JP3848559B2 - Pants-type disposable wearing articles - Google Patents

Pants-type disposable wearing articles Download PDF

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Publication number
JP3848559B2
JP3848559B2 JP2001326428A JP2001326428A JP3848559B2 JP 3848559 B2 JP3848559 B2 JP 3848559B2 JP 2001326428 A JP2001326428 A JP 2001326428A JP 2001326428 A JP2001326428 A JP 2001326428A JP 3848559 B2 JP3848559 B2 JP 3848559B2
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Japan
Prior art keywords
waist
pants
direction
panel
side
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JP2001326428A
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Japanese (ja)
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JP2003126148A (en
Inventor
敬智 向井
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ユニ・チャーム株式会社
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Priority to JP2001326428A priority Critical patent/JP3848559B2/en
Publication of JP2003126148A publication Critical patent/JP2003126148A/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007Form-fitting, self-adjusting disposable diapers
    • A61F13/49009Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49011Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/496Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a pants-type disposable wearing article that absorbs and holds excrement.
[0002]
[Prior art]
In Japanese Patent Laid-Open No. 9-75390, a crotch region is located between the front and rear waist regions that are opposed to each other, and the waist region side portions of the waist regions are connected to each other, so that a waist opening and a pair of leg openings are defined. A pants-type disposable wearing article is disclosed, which is composed of formed pants and a liquid-absorbing inner panel that is attached to the inside of the pants and extends from the crotch region toward the front-rear waist region.
[0003]
The front and rear waist area of the pants is formed of two fiber nonwoven fabrics facing each other and a plastic film interposed between the nonwoven fabrics. The crotch region of the pants is formed of two fiber nonwoven fabrics facing each other and a stretchable plastic film interposed between the nonwoven fabrics. A plurality of waist elastic members extending in the waist direction are attached to the front and back waist areas of the pants in an expanded state. The elastic members for the waistline are arranged with a given distance in the vertical direction between the waistline opening and the leghole opening. A suspension piece extending from the end of the waist opening to the crotch region is attached to the front and back waist area of the pants. In pants, the waistline side of the front waistline area and the waistline side area of the back waistline overlap in a palm-shaped manner, and a large number of heat melts are lined up vertically in the vicinity of the side edges of the waistline side. It is fixed via the wire.
[0004]
The inner panel is substantially rectangular in the vertical direction, and is interposed between the liquid-permeable surface sheet located on the skin contact side, the liquid-impermeable back sheet located on the skin non-contact side, and the front and back sheets. And a liquid-absorbent core. The panel is detachably attached to the suspension piece of the pants at the longitudinal ends located in the front and rear waist area of the pants.
[0005]
In this wearing article, the crotch region of the pants can be expanded and contracted in the vertical direction, and when worn, the panel is in close contact with the crotch portion of the wearer by the crotch region of the pants extended in the vertical direction.
[0006]
[Problems to be solved by the invention]
In the wearing article disclosed in the above publication, even when the inner panel can be brought into close contact with the wearer's crotch when worn, the crotch region of the pants extended in the vertical direction is caused by the contraction force of the pants. It acts so as to slide the front and rear waist area from the wearer's torso, and as a result, the panel may be separated from the wearer's crotch. Further, in this wearing article, even if the waist elastic member extending in the waist direction directly above the crotch region acts so that the panel is brought into close contact with the wearer's torso by its contraction force, the longitudinal end of the panel Can only be brought into close contact with the wearer's torso, and the longitudinal central portion of the panel cannot be brought into close contact with the wearer's crotch.
[0007]
SUMMARY OF THE INVENTION An object of the present invention is to provide a pants-type disposable wearing article that does not slide down the wearing article from the wearer's torso, and can bring the longitudinal end and the longitudinal center of the inner panel into close contact with the wearer. It is to provide.
[0008]
[Means for Solving the Problems]
The premise of the present invention to solve the above-mentioned problems is that a crotch region is located between the front and rear waist regions facing each other, and waist side portions extending in the vertical direction of the waist regions are connected to each other and the waist opening. A pant having a pair of leg openings, and a liquid-absorbing inner panel attached to the inside of the pant and extending from the crotch region toward the front and rear waist region, Formed from a liquid-permeable top sheet located on the contact side, a substantially liquid-impermeable back sheet located on the non-skin contact side, and a liquid-absorbent core interposed between the sheets It is a pants-type disposable wearing article.
