KR20110127738A - Disposable diaper in boxer short form - Google Patents

Disposable diaper in boxer short form Download PDF

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Publication number
KR20110127738A
KR20110127738A KR1020117023566A KR20117023566A KR20110127738A KR 20110127738 A KR20110127738 A KR 20110127738A KR 1020117023566 A KR1020117023566 A KR 1020117023566A KR 20117023566 A KR20117023566 A KR 20117023566A KR 20110127738 A KR20110127738 A KR 20110127738A
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KR
South Korea
Prior art keywords
ring
disposable diaper
type disposable
leg
pants type
Prior art date
Application number
KR1020117023566A
Other languages
Korean (ko)
Inventor
미나 타카이시
Original Assignee
다이오 페이퍼 코퍼레이션
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Publication of KR20110127738A publication Critical patent/KR20110127738A/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49019—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means being placed longitudinally, transversely or diagonally over the article
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49011—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56—Supporting or fastening means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F2013/4512—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape folded in special shape during use
    • A61F2013/4568—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape folded in special shape during use three-dimensional; with split absorbent core
    • A61F2013/4575—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape folded in special shape during use three-dimensional; with split absorbent core connected by elastic means

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

The present invention relates to a boxer pants type disposable diaper (1) that can easily change the length of the leg circumference tube portion, the front plate sheet 11 covering the back of the wearer and the back plate sheet 12 and leg circumference covering the back of the wearer A pair of leg circumference tube portions 17 having openings LO and installed on both sides of the groin position to cover the leg circumference of the wearer, wherein the front sheet 11 and the rear plate sheet 12 are joined to both sides. A boxer pants type disposable diaper bonded to the 21 and the groin position junction 22 to form a waist opening WO, wherein the leg circumferential tube portion 17 is formed in the perforations 27, 27... It divides into several ring-shaped part 17A which can be cut | disconnected by each other.

Description

Boxer pants type disposable diaper {DISPOSABLE DIAPER IN BOXER SHORT FORM}

The present invention relates to a boxer pants type disposable diaper.

Conventionally known types of disposable diapers can be broadly divided into two types, tape type and panty type. The tape-type disposable diaper connects the front plate and the back plate with each other by a tape provided on the side of the front plate or the back plate to form a body circumference covering the body circumference of the wearer. And a waste opening and a pair of leg openings are formed with this (for example, following patent document 1).

On the other hand, the panty-type disposable diaper has a structure in which the sides of the front plate and the back plate are joined to each other in advance by hot melt or the like to complete the shape of the panty without assembling like a tape-type disposable diaper (for example, Patent Document 2 below).

As a type of panty-type disposable diaper, as shown in Patent Document 2 below, a brief shape in which the leg circumference is formed in a V shape from the lower side of the groin to the waist side so as to follow the crotch, or as shown in Patent Document 3 below The leg circumference tube part extended from the leg circumference, and the like.

Among these, the boxer pants type disposable diaper has the advantage that the excrement is difficult to leak from the opening of the leg because the tube part is arranged around the leg, and the demand is increasing according to the diversification of the recently seen design.

Patent Document 1: Japanese Unexamined Patent Publication No. 2007-61230 Patent Document 2: Japanese Unexamined Patent Publication No. 2005-58396 Patent Document 3: Japanese Unexamined Patent Publication No. 2006-230920

However, in the conventional art, since the length of the leg circumference tube portion is a fixed dimension, the leg circumference tube portion may not fit the foot of the wearer depending on the wearer. In order to solve such a problem, it is also conceivable to prepare a plurality of different lengths of the leg circumference tube portion for one trunk circumference size, but this is not preferable because of poor productivity.

Therefore, the main subject of this invention is providing the boxer pants type disposable diaper which can easily change the length of a leg circumference tube part.

Next, the means for solving the above problems and the effects thereof are shown.

[Invention related to claim 1]

It has a front plate covering the back of the wearer, a back plate covering the back of the wearer, and a pair of leg circumference tubing portions installed at both sides of the groin position to cover the leg circumference, and covering the foot of the wearer. A boxer pants type disposable diaper which is continuous at a position interspersed with and forms a waist opening,

Boxer pants type disposable diaper, characterized in that the tube portion is divided into a plurality of ring-shaped portions that can be cut off from each other by a perforation formed along the circumferential direction.

