JP4010676B2 - Shorts-type absorbent article for women - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a shorts-type absorbent for women comprising a liquid-permeable top sheet, a liquid-impermeable back sheet, and a liquid-retaining absorbent disposed at least at the position corresponding to the crotch between both sheets. It relates to sex goods.
[0002]
[Prior art and problems to be solved by the invention]
As disposable absorbent articles, sanitary napkins, incontinence pads, panty liners, etc. used by attaching to underwear etc. are known, and these are generally liquid-permeable layers on the skin contact surface side, It consists of a liquid-impermeable layer on the non-skin contact surface side, and an absorbent portion interposed between the liquid-permeable layer and the liquid-impermeable layer.
[0003]
In addition, a tape-fastening type and a pants-type disposable diaper that can be directly attached to the body without using underwear or the like are also known.
[0004]
However, such a disposable diaper is preferably provided with a predetermined gap with the absorbent body, particularly in the buttocks and crotch, so that the solids discharged from the human body can be effectively captured. . Therefore, even if this is applied as it is as a shorts-type absorbent article for women having an absorbent body, it does not fit well into the crotch, so it cannot effectively absorb liquids such as body fluids and urine, It will also cause leakage.
[0005]
The present invention provides a shorts-type absorbent article useful for women, which has a function of effectively absorbing a liquid component discharged from a human body by fitting a liquid-retaining absorbent body to a user's crotch. The purpose is to do.
[0006]
[Means for Solving the Problems]
The present invention comprises a liquid-permeable top sheet, a liquid-impermeable back sheet, and a liquid-retaining absorber disposed between the two sheets at least at a position corresponding to the crotch portion when worn. A shorts-type absorbent article for women in which an abdominal leg elastic member and a back leg elastic member are arranged on the part, and in the position corresponding to the crotch, on the back sheet side of the absorbent body, Extending linearly in a direction perpendicular to the longitudinal direction of the absorbent body, at least one absorbent elastic member is formed into the absorbent body and the ventral leg elastic member and the back leg elastic located on both sides of the absorbent body. A crossing direction of the absorber at a portion where both ends thereof are bonded and fixed to the abdominal leg elastic member and the back leg elastic member, and the absorbent elastic member intersects. Center The basis weight of min, by providing a feminine shorts type absorbent article is higher than the basis weight of its both side portions, it is obtained by achieving the above object.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
As shown in FIG. 1, a female shorts-type absorbent article 10 according to a preferred embodiment of the present invention is directly attached to a woman's body as shorts and used as a sanitary napkin, for incontinence, for puerperium, etc. It is.
[0008]
And as shown in FIG.2 and FIG.3, this shorts type absorbent article 10 for women is the liquid-permeable topsheet 11 located in the inner side at the time of wearing, ie, the skin contact surface side, and the outer side at the time of wearing. A liquid-impermeable back sheet 12 and a substantially vertically long liquid-retaining absorbent body 13 disposed between the sheets 11 and 12 at a position corresponding to the crotch portion when worn. The left and right side edge portions 15 of the side portion 14 and the left and right side edge portions 17 of the back side portion 16 are joined at the joint portion 18 to form a shorts for women as shown in FIG.
[0009]
Further, the feminine shorts type absorbent article 10, in the waist portion positioned at the end portion of the upper and lower in FIG. 2, each distribution has five waist elastic member 20 made of the rubber cord or the like to form a waist gather 19 together are, the leg portion located on the curved recess 23 in FIG. 2, to form the leg gathers 21, the three made of the rubber cord or the like ventral leg elastic members 22a and three dorsal leg elastic The member 22b is arranged.
[0010]
Here, the waist elastic members 20 along the edge portion of the upper and lower in FIG. 2 extend linearly in parallel to each other, the side of the side edge 13 and the back side 16 of the both ends flank 14 It is located at each edge 17. On the other hand, the ventral leg elastic members 22a has its opposite ends is positioned on the side edge portion 15 of the stomach portion 14, while extending along the curved recess 23, along the back sheet 12 covering the outside of the absorbent body 13 By extending while crossing the absorbent body 13, the curved shape is convex from the abdominal side portion 14 toward the longitudinal back side portion 16 of the absorbent body 13, and is extended and arranged in parallel to each other. Each back leg portion elastic member 22b is positioned at the side edge 17 of the back side portion 16 and extends along the curved recess 23, while crossing the absorber 13 along the back sheet 12. By extending, the curved shape which becomes convex toward the longitudinal direction belly side part 14 of the absorber 13 from the back side part 16 is extended and arranged mutually parallel.
[0011]
The convex shapes of the ventral leg elastic member 22a and the dorsal leg elastic member 22b facing in opposite directions are close to each other without intersecting each other, and this close part is the longitudinal direction in the developed view of FIG. By shifting to the abdomen side 14 side from the position that bisects the direction, it is possible to effectively fit the absorbent body 13 to the portion immediately below the crotch in the mounted state.
[0012]
According to the present embodiment, the rubber cord is further crossed with the absorbent body 13 and the abdominal leg portion elastic member 22a or the back leg elastic member 22b located on both sides of the absorbent body 13. Etc., each of the three absorbing portion elastic members 28 are arranged in a direction perpendicular to the longitudinal direction of the absorbent body 13 along the back sheet 12 covering the outside of the absorbent body 13 of the ventral side portion 14 and the back side portion 16. The absorber gathers 25 are formed by extending in a straight line in parallel. Here, each absorption part elastic member 28 has both ends joined and fixed to the abdominal leg elastic member 22a or the back leg elastic member 22b and intersects with these leg elastic members 22a and 22b. In this way, the tip thereof further extends toward the edge of the curved recess 23.
