JP4420768B2 - Interlabial pad and method for producing the same - Google Patents

Description

  TECHNICAL FIELD The present invention relates to an interlabial pad that is worn between a labia of a woman and abuts against the inner surface of the labium, and more particularly relates to an interlabial pad that does not easily cause a wearer to feel a foreign object or damage in a worn state. .

  Conventionally, sanitary napkins and tampons are generally used as feminine sanitary products. Here, with respect to sanitary napkins, great efforts have been made to prevent leakage of menstrual blood from gaps caused by poor adhesion to the vicinity of the vaginal opening. In addition, tampon also causes foreign object feeling and discomfort during wearing, and difficulty in wearing in the vagina due to the attribute of the article, and various measures have been taken to remove these. .

  Under such circumstances, as a sanitary product positioned between sanitary napkins and tampons, a sanitary product called an interlabial pad has recently attracted attention. The interlabial pad is worn by putting a part of the interlabial pad between female labia and contacting the inside of the labia. Therefore, the interlabial pad is more hygienic and safe to prevent menstrual blood from leaking due to its higher adhesion to the body than sanitary napkins and to prevent menstrual blood from spreading and coming into wide contact with the body. Clean. Moreover, since it is smaller than a sanitary napkin, it is comfortable and comfortable to wear, and has a characteristic that psychological resistance when worn is lower than a tampon inserted into the vagina.

  As interlabial pads having such characteristics, those having various structures have been developed. For example, in Patent Document 1 below, the back sides of each of the interlabial pads are creased along the longitudinal central axis. An interlabial pad is disclosed that is folded in two so as to face each other and the back sides are joined by at least one joint.

  Further, as another known example 1, a liquid-permeable front side sheet, a liquid-impermeable back side sheet, and an absorber interposed therebetween, the back side sheet on the clothing side has an interlabial pad. A semi-circular nipping portion is provided between the labia, and a product in which the back side sheet and the absorbent body are embossed at the same time has been developed in the United States since May 2000 in 2001. It is sold on a trial basis until around May (Procter & Gamble Co., product name: Envive).

Further, as another known example 2, an interlabial pad is known in which the absorbent body is covered with a liquid-permeable surface side sheet and the front and rear ends are cut (trade name: INSYNC, manufactured by A-Fem Medical Corp.). ).
International Publication No. WO02 / 100315 Pamphlet

  In each of the above-described interlabial pads of the above-described prior art, the end face of the sheet is exposed at the rear end portion on the side facing the perineum of the labia when worn, and the treatment of the end face has not been studied.

  FIG. 18 is a schematic diagram when the interlabial pad 500 is worn on the labia 610 of the wearer 600. In the figure, 650 indicates the abdomen side of the wearer 600, 630 indicates the anus, and 640 indicates the buttocks side. As shown in FIG. 18, in the upright wearer 600, the perineum 620 is raised substantially in the vertical direction. On the other hand, the interlabial pad 500 to be worn is worn in a substantially horizontal direction. Therefore, the rear end portion of the interlabial pad 500 that goes in the horizontal direction when worn is in contact with the perineum 620 that is raised in the vertical direction at a substantially right angle.

  For example, the rear end portion of the above-described known example 2 is very hard because it is composed of the surface side sheet and the end face of the absorber. For this reason, when the rear end portion contacts the perineum at a right angle, not only does the wearer feel a foreign object, but the risk of damaging the body increases. Further, the rear end portion of the known example 1 is composed of the end surfaces of the front side sheet and the back side sheet, and is further folded in two so that it is not only hard but sharp, and the rear end portion contacts the perineum at a right angle. This increases the risk of damaging your body.

  This invention is made | formed in view of the above subjects, The objective is to provide the interlabial pad which can prevent giving a foreign body feeling or damage to a wearer in a wearing condition. .

  More specifically, the present invention provides an interlabial pad having the following configuration.

  (1) An absorbent body capable of absorbing bodily fluids and a sheet covering the surface of the absorbent body, and having a substantially vertically long shape having a longitudinal direction and a lateral direction, and the body when worn by the sheet A labial lip that is formed between a labial side and a body side facing the side, and an anti-body side located on the opposite side of the labial side. The interlabial pad is subjected to an end surface treatment so that an end surface of the sheet is not exposed at a rear end portion which is a side toward the perineum of the labium when worn, among both ends in the longitudinal direction.

  According to the interlabial pad of the present invention, the end surface treatment is performed so that the end surface of the sheet at the rear end portion is not exposed to the inner labia inner wall surface side. For this reason, even if the rear end of the interlabial pad comes into contact with the perineum almost at right angles, the end surfaces of the constituent materials such as the sheet and the absorber do not come into contact with the perineum. It becomes difficult.