(Action effect)

In the boxer pants type disposable diaper according to the present invention, the leg circumference tube portion is partitioned into a plurality of ring-shaped portions that can be cut off from each other by perforations formed along the circumferential direction of the leg circumference tube portion. For this reason, the length of a leg circumference tube part can be easily changed by cutting out the ring-shaped part of a leg circumference opening side suitably.

[Invention related to claim 2]

The boxer pants type disposable diaper according to claim 1, wherein each ring-shaped portion is fixed with elastic elastic members around the legs in an elongated state along the circumferential direction thereof.

(Action effect)

In general, in boxer pants type disposable diapers, the leg circumferential elastic members are stretched along the circumferential direction of the leg circumference so that the leg circumference tube portion fits the leg circumference of the wearer to prevent the excretion from leaking from the leg circumference opening. It is fixed. However, in the boxer pants type disposable diaper comprised in this way, the leg circumference of the wearer has been pressed. The boxer pants type disposable diaper according to the present invention solves such a problem.

In the boxer pants type disposable diaper according to the present invention, the elastically elastic member is secured around the leg in a state in which the ring-shaped portion is extended along the circumferential direction of the ring-shaped portion. At the same time, the ring-shaped portions can be cut out from each other by drilling. Therefore, when pressing the leg circumference of the wearer, it is possible to reduce the portion of tightening the leg circumference by cutting off the ring-shaped portion. As a result, the tightness of the legs can be weakened.

In addition, if the elastic elastic member is secured around each ring-shaped portion, when the boxer pants-type disposable diaper is rolled away after use, the rounded boxer pants-type disposable diaper may be tightened to the ring-shaped portion cut out so as not to be opened.

And if the leg elastic elastic member is fixed to each ring-shaped portion, the fit of the leg can be improved by attaching the ring-shaped portion cut out when the leg tube portion is loose or the like to the leg.

[Invention related to claim 3]

The boxer pants type disposable diaper according to claim 2, wherein the tension of the ring-shaped portion located on the waist opening side is higher than the tension of the ring-shaped portion located on the leg opening.

(Action effect)

In the boxer pants type disposable diaper according to the present invention, the tension at the time of elastic deformation of the ring-shaped portion located at the opening side of the leg is higher than the tension at the elastic deformation of the ring-shaped portion located at the waist opening side. For this reason, when attaching the boxer pants type disposable diaper which concerns on this claim, the tightening of a leg circumference tube part can be weakened by cutting out and attaching the ring-shaped part located in the leg circumference opening side along a perforation. That is, the wearer can weaken the tightening of the leg circumference tube part by cutting out the ring-shaped portion located on the leg circumference opening side when the leg circumference tube part is tightly fitted.

[Invention related to claim 4]

The boxer pants type disposable diaper according to any one of claims 1 to 3, wherein perforation on the waist opening side is formed at a position along the crotch of the wearer.

(Action effect)

In the boxer pants type disposable diaper according to the present invention, at least one of the perforations is formed at a position along the crotch of the wearer. For this reason, a shape can be made into a brief shape by cutting out the ring-shaped part along the perforation formed along the crotch of a wearer, and the choice of shape is expanded.

[Invention related to claim 5]

The boxer pants type disposable diaper according to any one of claims 1 to 4, wherein the ring-shaped portion is formed with a finger passing portion penetrating in and out.

(Action effect)

In the boxer pants type disposable diaper according to the present invention, a finger passing portion penetrating in and out of the ring-shaped portion is formed. For this reason, when cut | disconnecting a ring-shaped part along a perforation, a ring-shaped part can be cut easily by letting a finger pass through this finger passage part, and then pulling.

[Invention related to claim 6]

The boxer pants type disposable diaper according to any one of claims 1 to 4, wherein the gripping portion protrudes from the outer peripheral surface of the ring-shaped portion.

(Action effect)

In the boxer pants type disposable diaper according to the present invention, the grip portion protrudes from the outer peripheral surface of the ring-shaped portion. For this reason, when cutting out a ring-shaped part along a perforation, this gripping part can be grasped | disconnected easily.

According to the present invention as described above can provide a boxer pants type disposable diaper which can easily change the length of the leg circumference tube portion.

1 is a plan view showing a first embodiment of a boxer pants type disposable diaper according to the present invention.
FIG. 2 is a cross-sectional view corresponding to the direction of arrow XX in FIG. 1.
3 is a plan view showing a second embodiment of a boxer pants type disposable diaper according to the present invention.
4 is a partially enlarged plan view showing a third embodiment of a boxer pants type disposable diaper according to the present invention.
5 is a partially enlarged plan view showing a fourth embodiment of a boxer pants type disposable diaper according to the present invention.

