, width Length is less than the width length of the shape during vertical view of this absorber 4 and length direction is a length of and described top flat 2, egative film The substantially Long Circle of the length (i.e. identical with incontinence pad 1 length direction length) of the length direction same length of 3.And And, this second 5 with the center of the center of this width of second 5 with the width of described absorber 4 Consistent mode is disposed between described top flat 2 and absorber 4, becomes second 5 width being integrally located at absorber 4 The state of inner side.

Additionally, described second 5 can be by such as non-woven fabrics, the conjunction of liquid drain hole of weaving cotton cloth, be formed as described top flat 2 Resin film, the mesh sheets etc. with mesh are formed, but are wherein preferably non-woven fabrics.

Further, the average basis weight that sheet material is overall is preferably set to 10g/m by described second 5²～40g/m², more It is preferably set to 20g/m²～30g/m²。

Here, as shown in Fig. 3～Fig. 5, described second 5 has multiple protuberance to deposit at the sheet material mask by described top flat 2 side In region 10, this protuberance domain of the existence 10 is formed with the protuberance 11 highlighted towards described top flat 2 side from this sheet material, this protuberance Domain of the existence 10 extends on the direction of the length direction along described incontinence pad 1, i.e. this length direction of second 5.These are many Individual protuberance domain of the existence 10 is to join parallel to each other with constant spaced state on the width of described second 5 If.

Additionally, described second 5 has multiple protuberance not domain of the existence 12, this protuberance not domain of the existence 12 is formed at described Between other in multiple protuberance domain of the existences 10, adjacent protuberance domain of the existences 10, this protuberance not domain of the existence 12 does not exists Described protuberance 11.This protuberance not domain of the existence 12 is all that the face by top flat 2 side is formed as flat condition, with along described incontinence pad On the direction of the length direction of 1, i.e. this length direction of second 5 parallel to each other and along adjacent described protuberance domain of the existence The mode of the ora terminalis on the long limit of 10 extends.Thus, described protuberance domain of the existence 10 and protuberance not domain of the existence 12 is arranged in institute State state alternately arranged on the width of second 5.It addition, there is not district in the plurality of protuberance in described second 5 The thickness of the part in territory 12 is substantially the same.

In this embodiment, described protuberance domain of the existence 10 be all disposed in in the width of described absorber 4 The position that side is suitable.As aforementioned, described second 5 inner side becoming second 5 width being integrally located at absorber 4 State.Thus, described protuberance domain of the existence 10 is all disposed in the position suitable with the inner side of the width of described absorber 4 Put.

Additionally, described protuberance domain of the existence 10 is all disposed in the scope of the total length of the length direction spreading all over described incontinence pad 1 Region.As aforementioned, the length direction length of described second 5 is formed as and described top flat 2, the length direction of egative film 3 The length of same length, therefore as a result, each protuberance domain of the existence 10 is both formed in the length direction of described incontinence pad 1 In the range of total length.

Thus, described protuberance domain of the existence 10 be all be disposed in suitable with the inner side of the width of described absorber 4 The state in the region of the scope of position, the length direction that spreads all over described incontinence pad 1 total length.

The plurality of protuberance domain of the existence 10 is all mutually the same width.Additionally, the plurality of protuberance not domain of the existence 12 is all mutually the same width.

Further, described protuberance domain of the existence 10 and protuberance not domain of the existence 12 is with the width W of these protuberance domain of the existences 10₁ Width W with protuberance not domain of the existence 12₂The mode becoming constant relationship is formed.Width W with regard to described protuberance domain of the existence 10₁ Width W with protuberance not domain of the existence 12₂For, ratio W of the width in the two region₁/W₂Preferably 1～3, the most excellent Elect 1.5～2 as.

At described W₁/W₂When being 1.5～3, space 16 described later is difficult to out of shape, and tabular surface described later 13 is difficult to sagging, Therefore, it is possible to more stably suppress this tabular surface 13 to contact with described protuberance not domain of the existence 12.

Described protuberance 11 is all formed as solid, i.e. inside at this protuberance 11 and is filled with for forming described second 5 The state of fiber.For described protuberance 11, the bounce produced for forming the fiber of this protuberance 11 increase, Therefore, compared with hollow situation (such as second situation etc. being formed as cross section substantially waveform), become impart higher Elastic state.

Additionally, along with described protuberance 11 is solid, the face of the side contrary with described top flat 2 side of described second 5, i.e. Face by described absorber 4 side is formed as flat condition.By so by the side contrary with described top flat 2 side of second 5 Face is set to flat condition, there is advantage as follows: even if described incontinence pad 1 (particularly second 5) along user In the case of skin surface has deformed, it is also possible to suppress space 16 described later out of shape as far as possible.

In this embodiment, described protuberance 11 is all formed as being shaped so as to circular, phase each other when overlooking The most hemispherical overshooting shape of similar shape formed objects, with constant regularly intersperse among described second 5 by top The sheet face of sheet 2 side.

Specifically, described protuberance 11 (being mutual equal intervals in the case of this embodiment) at predetermined intervals is arranged In each of the plurality of protuberance domain of the existence 10.Additionally, the width of the base end side of each protuberance 11 (is in this case Diameter) be all and the width W of described protuberance domain of the existence 10₁Roughly the same width.Thus, each protuberance domain of the existence 10 Each protuberance 11 become in same protuberance domain of the existence 10 with substantially linear arrange and also with this protuberance domain of the existence 10 The state that the farthest prominent height of the part that the central authorities of width are suitable is the highest.