  In the present invention, the “sheet covering the surface of the absorbent body” may be a series of sheets covering the entire absorbent body, and the body side surface and the anti-body like the top sheet and the back sheet. Two different types of sheets may be used for the side surfaces, or three or more types of sheets may be used.

  (2) In the rear end portion, the end surface treatment is performed by the sheet continuously covering the periphery of the end portion of the absorber from the opposite body side surface to a part of the body side surface. Interlabial pad.

  According to this aspect, by continuously covering the periphery of the end portion of the absorbent body with the sheet from the non-body side surface to a part of the body side surface, not only the end surface of the sheet but also the end surface of the absorbent body can be prevented from being exposed. In addition, since the sheet covering the end of the absorber serves as a breakwater by covering the part of the body from the side opposite to the body, excessive menstrual blood that has reached the rear end of the absorber, etc. Can effectively prevent the body fluid from overflowing from the end face of the absorber.

  (3) In the rear end portion, the end surface treatment is performed by the sheet continuously covering the periphery of the end portion of the absorber from the body side surface to a part of the non-body side surface. Interlabial pad.

  According to this aspect, the exposure of not only the end surface of the sheet but also the end surface of the absorber can be prevented as in (2) above. In addition, by covering the body side surface so as to be wrapped around a part of the anti-body side surface, excessive body fluid such as menstrual blood that has reached the rear end of the absorber is reflected along the sheet covering the end surface of the absorber. Since it is guided to the body surface side, when a napkin is used simultaneously below the interlabial pad, the body fluid can be effectively transferred to the napkin.

  (4) The interlabial pad according to any one of (1) to (3), wherein the end surface treatment is also performed at a tip portion located on the opposite side of the rear end portion from both ends in the longitudinal direction.

  According to this aspect, the front end portion is treated in the same manner as the rear end portion, so that menstrual blood from the end surface of the absorber on the front end side can also be prevented from overflowing. Can be prevented.

  (5) The sheet is composed of a series of substantially vertically long sheets having both long sides having a length of twice or more of the longitudinal direction and both short sides having a length of the short direction or more, The sheet is wound along the entire circumference in the longitudinal direction of the absorber so that the vicinity of both short sides overlaps on the side opposite to the body, and the long side of the sheets at the peripheral edge of the absorber The interlabial pad according to any one of (1) to (4), wherein is bonded.

  According to this aspect, the end face processing of the front end portion and the rear end portion can be simultaneously performed by winding a single sheet along the entire circumference in the longitudinal direction of the absorber. Also, since there is no special folding structure with only one sheet, the interlabial pad can be provided at low cost.

  (6) The interlabial pad according to (5), wherein overlapping portions in the vicinity of both short sides form a finger insertion portion for inserting and attaching a wearer's finger.

  According to this aspect, the finger insertion portion is formed simultaneously with the end face processing by folding one sheet without using another component member. Therefore, the interlabial pad can be more easily and reliably attached by inserting a finger into the finger insertion portion.

  (7) The sheet includes a liquid-permeable sheet provided on the body side surface and a liquid-impermeable sheet provided on the non-body side surface, and the liquid-permeable sheet and / or the liquid-impermeable sheet is provided. The interlabial pad according to any one of (1) to (4), wherein the end surface treatment is performed by continuously covering the periphery of the end of the absorber.

  According to this aspect, even when separate sheets are used for the body side surface and the anti-body side surface, by covering at least one of the sheets so as to wrap around a part of the anti-body side surface from the body side surface, Even if the rear end portion of the pad comes into contact with the perineum almost at right angles, the end surfaces of the constituent materials such as the sheet and the absorber do not come into contact with the perineum. Moreover, since the sheet | seat which covers the edge part of an absorber becomes a role of a breakwater, it can prevent effectively that the excess bodily fluid which reached to the rear-end part of an absorber overflows from an absorber end surface.

  (8) The sheet includes a liquid-permeable sheet provided on the body side surface and a liquid-impermeable sheet provided on the non-body side surface, and at the peripheral edge of the absorber, the liquid-permeable sheet and the A joint part formed by joining a liquid-impermeable sheet is formed, and the end surface treatment is performed by folding back the joint part at the rear end part. (1) to (4) pad.

  The joint end face where the two sheets are joined at the peripheral edge of the absorber is likely to become hard due to the sheet thickness being doubled or the influence of the bonding agent, and the wearer is likely to feel a foreign object or damage. However, according to this aspect, since the joint portion is folded back, it is possible to prevent exposure of the end face of the rear end portion that is likely to be hard.

  (9) A packaging body in which the interlabial pad described in (6) is accommodated in an individual packaging container, and the finger insertion opening of the finger insertion part is disposed near the opening of the individual packaging container A package in which the interlabial pad is accommodated.