[0013]
The liquid-permeable top sheet 11 and the liquid-impermeable back sheet 12 are the same as those used in conventional pants-type disposable diapers. Etc., with the vertically long absorbent body 13 fixed to a position corresponding to the crotch portion or the heel portion or the periphery thereof when worn, and the peripheral portion thereof is joined and integrated by heat welding or the like. Yes.
[0014]
Moreover, the absorber 13 uses the conventionally well-known material which comprises an absorber, such as a fluff pulp, an absorbent paper, a superabsorbent polymer, etc. which are employ | adopted as a sanitary napkin, an incontinence pad, a diaper, etc. It can be formed and used by covering it with a liquid-permeable top sheet or a liquid-impermeable back sheet as necessary.
[0015]
Further, in the present embodiment, the absorbent body 13 has a portion including a portion intersecting with the absorbent elastic member 28 so that the basis weight of the central belt-like portion 13a protrudes toward the crotch portion at the time of wearing. The basis weight of the portion is higher (see FIG. 3), and a better fit at the crotch portion and the heel portion is obtained at the time of wearing, and the absorption performance is also improved.
[0016]
In the women's shorts-type absorbent article 10 of the present embodiment, the bonding between the left and right side edges 15 of the abdominal side part 14 and the left and right side edges 17 of the back side part 16 is performed by sealing means such as heat welding or hot melt agent. Can be done by.
[0017]
Further, between the abdominal leg elastic member 22a or the back leg elastic member 22b located on both sides of the attachment site of the absorber 13, the elasticity of the absorption elastic member 28 extended on the back seat 12 is provided. Thus, the absorber gathers 25 are formed.
[0018]
And according to the shorts type absorbent article 10 for women of this embodiment, when a woman wears, the waist gathers 19 of the waist opening 26 and the leg gathers 21 of the leg opening 27 fit the body and wear comfortably. In particular, by providing the absorbing portion elastic member 28, it acts to compress the absorber 13 from the back sheet 12 on the outer surface to the crotch side by providing the absorbing portion elastic member 28. The absorbent body 13 is fitted in close contact with the crotch part.
[0019]
The present invention is not limited to the above embodiment, and various modifications can be made. For example, between the top sheet 11 and the back sheet 12, not only the position corresponding to the crotch part and the buttocks, but also other parts can be appropriately disposed, and the ventral leg part elastic member 22a and the back-side leg portion elastic member 22b may be configured by an elastic member without respectively continuously extending along each leg to split. Further, for example, an exterior nonwoven fabric sheet can be provided on the outside of the backsheet so as to cover it, and an absorbent elastic member can be disposed between the exterior nonwoven fabric sheet and the backsheet. The ventral leg elastic member 22 a and the back leg elastic member 22 b may intersect on the absorber 13. Furthermore, in the aspect which makes an absorption part elastic member cross the abdominal leg part elastic member 22a and the back side leg part elastic member 22b , the front-end | tip part of an absorption part elastic member is made into the abdominal leg part elastic member 22a and the back leg part elasticity. A mode in which the member 22b is fixed is also included, and the absorber elastic member is not necessarily arranged perpendicular to the longitudinal direction of the absorber as shown in FIG. the absorbing elastic members may be cross-arranged so as to draw the X of.
[0020]
【The invention's effect】
According to the women's shorts-type absorbent article of the present invention, at the position corresponding to the crotch part, at least one absorbent part elastic member is formed of the absorbent body and the abdominal leg part elastic member 22a and the dorsal leg located on both sides thereof. Crossing with the elastic member 22b , linearly arranged on the back sheet side of the absorber , both ends joined and fixed to the leg elastic member, and the center of the absorbent body in the crossing direction at the portion where the absorbent elastic member intersects basis weight portions, the both side portions of the basis weight is higher than Tei Runode, a liquid retentive absorbent member by the elasticity of the extension disposed absorption elastic members in a straight line between the two sides of the leg elastic members It is possible to satisfactorily fit the crotch part of the user and effectively absorb the liquid discharged from the human body.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a women's shorts-type absorbent article according to an embodiment of the present invention.
FIG. 2 is a plan view of a female shorts type absorbent article according to an embodiment of the present invention as seen from the skin contact surface side in a developed state.
3 is a cross-sectional view taken along the line AA in FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Shorts type absorbent article 11 for women Top sheet 12 Back sheet 13 Absorber 14 Abdominal side 15 Side edge (abdominal side)
16 back side 17 side edge (back side)
18 Joint 19 Waist gather 20 Waist elastic member 21 Leg gather 22a Abdominal leg elastic member 22b Back leg elastic member 23 Curved recess 25 Absorber gather 28 Absorber elastic member

Claims (1)

A liquid-permeable top sheet, a liquid-impermeable back sheet, and a liquid-retaining absorbent disposed at least at the position corresponding to the crotch portion when worn between the sheets, A shorts-type absorbent article for women in which a leg elastic member and a back leg elastic member are arranged,
At the position corresponding to the crotch part, at least one absorber elastic member is extended to the backsheet side of the absorber in a straight line in a direction perpendicular to the longitudinal direction of the absorber. The abdomen leg elastic member and the back leg elastic member positioned on both sides of the abdomen are arranged so as to intersect with each other, and both end portions thereof are bonded and fixed to the abdomen leg elastic member and the back leg elastic member. ,
And the shorts type absorbent article for women with which the basic weight of the cross direction center part of the said absorber in the part which the said absorption part elastic member crosses is higher than the basic weight of the both sides.

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