[0009]
The feature of the present invention in the premise is that a belt-like auxiliary sheet capable of expanding and contracting in the waist direction is interposed between the pants and the panel so that at least one of the front and rear waist areas is in the waist direction. On the other hand, an upper end portion extending in the waist circumference direction on the waist opening side and a crotch region side extending in the waist circumference direction substantially toward the longitudinal center of the panel A lower end portion that defines an arc, and both side portions that extend in the longitudinal direction at the waist portion side portions of the front and rear waist regions, and the auxiliary seat is spaced apart by a predetermined dimension in the longitudinal direction. A plurality of elastic elastic members extending in the direction are attached in an extended state, a middle portion of the lower end portion around the waist is fixed to the panel, and both side portions are the at least one waist of the front and rear waist region of the pants. It is fixed around the side Cage, wherein the panel is that the longitudinal edges are secured to the auxiliary seat in a position that does not exceed the upper end of the auxiliary sheet to said longitudinal direction.
[0010]
As an example of an embodiment of the present invention, at the lower end portion of the auxiliary sheet, the elastic member substantially forms an arc toward the longitudinal central portion of the crotch region.
[0011]
As another example of the embodiment of the present invention, the auxiliary sheet is any one of a stretchable fiber nonwoven fabric and a stretchable plastic film that are elastically stretchable in the longitudinal direction, the waistline direction, and the stretched direction. Formed from.
[0012]
As another example of an embodiment of the present invention, a plurality of waistline elastic members extending in the waistline direction with a predetermined distance apart in the longitudinal direction between the waistline opening and the leg hole opening. Is attached to at least one of the front and rear waist areas of the pants in an extended state.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
The details of the pants-type disposable wearing article according to the present invention will be described below with reference to the accompanying drawings.
[0014]
1 and 2 are a partially broken perspective view of the wearing article 1A and a partially broken plan view of the wearing article 1A shown in a state where the connection between the front and rear waist regions 5 and 7 is released. FIG. 3 is a cross-sectional view taken along line AA in FIG. 1 and an end view taken along line BB in FIG. 2. In FIGS. 1 and 2, the waist circumference direction is indicated by an arrow X, the vertical direction is indicated by an arrow Y, and the leg circumference direction is indicated by an arrow Z. In FIG. 2, the wearing article 1 </ b> A is in a state of being stretched in the longitudinal direction, the waist circumference direction, and the like. The inner surface of the top sheet 16 and the back sheet 17 refers to the surface facing the core 18, and the outer surface of the sheets 16, 17 refers to the surface not facing the core 18.
[0015]
1 A of wearing articles are comprised from the pants 2, the liquid absorptive inner panel 15 attached to the inner side of the pants 2, and the strip | belt-shaped auxiliary sheet | seat 21 which can be expanded-contracted to a trunk periphery direction. The wearing article 1A has a pants shape, and has a waist opening 29 and a pair of leg openings 30 below the waist opening 29.
[0016]
The pants 2 are formed of two substantially non-stretchable hydrophobic fiber nonwoven fabrics 3 and 4 that overlap each other and have opposite surfaces fixed to each other. The pants 2 includes a front waistline region 5 and a back waistline region 7 that face each other, and a crotch region 6 that is positioned between the waistline regions 5 and 7. The pants 2 includes a waistline end portion 8 that extends in the waistline direction in the front and back waistline regions 5 and 7, a waistline side portion 9 that extends in the longitudinal direction in the front and back waistline regions 5 and 7, and a leg region in the crotch region 6. And a leg-circumferential side portion 10 extending to the side. In the pants 2, as shown in FIG. 2, the leg-circumferential side portion 10 substantially forms an arc inwardly in the waist direction, and the planar shape thereof exhibits an hourglass shape. In the pants 2, the waistline side portion 9 of the front waistline region 5 and the waistline side portion 9 of the back waistline region 7 overlap each other, and the vicinity of the side edges 11 of the both sides 9 of the waistline is intermittent in the vertical direction. It is fixed via a large number of heat-sealing wires 12 arranged side by side.
[0017]
A plurality of waistline elastic members 13 extending in the waistline direction are attached to the waistline end portion 8 in an expanded state. A plurality of leg-around elastic members 14 extending in the leg-circumference direction are attached to the leg-surrounding side portion 10 in an extended state. The waist elastic member 13 and the leg elastic member 14 are interposed between the nonwoven fabrics 3 and 4 forming the pants 2, and are fixed to the nonwoven fabrics 3 and 4.