By so described protuberance 11 being formed as interspersing among the overshooting shape of described face, growing at described incontinence pad 1 Situation about correspondingly bending with the motion of user on degree direction, width, the most multiple In the case of closing ground bending, described protuberance 11 will not hinder the bending of described incontinence pad 1.On this basis, due to described later Space 16 is easily made into the bending starting point of described incontinence pad 1, and therefore, this incontinence pad 1 is prone to follow the health of user.

It addition, the face by top flat 2 side of described protuberance domain of the existence 10, the part that there is not described protuberance 11 be smooth The thickness T of the face of shape, thickness and described protuberance not domain of the existence 12₂Roughly the same.

Further, each protuberance 11, the size i.e. height T of protuberance 11 on the thickness direction of second slice 5₁As long as more than described The thickness T of protuberance not domain of the existence 12₂, it is possible to it is set to arbitrary size, but is preferably set to 1.5 times～about 3.0 times.Enter one Step is preferably set to 1.5 times～2 times.

By the height T by described protuberance 11₁It is set to the thickness T of protuberance not domain of the existence 12₂1.5 times～3.0 of height Times, even if in the case of the power that incontinence pad 1 has such as acted on thickness direction, space 16 described later is also difficult to out of shape, and It is prone to maintain the height of protuberance 11 self.

Here, in the case of be formed with second of the plurality of solid protuberance 11 by non-woven fabrics manufacture, can adopt Use arbitrary method, but such as can list the heat receipts of thermal stretching and/or the heat-shrinkable fiber utilizing thermally extensible fiber The method etc. of contracting.

First, as the method for the thermal contraction of the thermal stretching and heat-shrinkable fiber utilizing thermally extensible fiber, such as can Enough list the described methods such as Japanese Unexamined Patent Publication 2012-5701 publication.Use the method, by side, skin face ( It is top flat side in the case of this embodiment) there is thermally extensible fiber layer and in the side contrary with side, skin face (at this It is to absorb side in the case of embodiment) there is the heat-shrinkable fibre utilizing junction surface with thermally extensible fiber layer local engagement The lamination sheets of dimension layer carries out heat treated, utilizes the thermal stretching of thermally extensible fiber layer and the fibrolaminar thermal contraction of heat-shrinkable to make Thermally extensible fiber layer swells to side, skin face, it is possible to manufacture the non-woven fabrics with the sheet face being formed with many protuberances.

Thermally extensible fiber contained by thermally extensible fiber layer both can be to utilize heat treated to make actual fiber long The fiber (crystalline state of such as resin changes and the fiber of the fibre length of reality elongation) of degree elongation, it is also possible to be to utilize to add Heat treatment makes the fibre length of reality not extend but the fiber of apparent fibre length elongation (such as releases the sawtooth manifested Crispaturaing of shape, Ω shape, helical form etc. and apparent fibre length elongation crinkled fibre).Various thermally extensibles are fine Dimension is well-known (such as Japanese Unexamined Patent Publication 2004-218183 publication, Japanese Unexamined Patent Publication 2005-350836 publication, Japan JP 2007-303035 publication, Japanese Unexamined Patent Publication 2007-204899 publication, Japanese Unexamined Patent Publication 2007-204901 publication, Japanese Unexamined Patent Publication 2007-204902 publication, Japanese Unexamined Patent Publication 2008-101285 publication etc.), it is possible to properly select and make With.

Heat-shrinkable fiber contained by heat-shrinkable fibrous layer both can be to utilize heat treated to make actual fiber long The fiber that shortens of degree, it is also possible to be to utilize heat treated to make the fibre length of reality not shorten but apparent fibre length shortens Fiber (such as manifest zigzag, Ω shape, spiral helicine crispaturaing and potential crimp property that apparent fibre length shortens is fine Dimension).Various heat-shrinkable fibers are also well-known (such as Japanese Unexamined Patent Publication 9-296325 publication, Japan spies Open flat 2-191720 publication, Japanese Unexamined Patent Publication 2007-177335 publication), it is possible to properly select and use.

Heat embossing is e.g. utilized to process at the junction surface of thermally extensible fiber layer and heat-shrinkable fibrous layer local engagement The recess formed.Junction surface such as can with overlook time interlock clathrate configuration.Due to 1 by being surrounded by multiple junction surfaces Region forms 1 protuberance with these junction surfaces as starting point to side, skin face protuberance, therefore, it is possible in view of the formation of protuberance Property, loft etc. suitably adjust the quantity at junction surface, position etc..