EMBODIMENT OF THE INVENTION Next, embodiment of this invention is described, referring an accompanying drawing. In the figure, the arrow H represents the horizontal direction, the arrow U represents the upward direction, and the arrow D represents the downward direction, respectively, which are merely defined for convenience of describing the embodiments of the present invention.

[First Embodiment]

A first embodiment of the present invention will be described with reference to FIGS. 1 and 2.

The panty-type disposable diaper 1 according to the first embodiment mainly consists of the exterior body 1 and the interior body 3 fixed to the inner surface of the exterior body 1 as shown in Figs.

The exterior body 1 is composed of a front plate sheet 11 which is a front plate covering the back of the wearer at the time of mounting and a back plate sheet 12 which is a back plate covering the back of the wearer at the time of mounting. In addition, the up-down direction length L1 of the front board sheet 11 and the back board sheet 12 is 150-500 mm.

As shown in FIG. 1, the front plate 11 and the back plate sheet 12 have a U-shape and are cut in a concave shape at the groin position 100, respectively, and have a concave cutout 15. As the shape of the concave cut 15, an appropriate shape such as an arch, a triangle, a trapezoid, a quadrangle, and the like can be adopted. Preferably, an arch, particularly a parabolic shape as shown in the illustrated example, is suitable.

The front plate 11 and the back plate sheet 12 are joined to each other at both side joint portions 21 located at both side portions and at the groin position junction 22 positioned at the edges of the respective recesses 15. Since the front plate 11 and the back plate sheet 12 are bonded in this manner, the exterior body 10 has a pair of leg circumferences having a torso circumference 16 having a waist opening WO and a leg opening LO. The tube portion 17 is formed. Further, the length of one wheel of the waist opening WO is 200 to 2000 mm and the length of one wheel of the leg opening LO is 100 to 1000 mm. In addition, the up-down direction clearance distance L2 of the uppermost part of the recessed part 15 and leg opening part LO is 50-200 mm.

As shown in FIG. 2, the front sheet 11 and the back sheet 12 are both formed of a sheet of nonwoven fabric composed of an upper nonwoven fabric 10A and a lower nonwoven fabric 10B. The kind of nonwoven fabric is not particularly limited, and as the material fibers, for example, synthetic fibers such as olefins such as polyethylene or polypropylene, polyesters, and polyamides, as well as natural fibers such as recycled fibers such as rayon and cupra, and cotton Fibers may be used, and the processing method may be a spunlace method, a spunbond method, a thermal bond method, an air through method, a needle punch method, or the like. However, laminated nonwoven fabrics such as SMS nonwoven fabrics and SMMS nonwoven fabrics are suitable in that both feel and strength can be achieved. In addition to using one piece of nonwoven fabric, multiple sheets may be used. In the latter case, it is preferable to adhere the nonwoven fabrics with a hot melt adhesive or the like.

An impervious sheet may be laminated on the surface of the exterior body 10. As the impermeable sheet, a sheet member having at least water-order properties such as polyethylene and polypropylene can be used. In addition, the non-woven fabric sheet or the like may be used after securing the impermeable liquid substantially through the waterproof film. In recent years, the thing which has moisture permeability from the viewpoint of the prevention of soaking tends to be used suitably. As the order-moisture-permeable sheet material, a microporous sheet obtained by melt-kneading an inorganic filler in an olefin resin such as polyethylene or polypropylene to form a sheet and then stretching in the uniaxial or biaxial direction is preferably used.

As shown in FIG. 1 and FIG. 2, the interior body 3 is arrange | positioned so that the inner surface side of the exterior body 10 may continuously reach from the front plate sheet 11 side to the back plate sheet 12 side. As the interior 3, an existing layer structure in which the absorbent core 33 is disposed between the liquid-permeable top sheet 31 and the liquid-impermeable back sheet 32 can be used.

