WO2001003524A1

WO2001003524A1 - Disposable wearing article

Info

Publication number: WO2001003524A1
Application number: PCT/JP2000/004596
Authority: WO
Inventors: Takeo Kuwashiro; Michiyo Matsushita; Akiko Saito
Original assignee: Uni-Charm Co., Ltd.
Priority date: 1999-07-08
Filing date: 2000-07-10
Publication date: 2001-01-18
Also published as: JP3626638B2; AU5851800A; JP2001020102A

Abstract

A wearing article (1) comprising a front-rear girth (1a), an inseam (7), a girth opening (4), and a pair of leg openings (5), wherein a plurality of pleats (9) formed on the girth (1a) extend in a girth direction and are fixed at the opposite sides of the girth.

Description

Meiyo Disposable Wear PP Technical Field

The present invention relates to disposable wearing articles such as ordinary pants, travel pants, patient pants in hospitals, infant pants, and other simple pants. Background art

Japanese Unexamined Patent Publication No. 6-63073 discloses that front and rear bodies of substantially the same shape and size are formed separately, and a joint line is provided in the crotch region of the bodies so as to protrude toward the waist circumference of the bodies. Also disclosed is a trunk-type disposable wearing article in which a concave portion is formed along an outer edge of a crotch region defined by a convexly curved joint line.

Although there are individual differences among the wearers of the articles, there are slight bulges in the abdomen and buttocks of the wearer. The articles disclosed in Japanese Patent Application Laid-Open No. 6-63073 cannot expand or contract around the front and rear bodies, so that when the articles are worn, the swelling of the wearer's abdomen and buttocks causes the bodies to swell. Inability to fit, may cause pressure on wearer.

An object of the present invention is to provide a disposable wearing article which can be adapted to the swelling of the wearer's abdomen and buttocks at the time of wearing and does not give a feeling of pressure to the wearer. Disclosure of the invention

The present invention for solving the above-mentioned problem includes: An object of the present invention is to improve a disposable wearing article having a crotch part, a waist opening, and a pair of leg openings.

A feature of the present invention according to the improvement is that a plurality of pleats are formed in the waist portion, extend in the waist direction, and are fixed at both side portions.

The present invention has the following configuration aspects.

(1) The pleats located at the upper part from the waist opening to the crotch part sequentially cover substantially half of the pleats located at the lower part.

(2) The pleats are releasably joined at overlapping portions.

(3) The pleats are located on at least one of the front and rear waist portions.

(4) The article is a trunks type and is composed of a front and rear body formed separately from a nonwoven fabric, and the front and rear bodies are continuous with the front and rear waist circumference part and the waist circumference part and the crotch part And a pair of leg insertion portions that branch off and extend from each other, and are joined to each other at the front and rear waist portion and the outer edge of the leg insertion portion and the inner edge of the leg insertion portion. I have. BRIEF DESCRIPTION OF THE FIGURES

Figure 1 is a partially broken perspective view of the disposable wearing article shown from the back.

FIG. 2 is an exploded perspective view of FIG.

Fig. 3 is a cross-sectional view taken along line A-A in Fig. 1.

Fig. 4 is a perspective view of the worn article shown from the side of the back body that is different from Fig. 1. FIG. 5 is a perspective view of the wearing article of FIG. 4 shown from the front side.

FIG. 6 is a sectional view taken along line BB of FIG. BEST MODE FOR CARRYING OUT THE INVENTION

The details of the disposable wearing article according to the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a partially cutaway perspective view of the disposable wearing article 1 shown from the back 3 side. Article 1 is a trunks type, consisting of a front body 2 and a back body 3 formed separately from non-woven fabric. 1a, a pair of leg insertion portions lb, and a pair of leg openings 5.

The article 1 is provided with a film-shaped waist elastic member 6 extending along an edge of the waist opening 4. In the crotch portion 7 located between the leg opening 5 of the article 1, a V-shaped concave portion 8 is formed toward the waist opening 4 of the article 1. In the back body 3 of the article 1, a plurality of pleats 9 extending in the waist direction are formed in the waist circumference 1a, and are fixed on both sides of the article 1. In the article 1, the elastic member 6 is released from the extended state, and gathers are formed along the edge of the waist opening 4.

FIG. 2 is an exploded perspective view of the article 1 of FIG. Each of the front and rear bodies 2 and 3 has a front and rear waist portion la and a pair of leg insertion portions lb which are continuous with the waist portion la and extend at the crotch portion 7 and branch off from each other. The front and rear bodies 2 and 3 include side edges 2 a and 3 a extending in the longitudinal direction parallel to each other, and upper and lower ends 2 b, 2 c, 3 b and 3 c extending in the width direction parallel to each other. Along the upper ends 2b, 3b, elastic members 6 for the waist are attached to the body 2, 3 so as to extend and extend. Lower end 2 c, 3 c of front and rear body 2, 3 In this, a concave notch 8 is formed between the leg insertion portions lb toward the upper end portions 2b, 3b of the bodies 2, 3.

The pleated pleats 9 are quilt pleats, in which the upper pleats 9 from the upper end 3b to the lower end 3c of the rear body 3 cover substantially half of the lower pleats 9 in order. I have. The front body 2 and the back body 3 have joining edges 2 d and 3 d extending along both side edges 2 a and 3 a of the bodies 2 and 3, respectively. The joining edges 2 e and 3 e extend along the edge. The front body 2 and the back body 3 are joined to each other at the joining edges 2 d, 2 e, 3 d, 3 e, so that the article 1 shown in FIG.