  According to this package, since the opening of the individual packaging container and the finger insertion opening of the finger insertion part of the interlabial pad are oriented in the same direction, when opening the individual packaging container, The interlabial pad can be taken out by inserting a finger as it is. Therefore, an extra take-out operation becomes unnecessary. Further, since the interlabial pad can be taken out as it is with the finger inserted, there is no need to grasp the interlabial pad by hand, which is hygienic.

  (10) It comprises an absorbent body capable of absorbing bodily fluids and a sheet covering the surface of the absorbent body, and has a substantially vertically long shape having a longitudinal direction and a short side direction. A labial side that is formed between a labial side and a side of the body that is opposite to the side of the labial side. A method of manufacturing an inter-pad, wherein the absorbent body is aligned with the longitudinal direction of the absorbent body on a long continuous sheet having a width that is at least twice as long as the longitudinal direction and moves at a predetermined speed. An absorbent body arranging step of arranging the absorbent body at intervals, an overlapping step of winding the continuous sheet along the entire circumference in the longitudinal direction of the absorbent body so that upper and lower ends of the continuous sheet overlap, and the width direction Along the absorber And side bonding step of bonding the continuous sheet between the vicinity of the side portion, the manufacturing method of the interlabial pad comprising a cutting step of cutting the bonded sides.

  According to the production method of the present invention, after the continuous sheet is wound along the entire circumference in the longitudinal direction of the absorbent body, the end surface treatment is possible by a simple process of joining and cutting both sides of the continuous sheet. End face processing of the rear end portion is possible at the same time. Further, since there is no special folding structure with only one sheet, the interlabial pad can be manufactured at low cost.

  (11) The method for producing the interlabial pad according to (10), wherein the overlapping portions are provided so that the overlapping portions of the upper and lower ends of the continuous sheet form a finger insertion portion for inserting and attaching a wearer's finger. .

  According to this aspect, the finger insertion part can be formed simultaneously with the end face processing by appropriately adjusting the overlap width in the overlap step. Therefore, it is not necessary to provide a separate step for forming the finger insertion portion, and a reduction in production efficiency can be prevented.

  According to the present invention, the end surface of the sheet covering the surface of the absorbent body at the rear end portion of the interlabial pad is processed, and the end surface is not exposed to the perineum side. For this reason, when wearing the interlabial pad, there is a risk of giving the wearer a foreign body feeling or damaging the body even if the rear end portion contacts the perineum at an angle close to a right angle Can be greatly reduced.

  Hereinafter, each embodiment of the present invention will be described with reference to the drawings. In the following description of the embodiment, the same constituent elements are denoted by the same reference numerals, and the description thereof is omitted or simplified.

[First Embodiment]
<Overall configuration of interlabial pad>
1 and 2 show an interlabial pad 100 according to a first embodiment of the present invention. Figure 1 is a perspective view of the interlabial pad 100 from the opposite body side face 13, FIG. 2 is a sectional view taken along the Y ₁ -Y ₂ line in FIG.

  As shown in FIG. 1, the interlabial pad 100 has a substantially rectangular parallelepiped shape as a whole, and the absorbent body 20 is covered with a liquid-permeable sheet 10. Further, the sheet 10 is joined at the left and right side joints 17 and 18.

  Referring also to FIG. 2, the sheet 10 is folded back from the distal end portion 11 of the absorber 20 to the non-body side surface 13, and is further folded from the rear end portion 12 of the absorber 20 to the anti-body side surface 13. The folded portion 19 of the sheet 10 folded from the rear end portion 12 partially overlaps with the sheet 10 folded from the leading end portion 11 to form an overlap portion 15.

  Further, by joining the side joints 17 and 18 in this state, the finger insertion part 26 having the finger insertion port 25 as an opening is formed between the non-body side face 13 and the end face 16 of the folded part 19. ing.

The length W ₁ of the folded portion 19 may be a length that allows the interlabial pad 100 to be held by a finger when the finger is put into the finger insertion opening 25. Specifically, it is preferably 10% or more with respect to the longitudinal dimension of the interlabial pad 100 from the rear end portion 12 of the interlabial pad 100, more preferably in the range of 10-80%, particularly preferably 30-60%. Range. As a more specific numerical value, a range of 20 to 100 mm from the rear end portion 12 of the interlabial pad 100 is preferable, and a range of 30 to 80 mm is more preferable.

In this regard, the length W ₁ is less than 10% of the folded portion 19, or can not be held sufficiently interlabial pad shorter and a finger 20 mm. On the other hand, if it is larger than 80% or larger than 100 mm, it is difficult to remove the finger from the finger insertion opening after the interlabial pad is mounted. Therefore, the above-mentioned dimensions are preferable.