As the liquid-permeable top sheet 31 covering the surface side (surface side in contact with the skin) of the absorbent core 33, a porous or non-porous nonwoven fabric, a porous plastic sheet, or the like is suitably used. The raw material fibers constituting the nonwoven fabric may be synthetic fibers such as olefins such as polyethylene or polypropylene, polyesters, and polyamides, as well as regenerated fibers such as rayon and cupra, and natural fibers such as cotton. The nonwoven fabric obtained by suitable processing methods, such as a spun bond method, a thermal bond method, a melt blown method, and a needle punching method, can be used. Among these processing methods, the spunlace method is excellent in terms of flexibility and drape, and the thermal bond method is excellent in that it is bulky and soft. In the case where a plurality of perforations are formed in the liquid permeable surface sheet 31, urine or the like is quickly absorbed and excellent in dry touch.

As the impermeable back sheet 32 covering the back side (surface side not in contact with the skin) of the absorbent core 33, an impermeable plastic sheet such as polyethylene or polypropylene is used. Is suitably used. The order-permeable sheet is a microporous sheet obtained by melt kneading an inorganic filler in an olefin resin such as polyethylene or polypropylene to form a sheet, and then stretching the sheet in the uniaxial or biaxial direction. Since rigidity is lowered than a non-porous sheet, it becomes excellent in the point of flexibility.

As the absorbent core 33, an absorbent polymer interspersed in fibers such as red fiber pulp and a nonwoven fabric, and then foreskined with a liquid permeable sheet such as a crepe paper, a nonwoven fabric sheet or a perforated sheet is used. Absorbent polymers used herein include carboxymethyl cellulose, polyacrylic acid and salts thereof, acrylate polymer crosslinks, starch-acrylic acid graft copolymers, hydrolyzates of starch-acrylonitrile graft copolymers, polyoxyethylene crosslinks, A partially crosslinked water swellable polymer such as a carboxymethyl cellulose crosslinked product, polyethylene oxide, polyacrylamide, or a copolymer of isobutylene and maleic acid is suitably used. In order to suppress the blocking property by the moisture absorption of a product, what added the antiblocking agent can also be used. In addition, the superabsorbent polymer may have various forms such as powder form, granule form, granule form, pellet form, sol form, suspension form, gel form, film form, and nonwoven fabric, but these may all be used in the present invention. Particularly, those having a particulate form are suitably used.

As shown in FIG. 1 and FIG. 2, in the vicinity of the waste opening WO of the front sheet 11 and the rear plate sheet 12, the waste elastic members 24, 24,... In addition, the front sheet 11 and the back sheet 12 are secured in the stretched state with the waist elastic stretch members 25, 25... At a distance from the waist elastic stretch members 24, 24. The waist portion elastic stretchable members 24, 24 ... and the waist elastic stretchable members 25, 25 ... are both disposed between the upper nonwoven fabric 10A and the lower nonwoven fabric 10B along the horizontal direction. In this way, the waist portion elastic stretching members 24, 24... And the waist elastic elastic members 25, 25... Are provided with the elasticity of the trunk portion 16 in the horizontal direction.

As shown in FIG. 1 and FIG. 2, the leg circumference tube part 17 is divided into several ring-shaped parts 17A, 17A ... by the perforation 27, 27 ... formed along the circumferential direction. These ring-shaped portions 17A, 17A... Can be cut along each other along the perforation 27. The perforations 27, 27... Are arranged at equal intervals along the vertical direction, and the separation distance L3 between the adjacent pair of perforations 27, 27 is 5 to 50 mm.

Each of the ring-shaped portions 17A, 17A, ... is secured in a stretched state with a plurality of leg elastic members 26, 26, ... in the circumferential direction thereof. The elastic elastic members 26, 26, ... around the legs are provided in the middle of the respective ring-shaped portions 17A, 17A,. And these leg elastic members 26, 26... Are the upper layer nonwoven fabric 10A and the lower layer nonwoven fabric 10B similarly to the waist elastic members 24, 24... And the waist elastic members 25, 25. Is placed in between.

The elastic stretching members 26, 26... Located on both sides of the pair of leg tube portions 17 are not disposed between the pair of perforations 27, 27. Further, the separation distance between the lowermost part of the pair of leg circumference tube portions 17 and the opening circumference of the leg LO among the pairs of perforations 27, 27. Same as (L3). Further, the perforations 27, 27... Are all disposed below the top of the concave cut 15.

These ring-shaped portions 17A, 17A... Are provided with elasticity in the horizontal direction by the elastic stretching members 26, 26. When the elastic deformation of these ring-shaped portions 17A, 17A ... is applied, the tension of the ring-shaped portion 17A on the leg circumference opening LO side (lower side) is lower than that of the ring-shaped portion 17A on the waist opening side (upper side). This is high.