Additionally, as the method for the thermal contraction utilizing heat-shrinkable fiber, such as Japanese Unexamined Patent Publication 2002-can be listed Described in No. 187228 publications, Japanese Unexamined Patent Publication 2003-247155 publication, Japanese Unexamined Patent Publication 2007-177340 publications etc. Method.Use these methods, by there is non-thermal contraction fibrous layer in side, skin face and contrary with side, skin face Side has and utilizes the fibrolaminar lamination sheets of heat-shrinkable of junction surface and non-thermal contraction fibrous layer local engagement to heat Process, utilize the fibrolaminar thermal contraction of heat-shrinkable to make non-thermal contraction fibrous layer swell to side, skin face, it is possible to manufacture and have It is formed with the non-woven fabrics of the sheet face of many protuberances.Non-thermal contraction fiber contained by non-thermal contraction fibrous layer is the most permissible The fiber without heat-shrinkable, it is also possible to and though be that there is heat-shrinkable its thermal contraction start temperature higher than heat receive The thermal contraction of the heat-shrinkable fiber contained by contracting fibrous layer starts the fiber of temperature (i.e. contained by heat-shrinkable fibrous layer The thermal contraction of heat-shrinkable fiber start the fiber of substantially not thermal contraction at a temperature of below temperature).As non-heat-shrinkable Property fiber, such as, can list the regenerated fibers such as artificial silk；The semisynthetic fibres such as acetate；The natural fibers such as cotton, Pilus Caprae seu Ovis；Poly- The thermoplastic resin fibres such as alkene (such as polyethylene, polypropylene etc.), polyester (such as polyethylene terephthalate etc.), polyamide Deng.As heat-shrinkable fiber and the meaning at junction surface and concrete example with aforesaid content are.

Further, as the method for the thermal stretching utilizing thermally extensible fiber, such as, Japanese Unexamined Patent Publication 2005-can be listed The method that No. 350836 publications, Japanese Unexamined Patent Publication 2010-168715 publications etc. are described.Use these methods, by skin Side, face has thermally extensible fiber layer and has in the side contrary with side, skin face and utilize junction surface and thermally extensible fiber The fibrolaminar lamination sheets of non-thermally extensible of layer local engagement carries out heat treated, utilizes the thermal stretching of thermally extensible fiber layer to make Thermally extensible fiber layer swells to side, skin face, it is possible to manufacture the non-woven fabrics with the sheet face being formed with many protuberances.Non- Non-thermally extensible fiber contained by thermally extensible fiber layer both can be the fiber the most without thermally extensible, it is also possible to Though being that there is thermally extensible but its thermal stretching starts the temperature heat higher than thermally extensible fiber contained by thermally extensible fiber layer (i.e. the thermal stretching at the thermally extensible fiber contained by thermally extensible fiber layer starts below temperature to the fiber of elongation beginning temperature At a temperature of the fiber of substantially not thermal stretching).As non-thermally extensible fiber, such as, can list the regeneration fibres such as artificial silk Dimension；The semisynthetic fibres such as acetate；The natural fibers such as cotton, Pilus Caprae seu Ovis；Polyolefin (such as polyethylene, polypropylene etc.), polyester are (such as Polyethylene terephthalate etc.), the thermoplastic resin fibre etc. such as polyamide.The meaning at thermally extensible fiber and junction surface is with concrete As example with aforesaid content is.

On the other hand, described top flat 2 be created as flat condition with described second 5 relative face by second side Tabular surface 13.

Here, " smooth " of the present invention refers to top flat, egative film, the sheet material such as second not implemented to form described protuberance and added Work, overall substantially planar, it is possible to have by with the joint etc. of other sheet materials cause concavo-convex, caused not by sheet forming Evitable face concavo-convex.

Additionally, described tabular surface 13 includes: multiple adhesive applicating regions 14, it is formed at and described protuberance domain of the existence 10 relative parts, and extend along the direction identical with this protuberance domain of the existence 10, it is coated with bonding agent；And it is multiple bonding Agent non-coated area 15, it does not apply described bonding agent.

The plurality of adhesive applicating region 14 arranges in the way of relative with described protuberance domain of the existence 1, and bonding agent is coated with Apply region 14 and be formed as big with the length direction length and width direction length of relative (aspectant) protuberance domain of the existence 10 Cause identical length direction length and width direction length.Thus, these adhesive applicating regions 14 are with the width side at top flat 2 Upwards it is disposed on described tabular surface 13 with the state of the constant interval arrangement identical with described protuberance domain of the existence 10.

Further, in this embodiment, with predetermined painting in the range of the total length on described adhesive applicating region 14 Deposited pattern is coated with described bonding agent.

Additionally, the plurality of bonding agent non-coated area 15 is joined in the way of domain of the existence 12 is not relative with described protuberance If each bonding agent non-coated area 15 is formed as and the length direction length of relative (aspectant) protuberance not domain of the existence 12 Length direction length and width direction length with width same length.Further, these bonding agent non-coated area 15 between adjacent described adhesive applicating region 14 in the way of the ora terminalis along the long limit in this adhesive applicating region 14 Extend.Thus, these bonding agent non-coated area 15 become on the width of top flat 2 not exist with the plurality of protuberance Identical interval, region 10 is disposed in the state on described tabular surface 13.

Thus, described adhesive applicating region 14 and bonding agent non-coated area 15 are at the described tabular surface of described top flat 2 State alternately arranged on the width of this top flat 2 it is arranged on 13.

It addition, as being coated on the bonding agent in described adhesive applicating region 14, as long as can be reliable and the most bonding Described protuberance 11 and tabular surface 13, it is possible to use arbitrary bonding agent, but most preferably hot melt adhesive.In the present invention In, as hot melt adhesive, such as, can use polyolefin, ethylene-vinyl acetate copolymer system, synthetic rubber system Bonding agent.Bonding agent as other, it is possible to use acrylic resin binding agent.

Additionally, as the application pattern of described bonding agent, it is possible to use arbitrary pattern, such as can use helical form, Greek alphabet omega (Ω) shape, broken line, curve, straight line (bead) shape, the wide band of application pattern of this linearity of width ratio The arbitrary application pattern such as shape.