Overlap width _{W 2} of the overlap portion 15 is preferably in the range of of 30 to 120 mm, more preferably in the range of 40 to 80 mm. In this respect, if W ₂ is less than 30 mm, easily peeling the sheet 10 are joined with the side bonding portions 17 and 18, it becomes impossible to form a finger insertion opening 25. In addition, since the finger and the absorbent body 20 are not in direct contact with each other when the finger is inserted into the finger insertion opening 25, the finger can be removed smoothly. If it is larger than 120 mm, the interlabial pad cannot be stably held with a finger. Therefore, the above-mentioned dimensions are preferable.

<Method for producing interlabial pad>
FIG. 3 is a schematic view illustrating a manufacturing process of the interlabial pad 100 according to the present embodiment. First, on the long and continuous sheet 10 having a width that is twice or more in the longitudinal direction and moving at a predetermined speed, the longitudinal direction of the absorbent body 20 that has been shaped in advance in the longitudinal direction is aligned with the width direction of the sheet 10, An “absorber arrangement step” is performed in which the absorber is arranged at a predetermined interval. Next, an “overlap step” is performed in which the sheet 10 is wound along the entire circumference in the longitudinal direction of the absorbent body 20 so that the upper and lower ends of the continuous sheet overlap. In this case, the folding width and the overlap width are preferably set to be the above W ₁ and W 2. After that, along the width direction, a “side joining step” in which the continuous sheets in the vicinity of both side portions of the absorbent body 20 are joined by the joining means 30 is performed to form the side joining portion 17 (18). Then, the interlabial pad 100 can be obtained by a “cutting step” that is finally cut by the cutting means 40. In addition, this process is performed while moving the sheet 10 continuously or intermittently along the arrow direction in FIG. 3 and performing the joining means 30 and the cutting means 40 at a predetermined timing, thereby continuously providing the interlabial pad 100. Can be manufactured.

  Examples of the joining means 30 include a method of physically biting with an embossed pattern having irregularities, a method of applying heat at the time of embossing to thermally fusing the sheets 10 together, a method of joining via an adhesive, and the like. It is done. These methods may be performed alone or in combination. In addition, it is preferable that the embossing is not performed at the location where the side joints 17 and 18 are cut because the flexibility of the cut surface is easily obtained.

The embossing pattern for embossing can be employed without any particular limitation, such as a dot shape, a lattice shape, or a wave shape. As a specific example of the convex shape, the height is in the range of 0.1 to 2 mm, the interval is in the range of 0.2 to 10 mm, and the concave shape is a shape that engages with this. More specifically, two rows are arranged so that the embossed portions in each row are adjacent to each other with an area of 0.7 mm ² per stroke, the interval between the adjacent embossed portions is 1 mm, and the embossed portions in each row are alternated. The embossed pattern is a processed embossed pattern at a location 1 to 10 mm away from both side edges of the absorber. In the case of heat fusion, heat may be applied at a temperature equal to or higher than the softening point of the constituent material, and the specific means may be heat embossing or ultrasonic processing.

  In the case of using an adhesive, a pressure-sensitive adhesive or a heat-sensitive adhesive mainly composed of rubbers such as SEBS, SBS, and SIS, or olefins such as linear low-density polyethylene, and polyvinyl alcohol comprising a water-soluble polymer. , Carboxylmethylcellulose, gelatin and the like, or water-sensitive adhesives such as polyvinyl acetate and sodium polyacrylate made of a water-swellable polymer. Especially, even if body pressure is applied to the interlabial pad and the adhesive oozes out to the outer surface of the interlabial pad, it is preferable to use a heat-sensitive adhesive that does not have tackiness at that time. Specific examples include those obtained by melt mixing 5 to 25% SEBS, 40 to 60% alicyclic saturated hydrocarbon, 1 to 10% aromatic modified terpene, and 15 to 35% additive. It is done.

The application position of the adhesive is not particularly limited as long as it is applied to the side joints 17 and 18, but is on the side opposite to the body 13 of the absorbent body 20 in consideration of the liquid absorbency. It is preferable that it is applied to the edge or the periphery. Adhesive coating patterns include spiral coating, control seam coating, coater coating, curtain coater coating, and summit gun coating. Among them, the summit that can make the pitch between the joint and non-joint fine. Gun coating is preferred. Basis weight of the adhesive is in the range of 1 to 30 g / ^{m 2,} preferably in the range of 3 to 10 g / ^{m 2.} Moreover, if the adhesive is a pattern coated in a linear shape, the wire diameter is preferably in the range of 30 to 300 μm. This means that if the basis weight is less than 1 g / m ² or the wire diameter is less than 30 μm, the adhesive is buried between the fibers when the surface side sheet is composed of a fiber assembly. I cannot get a bonding force. On the other hand, when the basis weight is larger than 30 g / m ² or the wire diameter is larger than 300 μm, the peripheral edge becomes stiff.