The tension at the time of elastic deformation of the ring-shaped portions 17A, 17A ... refers to the tension (tensile stress) measured when the ring-shaped portions 17A, 17A ... are tensioned in the width direction at an elongation rate within a predetermined elastic deformation range. By the comparison of the tension at the same elongation rate, the height of the tension at the time of elastic deformation of the ring-shaped portion can be obtained. For example, when the elastic deformation of the ring-shaped portion 17A is performed, the tension is fixed by fixing both sides of the ring-shaped portion 17A (both sides of the joint 21 and the groin position joint 22) with both fixing portions of the tensile tester, respectively. The elongation and load change are measured while pulling the shaped portion 17A at a speed of about 500 mm / min in the width direction (H direction), and based on this measurement result, the elastic deformation range (normally, the elongation rate is 105% to yield point). It can be calculated | required by calculating the tensile stress in (it is preferable to -30%).

The waist portion elastic stretching members 24, 24..., The waist elastic stretching members 25, 25..., And the leg stretching elastic stretching members 26, 26..., Used in the boxer pants type disposable diaper 1 according to the present embodiment. Actual rubber is used as). As the actual rubber, those formed from synthetic rubber or natural rubber, and those containing natural rubber as the main component are suitable. In addition to the yarn rubber, a material having rubber elasticity molded into a yarn, string, strip, mesh, foam, or the like including generally well-known elastomer resin can be used. For example, materials such as styrene rubber, olefin rubber, urethane rubber, ester rubber, polyurethane, polyethylene, polystyrene, styrene butadiene, silicone, polyester and the like can be used.

If the actual rubber used for the elastic elastic members 26, 26 around the legs is synthetic rubber, the one having a thickness of 300 to 1500 tex is used and the elongation is fixed in a state of 150 to 400%. On the other hand, if the actual rubber used for the elastic elastic members 26, 26 around the leg is natural rubber, it is fixed in a state of 150 to 400% in elongation using 0.1 to 5 mm in thickness.

Means for configuring the tension in the elastic deformation of the ring-shaped portion 17A on the leg circumference opening LO side (lower side) higher than the tension in the elastic deformation of the ring-shaped portion 17A on the waist opening side (upper side). The following three means can be mentioned.

(1st means) --- The thickness of each rubber | gum rubber which is elastic elastic members 26, 26 ... arrange | positioned at each ring-shaped part 17A, 17A ... is made the same, and elongation rate at the time of fixation is an opening around a leg. It is configured to be lowered toward the waste opening WO side from the (LO) side.

(Second Means) --- When the elastic rubber members 26, 26 ... that are disposed on the ring-shaped portions 17A, 17A ... are fixed to each other, the elongation at the time of fixation is the same, while the thickness is the opening of the leg. It is configured to be lowered toward the waste opening WO side from the (LO) side.

(Third means)--The elongation rate and thickness at the time of fixation of each thread rubber, which are elastic elastic members 26, 26... Disposed on each ring-shaped portion 17A, 17A... The lower the opening toward the opening (WO) side.

In addition, conventional methods can be used for fixing the waist elastic members 24, 24, the waist elastic members 25, 25, and the leg elastic members 26, 26. For example, a method of laminating the other nonwoven fabric sheet on the one nonwoven fabric sheet with a hot melt adhesive or the like, and then laminating the other nonwoven fabric sheet, or sandwiching the elastic elastic member between the sheets when the nonwoven fabric sheet is laminated. Method may be employed.

Next, the effect of the boxer pants type disposable diaper 1 which concerns on a present Example is demonstrated.

In the boxer pants type disposable diaper 1 according to the present embodiment, a pair of leg tube portions 17 can be cut from each other by perforations 27, 27... Formed along the circumferential direction of the leg tube portion 17. It is divided into a plurality of ring-shaped portions 17A, 17A... For this reason, the length of the leg tube part 17 can be easily changed by cutting out the ring-shaped part 17A of the leg opening part LO side (lower side) suitably.

In the boxer pants type disposable diaper 1 according to the present embodiment, the elastically elastic members 26 around the legs are stretched along the circumferential direction of the ring-shaped portions 17A, 17A ... to the ring-shaped portions 17A, 17A... 26…) is fixed. At the same time, the ring-shaped portions 17A, 17A... Can be cut from each other by the perforations 27, 27. Therefore, in the case of pressing the leg circumference of the wearer, the portion of tightening the leg circumference can be reduced by cutting the ring-shaped portions 17A, 17A... As a result, the tightness of the legs can be weakened.