Here, as the application pattern of bonding agent, the most described bonding agent is coated on described bonding agent with linearity and is coated with Apply region 14.Further, the most described bonding agent exists at the middle body of the width in described adhesive applicating region 14 Apply with linearity in the range of the total length of the length direction in this adhesive applicating region 14.

Thus, make the tip side of the protuberance 11 of described protuberance domain of the existence 10, be particularly at by described top flat side The part of position is adhered to described tabular surface 13, it is possible to stably keep described protuberance not domain of the existence 12 uncoated with bonding agent Distance between region 15 such that it is able to be reliably formed space 16 described later.Additionally, engaging described protuberance 11 and smooth During face 13, suppress described bonding agent to overflow to bonding agent non-coated area 15 from described adhesive applicating region 14, prevent protuberance Domain of the existence 12 and bonding agent non-coated area 15 be not bonding, it is possible to more stable and be reliably formed space 16.

Further, as the coating method of described bonding agent, correspondingly can use from single with the application pattern of bonding agent Or multiple nozzle injection bonding agent and apply the method for the various application pattern of single or multiple wire or point-like, utilize roller etc. Bonding agent is made to apply the method for the dot pattern of planar or planar with applying object location contacts or spray with banding from nozzle Penetrate the arbitrary coating method such as method of adhesive-applying.

The coating amount of described bonding agent also depends on the coating figure of the length in described adhesive applicating region 15, bonding agent Case, but preferably 5g/m²～20g/m², more preferably 10g/m²～15g/m²Left and right.

By so the coating amount of described bonding agent being set to 5g/m²～20g/m², bonding force can not only be suppressed not enough and Such state of affairs cannot be engaged well with protuberance 11, and can suppress to be easily peeled off, and be prevented from being led by bonding agent Cause top flat 2, protuberance 11 is hardening and suppresses stiff as far as possible.

And, described top flat 2 and second 5 tip side at the described protuberance 11 of described protuberance domain of the existence 10 and coating The part abutted against mutually in the bonding agent in the described adhesive applicating region 14 of described tabular surface 13 is the most bonding, joint.

On the other hand, between described top flat 2 and second 5, described protuberance not domain of the existence 12 and the non-painting of bonding agent Apply and be formed with this top flat 2 and second 5 unassembled described space 16 between region 15.

Described space is formed by utilizing described protuberance 11 to be supported to the direction separated from second 5 by described top flat 2 16。

Further, since both ends on the length direction of described second 5 and described top flat 2 and egative film 3 are in peripheral part Engage partly overlaps, and therefore, the protuberance 11 of second 5 of this part is out of shape by compression in a thickness direction, does not substantially have There is the described space 16 of formation.Additionally, the part in addition to described protuberance 11 of described protuberance domain of the existence 10 is preferably the most not Bonding agent is utilized to engage with described adhesive applicating region 14, thus, in this embodiment, protuberance domain of the existence 10 and bonding The unassembled part of agent the area of application 14 becomes the space connected with described space 16, it is possible to play the merit as this space 16 Energy.

It addition, having with described second 5 part abutted on described absorber 4 is formed concavo-convex.Preferably In become such structure: together form, with described top flat 2 and second 5, the multiple compression grooves 17 utilizing embossing to be processed to form, These compression grooves 17 are utilized to be formed concavo-convex with described second 5 face abutted.

When forming described compression groove 17, by making top flat 2 described in stacking and 3, second 5, egative film, absorber 4 Duplexer between the pair of rolls up and down being arranged at embossing processing unit (plant) by carrying out.It addition, described embossing processing unit (plant) One roller is the knurling rolls of protruding part being provided with the shape corresponding with compression groove 17 at outer peripheral face, and another roller is that outer peripheral face is put down Sliding straight roll.When passing through between making described duplexer in the pair of rolls up and down being arranged at embossing processing unit (plant), described stacking Body is compressed the most in a thickness direction with the shape of the protruding part of described knurling rolls, and described compression groove 17 is formed at described Duplexer.Thus, described top flat 2, second 5 and absorber 4 utilize this compression groove 17 to engage, and at described absorber 4 The part with described second part abutted be formed concavo-convex.

By so being formed concavo-convex at described absorber 4 with described second 5 part abutted, it is possible at second 5 And between absorber 5, form space, therefore, realize promptly inhaling as the space 16 between described top flat 2 and second 5 Receive, keep discharged liquid, and on the thickness direction of incontinence pad 1 effect have certain power in the case of, described space is out of shape and slow With this power, it is possible to seek the flexibility promoting described top flat further for the skin of user.

Having in the incontinence pad 1 of described structure, described second 5 and described top flat 2 are being arranged at described in this second 5 The protuberance 11 of protuberance domain of the existence 10 offsets mutually with the adhesive applicating region 14 of the described tabular surface 13 being arranged at described top flat 2 The part connect engages.On the other hand, between this top flat 2 and second 5, described protuberance not domain of the existence 12 and described bonding Space 16 it is formed with between agent non-coated area 15.

Now, the part engaged at described protuberance 11 and tabular surface 13 due to described second 5 and top flat 2 is transported integratedly Dynamic, therefore, described top flat 2 contacts with can utilizing the elastic force of this protuberance 11 and the skin emolliency of user.Thus, can not only Use sense during described incontinence pad 1 is worn in enough holdings well, and is prevented from being separated by protuberance 11 and tabular surface 13 causing , between this protuberance 11 and tabular surface 13 occur hydrops.