FIG. 3 is a sectional view taken along line AA of FIG. The pleats 9 are alternately bent and overlapped on the inside and outside so that the cross section in the longitudinal direction forms a zigzag shape, and the outer folds 9a extending parallel to each other overlap. The folds 9a located at the upper part of the figure are sequentially shifted outward so as not to be disturbed. Brie 9 Each of them is releasably joined to each other at a joining portion 10 intermittently extending between upper and lower end portions 3 b and 3 c of the back body 3. The joint portion 10 is formed at a portion where the pre-plates 9 overlap each other.

In Article 1, the fold 9a of the pleats 9 comes into contact with the wearer's skin when the article 1 is worn because the pre-grid 9 is not standing almost vertically toward the inside of the article 1 in the width direction. Without any discomfort. The pleats 9 may be such that the folds 9a located at the bottom of the figure are sequentially shifted outward so that the outer folds 9a extending parallel to each other do not overlap. .

FIGS. 4 and 5 are perspective views of the wearing article 1 shown from the side of the back body 3 in a mode different from that of FIG. 1, and the perspective view of the wearing article 1 shown from the side of the front body 2. FIG. The article 1 has a front body 2 and a back body 3 formed separately from a nonwoven fabric, a waist opening 4, a front and rear waist part la, a pair of leg insertion parts lb, and a pair of leg circumferences. It is the same as the article 1 in FIG.

A plurality of pleats 9 extending in the circumferential direction of the body 1 are formed on the front and rear bodies 2 and 3 of the article 1 in the body circumferential portion 1a, and are fixed on both sides of the article 1. The pleated 9 is a quilt pleat. The pleated 9 is an abbreviation of the pleated 9 located at the upper part from the upper end 2b, 3b of the front and rear bodies 2, 3 toward the lower end 2c, 3c. One half is covered sequentially.

FIG. 6 is a sectional view taken along line BB of FIG. The pleat 9 of the front body 2 has a pleat 9 whose length L1 extending in the longitudinal direction is large at the center of the front body 2, and the pleat 9 extends toward the upper end 2b and the lower end 2c of the front body 2. Each dimension L 1 is getting smaller and smaller. In the pre-body 9 of the back body 3, the length L2 of the pleat 9 extending in the longitudinal direction gradually increases from the upper end 3b to the lower end 3c of the back body 3.

In the front body 2, the dimension L1 of the pre-plate 9 located at the center is larger than that of the pleats 9 located at the upper and lower ends 2b and 2c, so the fold 9a of the pleat 9 is folded back. 9 When the pleats 9 are extended, the center of the front body 2 can be extended more than the upper and lower ends 2b, 2c, and the front body 2 is the bulge of the wearer's abdomen. Can be adapted. In the back body 3, since the dimension L2 of the pleated 9 is larger toward the lower end 3c, the fold 9a of the pleated 9 is folded back and the pleated 9 is extended. The lower end 3c of the wearer's lower back 3 can be extended more than the upper end 3b. Can adapt to the bulge.

Pleats 9 include quilted pleats, inverted pleats with pleated ridges, irregular pleats with irregular folds, and acoustic pleats with pleated ridges standing almost vertically. Dion pleats, box pleats with folds facing each other on the back can be exemplified.

Non-woven fabric such as spun lace, needle punch, melt blown, thermal bond, snow bond, and chemical bond can be used for the front and rear bodies 2 and 3. The basis weight is 15 to 80 g / m ² , preferably 20 to 60 g / m ² . The constituent fibers of the non-woven fabric are polyolefin-based, polyester-based, and polyamide-based thermoplastic fibers, polyethylene 7-polypropylene or polyester composite fibers. Etc. can be used. Further, a composite sheet in which a plastic film is laminated on the nonwoven fabric can also be used.

For joining the front and rear bodies 2 and 3 and attaching the elastic member 6, it is possible to use an adhesive such as a hot melt adhesive or an adhesive, or a technique of heat welding. In order to form the ply 9 on the body 2 and 3, it is possible to use pleating technology. ADVANTAGE OF THE INVENTION According to the disposable wearing article which concerns on this invention, pleats of a body extend at the time of wearing of an article, and those bodies can adapt to the swelling of a wearer's abdomen and buttocks. Since the pleats are peelably joined, the folds of the pleats do not extend when the article is not worn.

The present invention can be used as training pants or boxer pants in addition to the articles already described in the technical field.

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Claims

The scope of the claims

1. A disposable wearing article having a front and rear waist circumference, a crotch, a waist circumference opening, and a pair of leg openings.

The article characterized in that a plurality of pleats are formed on the waist portion, extend in the waist direction, and are fixed on both sides.

2. The article according to claim 1, wherein the pleats located at an upper portion from the waist opening toward the crotch portion sequentially cover substantially half of the pleats located at the lower portion.

3. The article according to claim 2, wherein the pre-layers are releasably joined at overlapping portions.

4. The article according to any one of claims 1 to 3, wherein the pleats are located on at least one of the front and rear waist portions.

5. The article is of a trunk type and is composed of front and rear bodies formed separately from a nonwoven fabric, and the front and rear bodies are continuous with the front and rear waist circumferences, the waist circumferences, and the crotch parts. And a pair of leg insertion portions that branch off and extend from each other, and are joined to each other at an outer edge of the front and rear waist portion and an outer edge of the leg insertion portion and an inner edge of the leg insertion portion. The article according to any one of claims 1 to 4, wherein