In addition, in the boxer pants type disposable diaper 1 according to the present embodiment, the tension during elastic deformation of the ring-shaped portions 17A, 17A ... is smaller than the ring-shaped portion 17A on the waist opening WO side (upper side). The ring-shaped portion 17A on the (LO) side (lower side) is high. For this reason, by tightening the ring-shaped portion 17A positioned on the leg opening LO side along the perforation 27, the tightening of the leg tube portion 17 can be weakened. That is, the wearer can weaken the tightening of the leg tube portion 17 by cutting off the ring-shaped portion 17A located at the leg opening portion LO side when the leg tube portion 17 is tightly fitted.

In addition, if the leg elastic elastic members 26, 26... Are fixed to the ring-shaped portions 17A, 17A..., The boxer pants-type disposable diaper 1 that rolls up when the boxer pants-type disposable diaper 1 is rolled out after use is used. ) May be tightened to the ring-shaped portions 17A, 17A..

And if the leg elastic members 26, 26... Are fixed to the ring-shaped portions 17A, 17A..., The ring-shaped portion 17A cut out when the leg-tube portion 17 is loose or the like is attached to the leg circumference. You can also improve the fit of your legs.

Second Embodiment

Next, a second embodiment of a boxer pants type disposable diaper according to the present invention will be described with reference to FIG. 3.

In the boxer pants type disposable diaper 2 according to the present embodiment, the boxer pants type disposable diapers 1 according to the first embodiment have arrangements of elastic elastic members 26, 26... And perforations 27, 27. It is different from and is the same structure in other points.

In the boxer pants type disposable diaper 2 according to the present embodiment, the one located at the side of the waist opening WO (upper side) of the perforations 27, 27... It is formed in a position along the crotch of the ruler. In addition, among the leg elastic elastic members 26, 26... Formed in the pair of leg tube portions 17, the one that is disposed at the side of the waist opening WO (upper side) is the side of the waist opening WO (upper side). Is disposed on the waste opening WO side (upper).

Since it is comprised in this way, shape can be made into a brief shape by cutting out ring-shaped part 17A along the perforation 27 and 27 located in the side (upper side) of the waste opening part WO.

In addition, the elastic expansion and contraction members 26, 26... And the perforations 27, 27... Other than the elastic expansion and contraction members 26 and the perforation 27 located on the side of the waist opening WO are disposed upward from the lower side. It is gradually placed in the form along the crotch of the wearer.

Third Embodiment

Next, the 3rd Example of the boxer pants type disposable diaper which concerns on this invention is described, referring FIG.

In the boxer pants type disposable diaper 3 according to the present embodiment, the finger passing portions 50, 50... Are formed in the respective ring-shaped portions 17A, and the boxer pants type disposable diapers 1 according to the first embodiment are used. It is different from and is the same structure in other points.

As shown in FIG. 4, the finger passages 50, 50... Are arranged to span the perforations 27, 27. Further, the finger passages 50, 50, ... are made up of a plurality of incisions marked with *, and the lengths of these incisions are each 10-20 mm. In addition, at least one of these incisions is formed to overlap the perforations 27. Because of this configuration, when the ring-shaped portions 17A and 17A are cut along the perforations 27, 27 .., the ring-shaped portions 17A can be easily cut out by pulling a finger through the finger passage 50. Will be.

The finger passages 50, 50 ... may not necessarily be arranged so as to span the perforations 27, 27, or may be formed between the perforations 27, 27,. In this case, the strength of the perforations 27, 27... Is not lowered as compared with the form in which the finger passage 50 overlaps the perforation 27.

In addition to the incision, the finger passages 50 and 50... May be formed with holes penetrating through the ring-shaped portions 17A and 17A. In this case, there is a disadvantage in that the strength of the ring-shaped portions 17A, 17A ... is lowered compared with the form in which the finger passage 50 is formed by cutting, but instead, an advantage of easily passing a finger can be obtained.

[Example 4]

Next, the 4th Example of the boxer pants type disposable diaper which concerns on this invention is described, referring FIG.

The boxer pants type disposable diaper 4 according to the present embodiment has a boxer pants type disposable diaper 1 according to the first embodiment in that grip portions 60, 60, etc. are formed in each ring-shaped portion 17A. It is different and is the same structure in other points.