[0018]
The inner panel 15 has a substantially rectangular shape that is long in the vertical direction, and extends from the crotch region 6 of the pants 2 toward the front and rear waist regions 5 and 7. The panel 15 includes a liquid-permeable front sheet 16 positioned on the skin contact side, a substantially liquid-impermeable back sheet 17 positioned on the skin non-contact side, and the sheets 16 and 17 interposed therebetween. The liquid-absorbent core 18 is formed. The core 18 is fixed to the inner surface of at least one of the top sheet 16 and the back sheet 17. The panel 15 has longitudinal ends 15 a located in the front and rear waist regions 5 and 7 of the pants 2, a longitudinal central portion 15 b located in the crotch region 6 of the pants 2, and the outer sides of both side edges 18 b of the core 18. And side flaps 19 extending in the direction. The panel 15 has a central portion 15 b in the vertical direction depicting a U shape along the crotch region 6 of the pants 2.
[0019]
The side flap 19 has a free side portion 19 a extending in the vertical direction and a fixed end portion 19 b positioned in the front and rear waist regions 5 and 7 of the pants 2. A plurality of stretchable elastic members 20 extending in the vertical direction are attached to the side flap 19 in an extended state. The elastic member 20 is interposed between the top sheet 16 and the back sheet 17 and is fixed to the inner surfaces of the sheets 16 and 17.
[0020]
The auxiliary sheet 21 is interposed between the pants 2 and the panel 15 and extends in the front and rear waist regions 5 and 7 of the pants 2 in the waist direction. The auxiliary sheet 21 is formed of two substantially non-stretchable fiber nonwoven fabrics 22 and 23 that overlap each other and have opposite surfaces fixed to each other. The auxiliary seat 21 has an upper end 21a extending in the waist direction in the vicinity of the waist edge 8 of the front and rear waist areas 5, 7, a lower end 21b extending in the waist direction in the crotch area 6, and a front and rear waist area 5 and 7 have side portions 21c that extend in the longitudinal direction on the trunk periphery side portions 9. The lower end portion 21 b of the auxiliary sheet 21 substantially forms an arc toward the longitudinal center portion 15 b of the panel 2.
[0021]
A plurality of stretchable elastic members 24 extending in the circumferential direction are attached to the auxiliary sheet 21 in an expanded state. Therefore, the auxiliary sheet 21 can be expanded and contracted in the trunk periphery direction. The elastic members 24 are arranged at a given distance in the vertical direction from the upper end 21a to the lower end 21b of the auxiliary sheet 21. The elastic member 24 is interposed between the nonwoven fabrics 22 and 23 forming the auxiliary sheet 21 and is fixed to the nonwoven fabrics 22 and 23. At the lower end portion 21 b of the auxiliary sheet 21, the elastic member 24 substantially forms an arc toward the longitudinal center portion 15 b of the panel 15. In the auxiliary sheet 21, the middle portion 21 d in the waist direction in the lower end portion 21 b is fixed to the panel 15, and both side portions 21 c are fixed to the waist side portion 9 of the pants 2.
[0022]
In the wearing article 1 </ b> A, both side portions 21 c of the auxiliary sheet 21 are fixed to the waistline side portion 9 of the pants 2 in a state where the auxiliary sheet 21 is extended in the waistline direction against the contraction force of the elastic member 24. . The non-woven fabric 3 and the non-woven fabric 22 are fixed to each other with the hot melt adhesive 25 at the waist portion 9 of the pants 2 and the side portions 21 c of the auxiliary sheet 21.
[0023]
In the wearing article 1 </ b> A, the vertical end 15 a of the panel 15 and the fixed end 19 b of the side flap 19 are fixed to the upper end 21 a of the auxiliary sheet 21, and a part of the vertical central portion 15 b of the panel 15 is the pants 2. It is fixed to the crotch region 6. The free side portion 19 a of the side flap 19 is free from the pants 2 and the auxiliary sheet 21. At the longitudinal end 15 a of the panel 15 and the fixed end 19 b of the side flap 19, the outer surface of the back sheet 17 and the nonwoven fabric 22 are fixed via a hot-melt adhesive 26. The outer surface of the back sheet 17 and the non-woven fabric 22 are fixed to each other through a hot melt adhesive 27 at the center portion 21d in the trunk periphery direction of the lower end portion 21b of the auxiliary sheet 21. In the central portion 15 b in the vertical direction of the panel 15, the outer surface of the back sheet 17 and the nonwoven fabric 3 are fixed via a hot melt adhesive 28.