<Other examples of interlabial pad>
FIG. 4 shows another example of the interlabial pad in the present embodiment. The interlabial pad 110 is different from the interlabial pad 100 described above in that a liquid-impervious material 27 is provided between the sheet 10 and the absorber 20 at the rear end portion 12. Thereby, menstrual blood is unlikely to overflow from the rear end portion 12 of the absorbent body 20.

Examples of the material of the liquid poorly permeable material 27 include polyethylene, polypropylene, polyethylene terephthalate, polyvinyl alcohol, polylactic acid, polybutyl succinate, nonwoven fabric, paper, and laminate materials thereof having a thickness of 15 to 60 μm. Moreover, the air permeable film obtained by being filled with an inorganic filler and performing a extending | stretching process may be sufficient. Specifically, a film prepared mainly with a low density polyethylene resin and adjusted in a range of 15 to 30 g / m ² , and further adjusted in a range of pore diameters of 0.1 to 0.6 mm with an aperture area ratio of 10 to 30%. Breathable film. Examples of the nonwoven fabric include a spunbond nonwoven fabric, a point bond nonwoven fabric, a through-air nonwoven fabric, and the like, and these may be subjected to a water repellent treatment. Among these, an SMS (spunbond / meltblown / spunbond) nonwoven fabric including a meltblown made of ultrafine fibers and having a very small interfiber distance is preferable. In this case, the basis weight spunbond layer 5 to 15 g / ^{m 2,} the meltblown layer 1~l0g / ^{m 2,} is preferably configured in the range of spunbond layer 5 to 15 g / ^{m 2.}

  Moreover, the adhesive mentioned above may be applied more than other area | regions, or a water-repellent process may be provided in the absorber and / or sheet | seat. Adhesive coating patterns include spiral coating, control seam coating, coater coating, curtain coater coating, summit gun coating, etc. Among them, coater coating is used to increase liquid permeability. preferable. Furthermore, even if the liquid hardly permeable material is not provided, the liquid hardly permeable may be increased by embossing the rear end of the absorber and / or the sheet. The embossed pattern is not particularly limited to a dot shape, a lattice shape, a wave shape, or the like, but a flat shape is preferable in order to improve liquid permeability.

  FIG. 5 shows another example of the interlabial pad in the present embodiment. The interlabial pad 120 has the above-described interlabial pad 100 in that the first refolding portion 19e is formed by folding the sheet 10 at the tip of the folding portion 19 inward again in the overlap portion 15 in FIG. Is different. Thereby, since the front opening of the finger insertion opening 25 is firmly maintained, it becomes easy to put the finger smoothly.

  FIG. 6 shows still another example of the interlabial pad in the present embodiment. In the interlabial pad 130, the end surface 16 of the front end sheet 10 of the folded portion 19 is folded back to the rear end portion 12 of the absorbent body 20 in the overlap portion 15 in FIG. 1 to form a second refolded portion 19f. The point differs from the interlabial pad 100 described above. Thereby, menstrual blood is more unlikely to overflow from the rear end of the absorber.

  FIG. 7 shows still another example of the interlabial pad in the present embodiment. In this interlabial pad 140, the sheet 10 at the side joints 17 and 18 is folded back to the non-body side surface 13 to form the side joint folded parts 17a and 18b. This is different from the interlabial pad 100 described above in that the end face is not provided. This makes it difficult for the wearer to feel a foreign object even if the body touches the entire periphery of the interlabial pad.

<Example of interlabial pad shape>
There is no particular limitation as long as it is a shape that fits the labia of a woman, such as an oval shape, a saddle shape, and a saddle shape. The total dimension of the outer shape is preferably 40 to 180 mm in the longitudinal direction, and more preferably 80 to 120 mm. The width direction is preferably 20 to 100 mm, more preferably 50 to 80 mm. The total dimension in the width direction shown here is the total dimension extending in the vertical direction in the wearing state. Further, the entire interlabial pad may fit between the labia or there may be an area exposed from between the labia. The interlabial pad may be made of a water-disintegrating material or a biodegradable material so that it can be washed with water.

<Packaging body>
FIG. 8 is a view showing a package 300 of the interlabial pad 100 in the present embodiment. The interlabial pad 100 is enclosed in a sheet-like individual packaging container 200. The individual packaging container 200 is made of films 210 and 220, and the peripheral portions are joined so as to surround the interlabial pad 100.

  At the time of opening, opening starts from the top of the film 210 (in the direction of the tip of the interlabial pad 100), and then the vicinity of both sides is opened. When the opening 230 is formed and the finger insertion opening 25 of the interlabial pad 100 is exposed (state of FIG. 8), the interlabial pad 100 can be taken out from the individual packaging container 200 by inserting a finger.

  Although the form of the interlabial pad 100 enclosed in the individual packaging container 200 is not particularly limited, the individual packaging container 200 is opened, and at the same time, has the opposite body side of the interlabial pad 100 or the finger insertion port. If present, it is preferable to expose the finger insertion opening 25 because the interlabial pad can be removed from the individual packaging container in a sanitary and smooth manner.