Further, owing to described protuberance 11 is solid, therefore, not only protuberance 11 is difficult to out of shape compared with conventional structure, And due to the not shape between domain of the existence 12 and bonding agent non-coated area 15 of the described protuberance between second 5 and top flat 2 Become to have space 16, therefore, it is possible to promptly absorb between this second 5 and top flat 2, keep discharged liquid, it is possible to stably tie up Hold the absorbent properties of discharged liquid.Additionally, acting on outside certain on the thickness direction of incontinence pad 1 because of motion of user etc. In the case of power, owing to described space 16 is out of shape and relaxing this external force, therefore, described top flat 2 can with the skin of user more Flexibly contact and improve use sense.On the contrary, in the case of eliminating described external force, it is possible to utilize the elasticity of described protuberance 11 Power makes the shape of this protuberance recover in advance and make the shape in described space 16 recover rapidly, it is possible to recover in advance as incontinence pad 1 Absorbability.

Fig. 7～Figure 10 represents the 2nd embodiment of the present invention, in this embodiment, as described 1st embodiment Illustrate to implement the situation of incontinence pad as absorbent commodity.

In the incontinence pad 21 of this embodiment, the shape of the protuberance of protuberance domain of the existence, there is the top flat 22 of liquid permeability The concrete structure of concrete structure and be disposed between absorber 4 and described top flat 22 second 25 is real with the described 1st Execute mode different.

It addition, the structure in addition to described top flat 22 and second 25 is to be substantially the same with described 1st embodiment Structure, therefore, mark same reference and omit detailed description.

As shown in Fig. 7 and Fig. 9, Figure 10, described second 25 has multiple protuberance at the sheet material mask by described top flat 22 side Domain of the existence 30, is formed with the protuberance 31 highlighted towards described top flat 22 side from this sheet material in this protuberance domain of the existence 30, should Protuberance domain of the existence 30 extends on the direction of the length direction along described incontinence pad 21 i.e. this length direction of second 25.

The plurality of protuberance domain of the existence 30 with on the width of described second 25 with constant spaced shape State arranges parallel to each other.

Additionally, described second 25 has multiple protuberance not domain of the existence 32, this protuberance not domain of the existence 32 is formed at institute State between other in multiple protuberance domain of the existence 30, adjacent protuberance domain of the existences 30,30, there is not described protuberance 31.Should Protuberance not domain of the existence 32 is all the face that the face by top flat 22 side is formed as flat condition, with in the length along described incontinence pad 21 Parallel to each other and length along adjacent described protuberance domain of the existence 30 on the direction in direction i.e. this length direction of second 25 The mode of the ora terminalis on limit extends.Thus, described protuberance domain of the existence 30 and protuberance not domain of the existence 32 is arranged to described second State alternately arranged on the width of sheet 25.Additionally, the plurality of protuberance of described second 25 not domain of the existence 32 The thickness of part is substantially the same.

It addition, described protuberance domain of the existence 30 is disposed in the position suitable with the inner side of the width of described absorber 4 , the protuberance of the region this point of the scope of the total length of the length direction spreading all over described incontinence pad 21 and described 1st embodiment Domain of the existence 10 is roughly the same.

The plurality of protuberance domain of the existence 30 is all mutually the same width.Additionally, the plurality of protuberance not domain of the existence 32 is all mutually the same width.

Further, described protuberance domain of the existence 30 and protuberance not domain of the existence 32 is with the width W of these protuberance domain of the existences 30₃ Width W with protuberance not domain of the existence 32₄The mode becoming constant relationship is formed.Width W with regard to described protuberance domain of the existence 30₃ Width W with protuberance not domain of the existence 32₄For, ratio W of the width in the two region₃/W₄It is preferably 1.2～3.0.Enter one Step is preferably 1.5～2.

By by described W₃/W₄It is set to 1.2 times～3.0 times, even such as incontinence pad 21 being acted on thickness direction In the case of power, space 36 described later is also difficult to out of shape, and is also easy to maintain the height of protuberance 31 self.

As shown in Figure 9 and Figure 10, be formed at the described protuberance 31 of described protuberance domain of the existence 30 be all formed as solid, i.e. exist The inside of this protuberance 31 is filled with the state for the fiber forming described second 25, becomes imparting compared with hollow situation The state of higher elasticity.Additionally, along with described protuberance 31 is solid, described second 25 contrary with described top flat 22 side The sheet face of side, the face of the most described absorber 4 side be formed as flat condition.

Further, the protuberance 31 of any one the protuberance domain of the existence 30 in described protuberance 31 is all formed as along described incontinence pad The length direction of 21, the length direction of the most described second 25, more particularly it is that the extension of described protuberance domain of the existence 30 sets Put the lug, nib shape that direction extends continuously.

Specifically, the described protuberance 31 of this embodiment is formed as having by the way of the protrusion of described top flat 22 side The cross section of curved surface is substantially semi-circular, is arranged in the respective whole regional extent of each protuberance domain of the existence 10.Additionally, it is each The width of the base end side of protuberance 31 is all and the width W of described protuberance domain of the existence 30₃Roughly the same width.Thus, each Each protuberance 31 of protuberance domain of the existence 30 becomes in the protuberance domain of the existence 30 being provided with this protuberance 31 with substantially linear arranging State.

Thus, described second 25 becomes such structure: i.e. has and includes the so-called of multiple protuberance 31 and groove portion 37 Furrow structure, wherein, described protuberance domain of the existence 30 utilizes protuberance 31 to be formed as lug, nib shape, and adjacent protuberance domain of the existence 30, the described protuberance not domain of the existence 32 between 30 essentially becomes concave groove portion 37.

