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Diposable diaper

A disposable, diaper technology, used in applications, nonwovens, medical science, etc.

Inactive Publication Date: 2004-04-14
UNI CHARM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the invention described in the above-mentioned gazette, it is shown that at least a part of the sheet is highly flexible and formed of a material that is air-permeable and liquid-impermeable. Examples of this material include non-woven fabrics or porous fabrics. plastic films, or laminates of both, but not further specified

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0013] The disposable diaper of the present invention will be described in detail below with reference to the accompanying drawings.

[0014] figure 1 , figure 2 They are a partial cutaway plan view of the disposable diaper 1 and a partial cutaway perspective view of the disposable diaper 1, respectively. exist figure 2 In this case, the diaper 1 is bent by contraction of each elastic material described later.

[0015] The diaper 1 has a liquid-permeable top sheet 2, a liquid-impermeable back sheet 3, and an absorbent core 4 positioned between the two sheets 2, 3, and is composed of a front waist area 6 and a rear waist area in the front and rear longitudinal directions. 7, and the crotch region 8 constitutes. The topsheet 2 and the backsheet 3 extend outward from the periphery of the absorbent core 4 and are joined to each other at the extended portions to form a pair of sidesheets 11 and front and rear endsheets 12 and 13 . On the top of the side panel 11, the crotch ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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PUM

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Abstract

A disposable diaper includes a pair of barrier flaps 19 formed on an inner side of a disposable diaper 1. The barrier flaps 19 are made of a spun bond nonwoven fabric of wick / sleeve type conjugated fibers having a polyethylen sleeve component. The spun bond nonwoven fabric has a relative hardness of 40 SIMILAR 50 mm in an MD-direction, 20 SIMILAR 37 mm in a CD-direction as measured by the cantilever method and a basis weight of 15 SIMILAR 30 g / m<2>. The respective barrier flaps 19 are provided in their sealing surface zones 20 with elastic members 24 secured under tension thereto.

Description

technical field [0001] The present invention relates to a disposable diaper. Background technique [0002] Japanese Patent Publication No. 3-80502 discloses a disposable diaper with a liquid-permeable topsheet, a liquid-impermeable backsheet, an absorbent core between these two sheets, and a flexible flexible sheet that can be stretched and contracted by an elastic material. Leak-proof sheet. The leak-preventing sheet has a branch portion protruding upward from the inner surface of the diaper, and a sealing surface region extending from the top of the branch portion in the width direction. The sealing surface region is composed of a first projecting portion directed inward from the branch portion and a second projecting portion directed outward. In this diaper, usually, the first protruding portion can elastically contact the thigh to form a pocket opening inwardly, so that fluid urine and feces can be prevented by the pocket. The second protruding portion elastically and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F13/494A61F5/44A61F13/15A61F13/49D04H1/541
CPCA61F13/49413A61F13/49017A61F13/15
Inventor 清水真吾吉冈稔泰辻智子
Owner UNI CHARM CORP
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