  Examples of the films 210 and 220 of the individual packaging container 200 include polyethylene, polypropylene, polyethylene terephthalate, polyvinyl alcohol, polylactic acid, polybutyl succinate, or nonwoven fabric, paper, and laminate materials thereof having a thickness of 15 to 60 μm. Further, it may be made of a water-disintegrating material or a biodegradable material so that it can be washed with water.

Specifically, a film prepared by mixing a low density polyethylene resin in a range of 0 to 80% and a high density polyethylene in a range of 100 to 20% and adjusting the basis weight in a range of 15 to 35 g / m ² can be given. Furthermore, the film which extended | stretched in order to improve orientation is mentioned. Examples of the nonwoven fabric include a spunbond nonwoven fabric, a point bond nonwoven fabric, an air-through nonwoven fabric, and the like, and these may be subjected to water repellent treatment. Among these, an SMS (spunbond / meltblown / spunbond) nonwoven fabric including a meltblown made of ultrafine fibers and having a very small interfiber distance is preferable. In this case, the basis weight spunbond layer 5 to 15 g / ^{m 2,} the meltblown layer 1~l0g / ^{m 2,} is preferably configured in the range of spunbond layer 5 to 15 g / ^{m 2.} Further, the individual packaging container 200 is preferably capable of blocking the color of the body fluid absorbed by the interlabial pad. Specifically, the pigment may be mixed within a range of 0.2 to 10%, or ink may be printed. It can be illustrated.

[Second Embodiment]
<Form of interlabial pad>
9 to 11 show an interlabial pad 150 according to a second embodiment of the present invention. 9 is a perspective view of the interlabial pad 150, FIG. 10 is a cross-sectional view taken along line Y ₃ -Y ₄ in FIG. 9, and FIG. 11 is a plan view of the interlabial pad 150. In this interlabial pad 150, the sheet 10 is composed of a liquid-permeable sheet 10 a on the surface constituting the body side surface 14 and a liquid-impermeable sheet 10 b on the surface constituting the anti-body side surface 13. 21 is mainly different from the interlabial pad 100 according to the first embodiment in that both sheets are integrated with each other.

  As shown in FIGS. 9 to 11, an absorbent body 20 is interposed between the sheet 10 a and the sheet 10 b. The vicinity of the rear end portion 12 of the peripheral joint 21 is folded back to the body side surface 14 to form a folded portion 19a.

  As shown in FIG. 11, since the folded portion 19a is folded back to the body side surface 14, the rear end portion 12 of the interlabial pad 150 is linear. The total width of the rear end portion 12 is 5 mm or more, preferably 15 mm. This is because if the total width is smaller than 5 mm, the shape of the rear end portion 12 becomes sharp, and there is a possibility of giving a foreign object feeling when contacting the perineum.

The length of the folded portion 19a W ₃ only needs to be folded to a position that covers the rear end portion 12 of at least the absorbent body 20. Specifically, it is in the range of 1 to 30 mm, preferably 5 to 15 mm from the rear end 12 of the absorber. If it is smaller than 1 mm, the end surfaces of the sheet 10a and the sheet 10b may be in contact with the perineum. If it is larger than 30 mm, the end surface 16 of the 10b sheet and the sheet 10b may be in contact with the vaginal opening. is there. In FIG. 9, the sheet 10a and the sheet 10a are only folded back to the body side face 14, but the end face 16 is processed so that the end face 16 is not exposed by folding the folded end face further inward. Also good.

  The inner surface of the folded portion 19a and the sheet 10a on the body side surface 14 may or may not be joined. However, it is preferable not to be joined because menstrual blood flowing along the surface of the sheet 10a can be received. In this case, the distance between the inner surface of the folded portion 19a and the sheet 10a is preferably in the range of 0.5 to 10 mm, and more preferably in the range of 2 to 5 mm. If it is smaller than 0.5 mm, it is difficult to sufficiently receive menstrual blood flowing along the surface of the sheet 10a, and if it is larger than 10 mm, the received menstrual blood may overflow again.

  The shape of the rear end portion 12 of the absorber 20 is not particularly limited, such as an elliptical shape or a straight shape. However, the rear end portion 12 of the absorber 20 is folded back by being linear as shown in FIG. Since it becomes a starting point, the folding | returning part 19a can be easily folded back to the body side surface 14, and is preferable.