Additionally, be disposed in the scope of the total length of the length direction of described incontinence pad 21 along with described protuberance domain of the existence 30 In, described protuberance 31 extends in the range of the total length of the length direction of this incontinence pad 21 continuously.Thus, by described incontinence Pad 21 is converted into three foldings etc. in the longitudinal direction as the situation etc. of finished product shipment, by described incontinence pad 21 with along shown in Fig. 1 Bending in the longitudinal direction on the basis of folding line l, m that width extends in the case of being formed freely, described protuberance is deposited All formed in the way of crossing over described folding line l, m across with described folding line l, m in region 30.Thus, at described protuberance There is described protuberance 31 in the position intersected with folding line l, m in domain of the existence 30, therefore, the elastic force utilizing this protuberance 31 is easy In launching from the bending state of described incontinence pad 21, and extensive from bending state in the face by top flat 22 side of this incontinence pad 21 Multiple very fast, it is difficult to infringement uses sense.

It addition, the size i.e. height T of protuberance 31 on described protuberance 31, the thickness direction of second slice 25₃As long as being more than The thickness T of described protuberance not domain of the existence 32₄, it becomes possible to it is set to arbitrary size, but is preferably set to 1 times～about 3 times.More excellent Choosing is set to 1.5 times～2 times.

Height T at protuberance 31₃Thickness T for described protuberance not domain of the existence 32₄1.5 times～3 times time, sky described later Between 36 be difficult to out of shape, and tabular surface described later 33 is difficult to sagging, therefore, it is possible to suppress this tabular surface 33 not deposit with described protuberance Contact in region 32.

Here, preferably non-woven fabrics forms described second 25.

And, by defining described furrow structure on sheet (pile fabric) containing knitting of such as thermoplastic resin fibre The cross section thermal welding that the thermoplastic resin fibre that blows and sprays hot blast afterwards and make to knit in sheet is mutual, it is possible to manufacture described second 25 such, have by described protuberance domain of the existence 30 and the non-woven fabrics of the protuberance furrow structure that domain of the existence 32 is not constituted.

As in the described method knitted and form described furrow structure on sheet, it is possible to use arbitrary method, such as can arrange Enumerate Japanese Unexamined Patent Publication 2008-25079 publication, Japanese Unexamined Patent Publication 2008-23326 publication, Japanese Unexamined Patent Publication 2009-30218 The method that publication etc. are described.Use these methods, be positioned in breathability supporting member (the most netted supporting structure by sheet will be knitted Part) on, the upper surface making breathability supporting member move in a predetermined direction to knitting sheet blows and sprays gas continuously (typically air), it is possible to knitting formation furrow structure on sheet.Prop up it addition, be formed in the region blowing and spraying gas along breathability The groove portion 37 that the moving direction of bearing member extends, and formed between the groove portion 37 of adjacent two protuberances not domain of the existence 32 There is the protuberance 31 (ridge) of lug, nib shape.Now, owing to blowing and spraying the fiber two side shiftings to groove portion 37 in the region of gas, therefore, The weight per unit area of protuberance 31 is usually above the weight per unit area in groove portion 37.By adjust the quantity of nozzle, bore and Spacing, from the temperature of gas of nozzle injection and emitted dose, the tension force etc. knitting sheet, it is possible to by protuberance 31 and the quantity in groove portion 37, Interval, weight per unit area, fibre density etc. are adjusted to desired scope.

Described in constituting, knit the thermoplastic resin of the thermoplastic resin fibre that sheet is comprised, such as, can list polyene Hydrocarbon, polyester, polyamide etc..As polyolefin, such as, can list straight-chain low density polyethylene (LLDPE), low density polyethylene Alkene (LDPE), medium density polyethylene (MDPE), high density polyethylene (HDPE) (HDPE), polypropylene, polybutene, using these compositions as master Copolymer (such as ethylene-vinyl acetate copolymer (EVA), ethylene-acrylic acid ethyl copolymer (EEA), the ethylene-the third of body Olefin(e) acid copolymer (EAA), ionomer resin) etc..As polyester, such as, can list with polyethylene terephthalate (PET), headed by PTT (PTT), polybutylene terephthalate (PBT) (PBT), polylactic acid, polyglycolic acid Straight-chain or the polyester such as the carbon number poly (hydroxyalkanoate) reaching 20 of branched, using these compositions as main body copolymer, With alkylene terephthalates as main component and by the copolyester etc. of other compositions marginally copolymerization.As polyamides Amine, such as can list 6-nylon, 6,6-nylon etc..Thermoplastic resin fibre preferably carries out hydrophilicity-imparting treatment.As heat The hydrophilicity-imparting treatment of plastic resin fiber, such as, can list the process utilizing surfactant, hydrophilizing agent etc. to carry out (such as To fibrous inside mixing surfaces activating agent, at fiber surface coated surfaces activating agent etc.), plasma process etc..