[0024]
In the wearing article 1A, when it is worn, the auxiliary sheet 21 extends in the waist direction, and the panel 15 is pressed against the wearer's torso and crotch by the extended auxiliary sheet 21. In the wearing article 1A, the upper end 21a of the auxiliary sheet 21 presses the longitudinal end 15a of the panel 15 against the wearer's torso, so that the longitudinal end 15a of the panel 15 is brought into close contact with the wearer's torso. Can do. In the wearing article 1A, since the lower end portion 21b of the auxiliary sheet 21 presses the longitudinal center portion 15b of the panel 15 against the wearer's crotch portion, the longitudinal center portion 15b of the panel 15 is brought into close contact with the wearer's crotch portion. Can do.
[0025]
In the wearing article 1A, the auxiliary sheet 21 does not extend in the vertical direction, and the auxiliary sheet 21 does not act so as to slide the pants 2 down from the wearer's torso. In the wearing article 1 </ b> A, since the plurality of elastic members 24 extending in the circumferential direction are attached to the auxiliary sheet 21, the wearer's torso can be tightened by the contraction force of the elastic member 24, and the wearing article 1 </ b> A is worn. Can be prevented from slipping down from the torso of the person.
[0026]
In the wearing article 1 </ b> A, the waist elastic member 13 is not attached to the remaining part of the front and rear waist areas 5, 7 of the pants 2 except for the waist edge 8, so the remainder except the waist edge 8 A large number of irregular gathers are not generated in the region, and the touch and beauty of the pants 2 are not impaired.
[0027]
At the longitudinal end portion 15a of the panel 15, the end portion 16a of the top sheet 16 and the end portion 17a of the back sheet 17 extend from the end edge 18a of the core 18 outward in the longitudinal direction, and at the end portions 16a and 17a, the sheet 16 , 17 are fixed to each other. The side flap 19 of the panel 15 is formed of a side portion 16 b of the topsheet 16 and a side portion 17 b of the backsheet 17 that extend outward from the side edge 18 b of the core 18 in the waistline direction. In the side flap 19, side surfaces 16b and 17b inner surfaces of the top sheet 16 and the back sheet 17 are fixed to each other.
[0028]
FIG. 5 is a partially broken perspective view of a wearing article 1B showing another embodiment. In FIG. 5, the waist circumference direction is indicated by an arrow X, the vertical direction is indicated by an arrow Y, and the leg circumference direction is indicated by an arrow Z. This wearing article 1B is different from that of FIG. 1 as follows.
[0029]
The pants 2 are formed of two substantially non-stretchable fiber nonwoven fabrics 3 and 4 that overlap each other and to which opposite surfaces are fixed, and a plurality of trunks that extend in front and rear waist regions 5 and 7 in the waist direction. The surrounding elastic member 31 is attached in an extended state. The waist elastic members 31 are arranged between the waist opening 29 and the leg opening 30 with a given distance in the vertical direction. The waist elastic member 31 is interposed between the nonwoven fabrics 3 and 4 forming the pants 2 and is fixed to the nonwoven fabrics 3 and 4.
[0030]
In the wearing article 1B, the front and rear waist regions 5 and 7 of the pants 2 are extended in the waist direction against the contraction force of the waist elastic member 31 and the contraction force of the elastic member 24 is resisted. Thus, the trunk periphery side portion 9 of the pants 2 and the both side portions 21c of the auxiliary sheet 21 are fixed in a state where the auxiliary sheet 21 is extended in the waist periphery direction.
[0031]
In the wearing article 1B, the panel 15 is pressed against the wearer's torso and crotch by the auxiliary sheet 21 extending in the circumferential direction like the case of FIG. 1, so the longitudinal end 15a of the panel 15 is worn. While being able to stick to a wearer's trunk | drum, the longitudinal direction center part 15b of the panel 15 can be stuck to a wearer's crotch part.
[0032]
In the wearing article 1 </ b> B, the waist elastic member 31 attached to the front and rear waist regions 5 and 7 of the pants 2 and the elastic member 24 attached to the auxiliary sheet 21 can be used for fastening the wearer's torso. In addition, since the elastic members 24 and 31 cooperate to tighten the wearer's torso, the worn article 1B can be reliably prevented from sliding down from the wearer's torso.
[0033]
As the top sheet 16, any of a hydrophilic fiber nonwoven fabric, a hydrophobic fiber nonwoven fabric having a large number of openings, and a plastic film having a large number of fine holes can be used.