  Moreover, like the interlabial pad 160 of FIG. 12, an absorbent body recess 28 that curves inward may be formed in the vicinity of the rear end portion 12 of the absorbent body 20. Thereby, since a recessed space is formed between the rear end portion 12 of the interlabial pad and the rear end portion of the absorbent body 20, even if the rear end portion 12 of the interlabial pad comes into contact with the perineum, it can be buffered in the space. , It becomes more difficult to give the wearer a foreign body feeling. In addition, if the shape of the absorber 20 whole is vertically long, it will not specifically limit, such as an ellipse shape, a square shape, and a saddle shape.

[Third Embodiment]
<Form of interlabial pad>
13 to 15 show the interlabial pad 170 in this embodiment. 13 is a perspective view of the interlabial pad 170, FIG. 14 is a cross-sectional view taken along line Y ₅ -Y ₆ in FIG. 13, and FIG. 15 is a plan view of the interlabial pad 170.

  The interlabial pad 170 is different from the interlabial pad 150 according to the second embodiment in that the folded portion 19b is formed on the anti-body side surface 13. That is, in the interlabial pad 150, the folded portion 19a of the rear end portion 12 is folded back to the body side surface 14, whereas in the interlabial pad 170, the folded portion 19b of the rear end portion 12 is 13 is returned.

  The length of the preferable folding | turning part 19b should just be folded back to the position which covers the rear-end part of the absorber 20 at least. Specifically, what is necessary is just 1 mm or more from the rear-end part of an absorber. This is because if it is smaller than 1 mm, menstrual blood overflowing from the rear end of the absorber cannot be sufficiently received.

  Further, the folded portion 19b and the sheet 10b may or may not be joined, but the folded portion 19b and the folded portion 19b are separated from the sheet 10b without being joined as shown in FIG. A gap is generated between the sheet 10b. Since the position of the folded portion 19b is lowered by this gap, when the napkin 400 is used at the same time, it becomes easy to maintain contact with the surface 410 of the napkin 400. For this reason, menstrual blood guided to the non-body side surface 13 along the sheet 10a can be reliably transferred to the napkin 400 side.

  FIG. 16 shows another example of the interlabial pad in the present embodiment. In the interlabial pad 180, the sheet 10b extending from the anti-body surface 13 is folded back to the body side surface 14 and the end surface 16d wraps around the body side surface 14 to form a folded portion 19d. Further, the sheet 10a of the body surface 14 is folded back to the non-body side surface 13, and the end surface 16c wraps around the anti-body side surface 13 to form a folded portion 19c.

  As a result, menstrual blood that overflows from the rear end of the absorbent body 20 can be prevented from leaking by the liquid-permeable sheet 10b, and even if menstrual blood that exceeds the absorbent capacity of the absorbent body 20 is excreted, the skin remains intact. Can be induced to the anti-body side surface 13 (the napkin side when the napkin is used together) along the sheet 10a.

  FIG. 17 shows another example of the interlabial pad in the present embodiment. The interlabial pad 190 is different from the above-described embodiment in that folded portions 19 c and 19 d similar to the rear end portion 12 are formed not only at the rear end portion 12 but also at the front end portion 11. Thereby, not only menstrual blood flowing backward but also menstrual blood flowing forward can be received.

  INDUSTRIAL APPLICABILITY The present invention can be used as an interlabial pad that is sandwiched between the labia of a woman and worn while being in contact with the inner surface of the labia.

It is a perspective view of the interlabial pad which concerns on 1st Embodiment of this invention. It is a sectional view taken along the _Y 1 -Y ₂ line in FIG. It is a schematic process drawing which shows the manufacturing process of the interlabial pad which concerns on 1st Embodiment of this invention. It is sectional drawing which shows the other example of the interlabial pad which concerns on 1st Embodiment of this invention. It is sectional drawing which shows the further another example of the interlabial pad which concerns on 1st Embodiment of this invention. It is sectional drawing which shows the further another example of the interlabial pad which concerns on 1st Embodiment of this invention. It is a perspective view which shows the further another example of the interlabial pad which concerns on 1st Embodiment of this invention. It is a perspective view of the package which accommodated the interlabial pad which concerns on 1st Embodiment of this invention. It is a perspective view of the interlabial pad which concerns on 2nd Embodiment of this invention. FIG. 10 is a cross-sectional view taken along line Y ₃ -Y ₄ in FIG. 9. It is a top view of the interlabial pad which concerns on 2nd Embodiment of this invention. It is a top view which shows the other example of the interlabial pad which concerns on 2nd Embodiment of this invention. It is a perspective view of the interlabial pad which concerns on 3rd Embodiment of this invention. FIG. 14 is a cross-sectional view taken along line Y ₅ -Y ₆ in FIG. It is a top view of the interlabial pad which concerns on 3rd Embodiment of this invention. It is sectional drawing which shows the other example of the interlabial pad which concerns on 3rd Embodiment of this invention. It is sectional drawing which shows the other example of the interlabial pad which concerns on 3rd Embodiment of this invention. It is a conceptual diagram which shows the mounting state to the wearer of the conventional interlabial pad.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Sheet | seat 10a Top sheet | seat 10b Back sheet | seat 11 Front-end | tip part 12 Rear-end part 13 The opposite body surface side 14 The body surface side 15 Overlap part 16, 16a, 16b, 16c, 16d End surface 17, 18 Side joint part 17a, 18a Junction folding part 19, 19a, 19b, 19c, 19d Folding part 19e First refolding part 19f Second refolding part 20 Absorber 21 Peripheral joint part 25 Finger insertion port 26 Finger insertion part 27 Liquid poorly permeable material 28 Absorbing pair Recess 30 Bonding means 40 Cutting means 50 Gap 100, 110, 120, 130, 140, 150, 160, 170, 180, 190 Interlabial pad 200 Individual packaging container 210, 220 Film 230 Opening 300 Packaging 400 Napkin 410 Surface W ₁ folding width W ₂ overlap width W ₃ folding width