Described thermoplastic resin fibre can also be made up of a kind of thermoplastic resin, but is preferably containing two or more thermoplastics The composite fibre of property resin.Preferably composite fibre is sheath-core type conjugate fiber.Become as the sheath forming sheath-core type conjugate fiber The thermoplastic resin divided, selects the fusing point thermoplastic resin less than the fusing point of the thermoplastic resin forming core composition.As formation The core composition of sheath-core type conjugate fiber and the thermoplastic resin of sheath composition, such as, can list the alkene such as polyethylene, polypropylene It is the polyamide series resin such as resin, nylon, polyester based resin, polyacrylonitrile based resin etc..Form the thermoplastic resin of sheath composition Be preferably polyethylene (such as high density polyethylene (HDPE), Low Density Polyethylene, straight-chain Low Density Polyethylene, these polyethylene mixed Compound etc.), the thermoplastic resin forming core composition is preferably polypropylene and polyester.Sheath-core type conjugate fiber be preferably core composition and The center of sheath composition is substantially uniform, will not manifest by adding thermally-induced spiral helicine crispatura.

On the other hand, becoming with described second 25 face relative, by second side of described top flat 22 is formed as flat The tabular surface 33 of smooth shape.It addition, the meaning of " smooth " is shown in aforementioned.

Described tabular surface 33 includes: multiple adhesive applicating regions 34, and it is formed at and described protuberance domain of the existence 30 phase To (aspectant) part, and extend along the direction identical with this protuberance domain of the existence 30, be coated with bonding agent；And it is many Individual bonding agent non-coated area 35, it does not apply described bonding agent.

The plurality of adhesive applicating region 34 arranges in the way of relative with described protuberance domain of the existence 30, each bonding agent The area of application 34 is formed as the length direction length and width direction length with relative (aspectant) protuberance domain of the existence 30 Roughly the same length direction length and width direction length.Thus, these adhesive applicating regions 34 are with the width at top flat 22 Degree is disposed on described tabular surface 33 with the spaced state identical with described protuberance domain of the existence 30 on direction.

Further, in described adhesive applicating region 34, the total length in each adhesive applicating region 34 and overall with scope In be coated with described bonding agent with predetermined application pattern.

Additionally, the plurality of bonding agent non-coated area 35 is joined in the way of domain of the existence 32 is not relative with described protuberance If each bonding agent non-coated area 35 is formed as and the length direction length of relative (aspectant) protuberance not domain of the existence 32 Length direction length and width direction length with width same length.Further, these bonding agent non-coated area 35 between adjacent described adhesive applicating region 34 in the way of the ora terminalis along the long limit in this adhesive applicating region 34 Extend, these bonding agent non-coated area 35 become on the width of top flat 22 with described protuberance not domain of the existence 30 phase Same interval is disposed in the state on described tabular surface 33.

Thus, described adhesive applicating region 34 and bonding agent non-coated area 35 are arranged to described in described top flat 22 State alternately arranged on tabular surface 33.

It addition, be coated on the kind of bonding agent in described adhesive applicating region 35, application pattern, coating method with described The situation in the adhesive applicating region 15 of the 1st embodiment is identical.

The coating amount of described bonding agent also depends on the coating figure of the length in described adhesive applicating region 35, bonding agent Case, but in the case of this embodiment, it is preferably again 5g/m with described 1st embodiment²～20g/m², further preferably For 10g/m²～15g/m²Left and right.Coating amount at described bonding agent is 5g/m²～20g/m²Time, bonding force can not only be suppressed Not enough and such state of affairs cannot be engaged well with protuberance 31, and also be able to suppression and be easily peeled off, and be prevented from Caused top flat 22 by bonding agent, protuberance 31 is hardening and is suppressed stiff as far as possible.

And, as shown in Figure 8, described top flat 22 and the second 25 described protuberance 31 at described protuberance domain of the existence 30 The part that the bonding agent in tip side and the described adhesive applicating region 34 that is coated on described tabular surface 33 abuts against mutually is glued mutually Connect, engage.On the other hand, between described top flat 22 and second 25, described protuberance not domain of the existence 32 and bonding agent non- This top flat 22 and second 25 unassembled space 36 it are formed with between the area of application 35.

Described sky is formed by utilizing described protuberance 31 to be supported to the direction separated from second 25 by described top flat 22 Between 36.In the case of this embodiment, described top flat 22 side due to described second 25 becomes furrow structure, therefore, institute State space 36 and become the structure that the length direction along top flat 22 and the length direction of second 25, the most described incontinence pad 21 extends.

Further, since both ends on the length direction of described second 25 and described top flat 22 and egative film 23 are at circumference What tap was closed partly overlaps, and therefore, the protuberance 31 of second 25 of this part is out of shape by compression, substantially in a thickness direction It is formed without described space 36.

Having in the incontinence pad 21 of described structure, described second 25 and described top flat 22 are being arranged at this second 25 The protuberance 31 of the lug, nib shape of described protuberance domain of the existence 30 is coated with the bonding agent of the described tabular surface 33 being arranged at described top flat 22 Apply the part joint that region 34 abuts against mutually.On the other hand, between this top flat 22 and second 25, described protuberance do not exists It is formed with space 36 between region 32 and described bonding agent non-coated area 35 (groove portion 38).

Thus, it is possible to obtain substantially effect as described 1st embodiment.

In addition, owing to described protuberance 31 is formed as the lug, nib shape that extends continuously along the length direction of incontinence pad 21, Therefore, compared with described 1st embodiment on this point of the breathability of length direction of this incontinence pad 21 the most advantageously.

In described 1st and the 2nd embodiment, become the face by top flat 2,22 side at described second 5,25 and be provided with institute State protuberance domain of the existence 10,30, and be formed with tabular surface 13,33 in the face by second 5,25 side of described top flat 2,22 Structure.However, it can be and protuberance domain of the existence is set in the face by second side of top flat, and by second by top flat The face of side is set to the structure of tabular surface.