[0034]
The back sheet 17 is composed of a hydrophobic fiber nonwoven fabric, a gas-permeable liquid-impervious plastic film, a composite nonwoven fabric obtained by superimposing a hydrophobic fiber nonwoven fabric, and a composite sheet obtained by superimposing a hydrophobic fiber nonwoven fabric and a gas-permeable liquid-impermeable plastic film. Either can be used. As the nonwoven fabrics 22 and 23 forming the auxiliary sheet 21, a hydrophilic fiber nonwoven fabric or a hydrophobic fiber nonwoven fabric can be used.
[0035]
The pants 2 may be formed of any one of a breathable liquid-impervious plastic film and a composite sheet obtained by superposing a hydrophobic fiber nonwoven fabric and a breathable liquid-impervious plastic film in addition to the hydrophobic fiber nonwoven fabric.
[0036]
For the pants 2, the back sheet 17, and the auxiliary sheet 21, a composite nonwoven fabric in which a fiber nonwoven fabric having a high water resistance is sandwiched between fiber nonwoven fabrics by a spunbond method having high strength and good flexibility is used. You can also.
[0037]
As a nonwoven fabric, what was manufactured by each manufacturing method of a spunlace, a needle punch, a melt blown, a thermal bond, a spun pond, a chemical bond, and an air through can be used. As the constituent fibers of the nonwoven fabric, polyolefin-based, polyester-based, polyamide-based fibers, core-sheath type composite fibers or parallel type composite fibers made of polyethylene / polypropylene or polyethylene / polyester can be used.
[0038]
The core 18 is a mixture of fluff pulp and superabsorbent polymer particles, or a mixture of fluff pulp, superabsorbent polymer particles and thermoplastic synthetic resin fibers, and is compressed to a required thickness. The core 18 is preferably covered entirely with a liquid-permeable sheet such as a tissue paper or a hydrophilic fiber nonwoven fabric in order to prevent the core 18 from losing its shape or dropping off the polymer particles. As the polymer particles, starch-based, cellulose-based or synthetic polymer-based particles can be used.
[0039]
In these illustrated wearing articles 1A and 1B, the auxiliary sheet 21 is attached to the front and rear waist areas 5 and 7 of the pants 2, but the auxiliary sheet 21 is at least one of the front and rear waist areas 5 and 7 of the pants 2. It only has to be attached to. In the illustrated wearing articles 1A and 1B, even if the auxiliary sheet 21 is formed of any one of the stretchable fiber nonwoven fabric and the stretchable plastic film that are elastically stretchable in the longitudinal direction, the waistline direction, and the stretchable direction. Good. In the wearing article 1 </ b> B of FIG. 5, the waistline elastic member 31 is attached to the front and rear waistline regions 5 and 7, but the waistline elastic member 31 is attached to at least one of the waistline regions 5 and 7. It only has to be done.
[0040]
As the stretchable nonwoven fabric, those produced by melt blown and spunbond manufacturing methods can be used. As the constituent fiber of the stretchable nonwoven fabric, a stretchable fiber obtained by melting and spinning a thermoplastic elastomer resin can be used. In addition, the auxiliary sheet is made of a nonwoven fabric made of crimped fibers obtained by melting and spinning a thermoplastic synthetic resin of polypropylene, polyethylene, or polyester on at least one surface of a stretchable nonwoven fabric made of thermoplastic elastomer resin fibers. A bonded composite nonwoven fabric can also be used.
[0041]
For fixing the top sheet 16 and the back sheet 17, fixing the core 18, and fixing the elastic members 13, 14, 20, 24, and 31, a hot melt adhesive, or heat welding such as heat seal or sonic seal is used. Means can be used. For fixing the pants 2 and the panel 15, fixing the pants 2 and the auxiliary sheet 21, and fixing the panel 15 and the auxiliary sheet 21, in addition to the hot-melt adhesive, the heat-welding means may be used. it can.
[0042]
【The invention's effect】
According to the pants-type disposable wearing article according to the present invention, when the wearable article is worn, the auxiliary sheet extends in the waist circumference direction, and the panel is pressed against the wearer's torso and crotch by the extended auxiliary sheet. It is done. In the wearing article, since the upper end of the auxiliary sheet presses the longitudinal end of the panel against the wearer's torso, the longitudinal end of the panel can be brought into close contact with the wearer's torso, and the longitudinal direction of the panel The lower end of the auxiliary sheet that substantially arches toward the center presses the panel's vertical center against the wearer's crotch, so that the panel's vertical center is in close contact with the wearer's crotch Can do. In this wearing article, the auxiliary sheet does not extend in the vertical direction, and the auxiliary sheet does not act to slide down the pants from the wearer's torso.