The holding portions 60, 60, ... protrude from both side joining portions 21 of the ring-shaped portions 17A, 17A, ..., respectively. These gripping portions 60, 60... May be continuously formed with the front plate 11 or the back plate sheet 12, and are formed by being sandwiched between the front plate 11 and the back plate sheet 12 at both side joining portions 21. You may be. Because of this configuration, the ring-shaped portions 17A and 17A can be easily cut off by holding the grip portions 60 and 60 to cut off the ring-shaped portions 17A and 17A ... along the perforations 27 and 27. have.

The up-down length of these holding parts 60, 60 ... is about half of the up-down length of each ring-shaped part 17A, 17A .... In addition, these holding | gripping parts 60, 60 ... are arrange | positioned so that they may mutually space apart. Since it is comprised in this way, when holding a certain holding | gripping part 60, it can prevent holding the adjacent holding | gripping part 60 simultaneously.

Moreover, these holding | gripping parts 60, 60 ... may protrude from parts other than the both side junction part 21 of each ring-shaped part 17A, 17A ....

Other Examples

The tension in the elastic deformation of the ring-shaped portions 17A and 17A located at the lowermost side in the pair of leg tube portions 17 may be the same. In this case, manufacture is easy because the structure is simple. In addition, it may be configured to increase the tension at the time of elastic deformation from the side of the leg opening (LO) side (lower side) toward the waste opening (WO) side (upper side). In this case, it is suitable for wearers with thicker thighs than around the crotch.

In the first to fourth embodiments described above, the leg elastic members 26, 26... Are formed for each ring-shaped portion 17A, but the leg elastic members 26, 26. It is also possible to form a plurality of ring-shaped portions 17A.

The ring-shaped portions 17A and 17A may be colored in different colors so that the positions of the perforations 27, 27... Can be identified at a glance. And it is also possible to write size etc. instead of coloring.

In the above-described first to fourth embodiments, the leg elastic members 26, 26 ... can also be formed on the leg opening part LO side at each of the ring-shaped portions 17A, 17A .... In such a configuration, the leg circumference opening LO side of the ring-shaped portion 17A remaining without cutting is fitted into the leg circumference of the wearer.

The present invention is applicable to a boxer pants type disposable diaper.

1: Boxer pants type disposable diaper 11: front sheet (front)
12: back plate seat (back plate) 17: leg circumference tube portion
17A: Ring-shaped portion 26: Elastic elastic member around the leg
27: puncture 50: finger passage
60: protrusion LO: leg opening
WO: waste opening

Claims (6)

The front plate which covers the back of the wearer,
Back panel covering the back of the wearer, and
A boxer pants type disposable type having a pair of leg circumference tubes having a leg opening and installed at both sides of the groin position to cover the leg circumference of the wearer, and the front plate and the back plate being continuous at both sides and the groin position to form a waist opening. As a diaper,
Boxer pants type disposable diaper, characterized in that the tube portion is divided into a plurality of ring-shaped portions that can be cut off from each other by a perforation formed along the circumferential direction.
The boxer pants type disposable diaper according to claim 1, wherein elastically elastic members are secured around the legs in a state in which each ring-shaped portion is extended along its circumferential direction.
The boxer pants type disposable diaper according to claim 2, wherein the tension of the ring-shaped portion located on the waist opening side is higher than the tension of the ring-shaped portion located on the leg opening.
The boxer pants type disposable diaper according to any one of claims 1 to 3, wherein the perforation on the waist opening side is formed at a position along the wearer's crotch.
The boxer pants type disposable diaper according to any one of claims 1 to 4, wherein the ring-shaped portion is provided with a finger passage portion penetrating in and out.
The boxer pants type disposable diaper according to any one of claims 1 to 4, wherein a gripping portion protrudes from an outer circumferential surface of the ring-shaped portion.
KR1020117023566A 2009-03-25 2010-03-23 Disposable diaper in boxer short form KR20110127738A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009074779A JP5396117B2 (en) 2009-03-25 2009-03-25 Boxer shorts disposable diaper
JPJP-P-2009-074779 2009-03-25

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KR20110127738A true KR20110127738A (en) 2011-11-25

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KR (1) KR20110127738A (en)
CN (1) CN102361618A (en)
WO (1) WO2010110250A1 (en)

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JP5396117B2 (en) 2014-01-22
WO2010110250A1 (en) 2010-09-30
JP2010220980A (en) 2010-10-07
CN102361618A (en) 2012-02-22

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