But, as described 1st and the 2nd embodiment, second arranges protuberance domain of the existence and is formed convex In the case of portion, owing to this second contacts with absorber, therefore, swollen because absorbing, keep discharged liquid even if having absorber The swollen buffering that is also easy to is caused this absorber such advantage of pressure to the skin imparting of user by the expansion of this absorber.

Even if additionally, in the case of the face by second side that protuberance domain of the existence is arranged at top flat, being formed at this The protuberance of protuberance domain of the existence the most both can be the overshooting shape interspersing among sheet face, it is also possible to be the length side along absorbent commodity To the lug, nib shape extended continuously, this is self-evident.

Further, either in the case of protuberance domain of the existence is arranged at top flat, the situation of second also it is disposed on Under, when protuberance is set to the overshooting shape interspersing among sheet face, the interval between protuberance in same protuberance domain of the existence is all Can be set to arbitrary size, and can also and other protuberance domain of the existence in protuberance between interval different.

In described 1st and the 2nd embodiment, described protuberance domain of the existence 10,30 is disposed in and the width of described absorber 4 The region of the scope of the suitable position, inner side in degree direction, the length direction that spreads all over described incontinence pad 1,21 total length, but just For the position of protuberance domain of the existence, can as long as fastening in the pass in the position of described protuberance not domain of the existence, protuberance and space Stably maintain the absorbent properties of discharged liquid, and use sense when wearing can be kept well, this protuberance domain of the existence Position just can be arranged on arbitrary position.

In described 1st and the 2nd embodiment, described absorber 4 utilizes compression groove 17 supporting with described second 5,25 Being formed in part with of connecing is concavo-convex, but is not necessarily required to arrange concavo-convex at absorber with second part abutted.Additionally, it is false Make arrange such concavo-convex in the case of, it is also possible to utilize various means only the supporting with second at absorber such as embossing processing The part connect arranges concavo-convex.

In said embodiment, it is that an example is said as absorbent commodity with incontinence pad (comprising sanitary pad) Bright, but as the absorbent commodity of the present invention, can also be sanitary napkin, disposable diaper, urine in addition to incontinence pad The various absorbent commodities such as pad.

Description of reference numerals

1,21, incontinence pad (absorbent commodity)；2,22, top flat；3, egative film；4, absorber；5,25, second；10、30、 Protuberance domain of the existence；11,31, protuberance；12,32, protuberance not domain of the existence；13,33, tabular surface；14,34, adhesive applicating district Territory；15,35, bonding agent non-coated area；16,36, space.

Claims

1. an absorbent commodity, it includes having the top flat of liquid permeability, be disposed in the one side side of this top flat and have liquid-tight Property egative film, be disposed between this top flat and egative film and the longest absorber and be disposed in this absorber with Between described top flat second, this absorbent commodity is longer on the direction of the length direction along described absorber, wherein,

Described absorbent commodity is in described top flat and any one in described second relative face, this top flat and second Face possess: multiple protuberance domain of the existences, be formed prominent towards opposite side from sheet material in the plurality of protuberance domain of the existence Solid protuberance, the plurality of protuberance domain of the existence on the direction of the length direction along described absorbent commodity parallel to each other Extend；And protuberance not domain of the existence, it is arranged between adjacent protuberance domain of the existence,

Further, described absorbent commodity described top flat with in described second relative face, this top flat and second The face being formed without described protuberance domain of the existence is formed with the tabular surface that the tip side with described protuberance abuts,

Described tabular surface has:

Multiple adhesive applicating regions, it is formed at the part relative with described protuberance domain of the existence, and edge is deposited with this protuberance The direction identical in region extends, and is coated with bonding agent；And

Multiple bonding agent non-coated area, it does not apply described bonding agent,

Described top flat and second described protuberance at described protuberance domain of the existence and the described adhesive applicating of described tabular surface The part that region abuts against mutually engages each other, and between described top flat and second, described protuberance not domain of the existence and Bonding agent is formed with space between non-coated area.

Absorbent commodity the most according to claim 1, wherein,

Described second has described protuberance domain of the existence at it by the mask of described top flat side, and described second with described The face of the side that top flat is contrary is formed as flat condition.

Absorbent commodity the most according to claim 1 and 2, wherein,

The described protuberance of described protuberance domain of the existence is formed as interspersing among the overshooting shape of sheet face.

Absorbent commodity the most according to claim 1 and 2, wherein,

Described protuberance domain of the existence is formed as the lug, nib shape extended continuously along the length direction of described absorbent commodity.

Absorbent commodity the most according to claim 4, wherein,

Described absorbent commodity on the basis of the folding line extended in the width direction to bend side freely in the longitudinal direction Formula is formed, and described protuberance domain of the existence is formed in the way of crossing over described folding line.

6. according to the absorbent commodity according to any one of Claims 1 to 5, wherein,

Described protuberance domain of the existence be disposed in the position suitable with the inner side of the width of described absorber, spread all over described suction The region of the scope of the total length of the length direction of the property received article.

7. according to the absorbent commodity according to any one of claim 1～6, wherein,

Described absorber is concavo-convex being formed in part with of abutting with described second.

8. according to the absorbent commodity according to any one of claim 1～7, wherein,

Described adhesive applicating region is coated with bonding agent with linearity.