[0043]
In a worn article in which a plurality of waist elastic members extending in the waist direction are attached to at least one of the front and rear waist areas of the pants in a stretched state, the shrinkage force of the front and back waist areas and the shrinkage of the auxiliary sheet The wearer's torso can be tightened by the force, and the worn article can be reliably prevented from sliding down from the wearer's torso.
[Brief description of the drawings]
FIG. 1 is a partially cutaway perspective view of a worn article.
FIG. 2 is a partially broken plan view of a worn article shown in a state where the connection between the front and rear waist regions is released.
3 is a cross-sectional view taken along line AA in FIG.
4 is an end view taken along the line BB in FIG. 2. FIG.
FIG. 5 is a partially cutaway perspective view of a worn article showing another embodiment.
[Explanation of symbols]
1A, 1B Pants-type disposable wearing articles 2 Pants 5 Front waistline area 6 Inseam area 7 Rear waistline area 9 Trunk circumference side part 15 Liquid absorbent inner panel 15a Longitudinal end part 15b Longitudinal center part 16 Liquid permeable Top sheet 17 Impervious back sheet 18 Absorbent core 21 Auxiliary sheet 21a Upper end part 21b Lower end part 21c Both side parts 21d Trunk circumference central part 24 Elastic elastic member 29 Trunk circumference opening 30 Leg circumference opening 31 For trunk circumference Elastic member

Claims (4)

  1. A pant having a crotch region positioned between the front and rear waist regions facing each other, and a waist region side portion extending in the longitudinal direction of the waist region is connected to define a waist opening and a pair of leg openings; A liquid-absorbing inner panel that is attached to the inside of the pants and extends from the crotch region toward the front-rear waist region, and the panel is a liquid-permeable surface sheet positioned on the skin contact side. In a pants-type disposable wearing article formed from a substantially liquid-impervious back sheet located on the skin non-contact side and a liquid-absorbent core interposed between the sheets,
    Strip of the auxiliary seat which is capable of stretching the waist direction, extends at least one of said front and rear waist regions is interposed between the pants and the panel to the waist direction, in the other hand, the barrel An upper end portion extending in the direction of the waist around the side of the surrounding opening, a lower end portion extending in the direction of the waist around the side of the crotch region and substantially arcing toward the longitudinal center of the panel; Having both sides extending in the longitudinal direction on the waist side of the front and back waist area;
    The auxiliary sheet is attached in a stretched state with a plurality of stretchable elastic members extending in the longitudinal direction at a given distance in the longitudinal direction, and a central portion in the circumferential direction at the lower end is fixed to the panel. The both side portions are fixed to the at least one waistline side portion of the front and rear waistline region of the pants , and the vertical edge of the panel is the upper edge of the auxiliary sheet in the vertical direction. The wearing article, which is fixed to the auxiliary sheet at a position not exceeding
  2. The wearing article according to claim 1, wherein at the lower end portion of the auxiliary sheet, the elastic member substantially forms an arc toward a longitudinally central portion of the crotch region.
  3.   The said auxiliary sheet | seat is formed from any one of the stretchable fiber nonwoven fabric and stretchable plastic film which can be elastically expanded-contracted to the said longitudinal direction, the said trunk periphery direction, or the stretchable plastic film. The wearing article as described.
  4.   A plurality of waistline elastic members extending in the longitudinal direction with a predetermined distance apart in the longitudinal direction between the waistline opening and the leg periphery opening are at least one of the front and back waistline regions of the pants. The wearing article according to claim 1, which is attached to one side in an extended state.
JP2001326428A 2001-10-24 2001-10-24 Pants-type disposable wearing articles Active JP3848559B2 (en)

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JP3848559B2 true JP3848559B2 (en) 2006-11-22

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Cited By (1)

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US9908739B2 (en) 2012-04-24 2018-03-06 Curt G. Joa, Inc. Apparatus and method for applying parallel flared elastics to disposable products and disposable products containing parallel flared elastics

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JP4522168B2 (en) * 2004-06-30 2010-08-11 大王製紙株式会社 Pants-type disposable diaper
JP4630622B2 (en) * 2004-10-01 2011-02-09 ユニ・チャーム株式会社 Pants-type disposable diaper
AT551040T (en) * 2004-11-30 2012-04-15 Daio Seishi Kk Disposable thread of the lace type
JP4792229B2 (en) * 2004-10-29 2011-10-12 大王製紙株式会社 Pants-type disposable diaper
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