Claims (10)

An absorbent body capable of absorbing bodily fluids, and a sheet covering the surface of the absorbent body,
A substantially longitudinal shape having a longitudinal direction and a transverse direction;
The seat forms a body side surface facing the body side when worn and an anti-body side surface located on the opposite side, and the body side surface is in contact with the labial inner wall so that the body side surface touches the inner labia wall surface when worn. In the interlabial pad that is sandwiched and worn,
Among the ends in the longitudinal direction, at one end, the sheet is continuously covered around the end of the absorber ,
The sheet has a folded portion folded over a part of the side opposite to the body;
The folded portion is joined to the sheet along at least a side edge in a longitudinal direction of the sheet,
An interlabial pad in which an opening is formed between a folded end of the folded portion and the opposite body side surface of the sheet . 2. The interlabial pad according to claim 1, wherein a part of the folded-back portion and the non-body side surface of the sheet constitutes a finger insertion portion for inserting and attaching a wearer's finger. The longitudinal direction among both ends, the other also in the end, the interlabial pad according to claim 1 or 2, wherein before Kisho management have been made on the opposite side to the one end. The sheet is composed of a series of substantially vertically long sheets having both long sides having a length that is at least twice as long as the longitudinal direction and both short sides having a length that is not less than the short direction. Wrapped along the entire circumference in the longitudinal direction of the absorber so that the vicinity of both short sides overlaps on the side opposite to the body, and the long sides of the sheets are joined at the peripheral edge of the absorber. The interlabial pad according to any one of claims 1 to 3 . The interlabial pad according to claim 4, wherein overlapping portions in the vicinity of both short sides form a finger insertion part for inserting and attaching a wearer's finger. The sheet includes a liquid-permeable sheet provided on the side surface of the body and a liquid-impermeable sheet provided on the side surface opposite to the body, and the liquid-permeable sheet and / or the liquid-impermeable sheet is absorbed. body interlabial pad according to any one of claims 1 to previous Kisho management have been made of 5 by the end periphery continuously cover the. The sheet includes a liquid-permeable sheet provided on the body side surface and a liquid-impermeable sheet provided on the non-body side surface, and the liquid-permeable sheet and the liquid-impermeable material are formed at a peripheral portion of the absorber. The joint part with which the adhesive sheet was joined is formed,
Interlabial pad according to any one of claims 1 to 5, Kisho management have been made before by folding the joint portions in the one end. The interlabial pad according to claim 5, wherein the interlabial pad is housed in an individual packaging container, and the interlabial pad is arranged such that a finger insertion opening of the finger insertion portion is disposed near an opening of the individual packaging container. A package containing pads. An absorbent body capable of absorbing bodily fluids, and a sheet covering the surface of the absorbent body,
A substantially longitudinal shape having a longitudinal direction and a transverse direction;
The sheet forms a body side surface that faces the body side when worn and an anti-body side surface that faces the clothing side when worn, and when worn, the body side surface is in contact with the inner labia so that the body side surface is in contact with the inner labia inner wall surface. A method of manufacturing an interlabial pad to be sandwiched and worn,
Absorption in which the absorbent body is arranged at predetermined intervals with the longitudinal direction of the absorbent body aligned in the width direction on a long continuous sheet having a width of at least twice the longitudinal direction and moving at a predetermined speed. A body placement process;
Wrapping the continuous sheet along the entire circumference in the longitudinal direction of the absorbent body, and an overlapping step of overlapping the upper and lower ends of the continuous sheet;
A side joining step for joining the continuous sheets in the vicinity of both sides of the absorber along the width direction;
A method of manufacturing the interlabial pad, comprising: a cutting step of cutting the joined side portions. The manufacturing method of the interlabial pad of Claim 9 which provides the said overlap part so that the overlap part of the upper and lower ends of the said continuous sheet may form the finger insertion part for inserting and attaching a wearer's finger | toe.

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