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Disposable diaper

A technology for paper diapers and shorts, which is applied in the field of shorts-type paper diapers, which can solve the problems of low ventilation at the waist and waist, and achieve the effect of improving strength

Active Publication Date: 2009-09-23
DAIO PAPER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, compared with the shorts-type diapers using an integrated outer sheet, it was found that the conventional 1-in-2 type diapers have low ventilation in the waist area. Problems

Method used

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Examples

Experimental program
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Effect test

no. 1 approach

[0112] Figure 1 to Figure 6 An example of the underpants type paper diaper according to the present invention is shown. exist figure 1In the notation, "front-back direction" means the direction connecting the ventral and dorsal sides, "width direction" means the direction perpendicular to the front-back direction, and "up-and-down direction" means the direction perpendicular to the waist direction, in other words, connecting The direction of the waist opening WO side and the crotch side.

[0113] This shorts-type paper diaper 10 is configured to have an abdominal exterior sheet 12F covering the abdomen of the wearer's waist and a back exterior sheet 12B covering the back side, and the joints of both widthwise side edges of the abdomen exterior sheet 12F are The joint portion 12A of the widthwise side edges of the portion 12A and the backside exterior sheet 12B is joined by heat sealing or ultrasonic welding to form a cylindrical waist portion, and the abdominal exterior sh...

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Abstract

A disposable diaper in to to raise ventilation in a waistline part. In an underpants type disposable diaper, including: a ventral-side outer sheet 12F and a back-side outer sheet 12B which are not connected but separated at a crotch portion; an absorber 20 having a liquid impervious sheet and a crotch outer sheet 12M laminated on an underside of the liquid impervious sheet in the absorber so as to be exposed on an external surface of a product, assuming that the number of sheets disposed on the underside of the liquid impervious sheet is B1 at the intermediate portion 23, A1 at front- and back-side outer overlap sections X and Z, and C1 at the front- and back-side outer nonoverlap sections 20F and 20B, there is established a relationship of B1<C1<A1.

Description

technical field [0001] The present invention relates to a pants-type paper diaper in which an exterior sheet is divided into two parts, a ventral side and a back side. Background technique [0002] A common shorts-type paper diaper has an exterior sheet that forms joined portions on both sides by joining both side portions of the front body portion and both side portions of the rear body portion, respectively, and forms a waist opening and a pair of left and right leg openings. and the absorbent main body, which is fixed along the center of the width direction of the inner surface of the outer sheet in the range from the abdomen side through the crotch to the back side, by making the wearer's feet pass through the waist opening and inserting them into the leg openings Department to wear. [0003] With respect to the type using such an integrated exterior sheet, a paper diaper also called a split type has been proposed in recent years. This paper diaper is constituted as fol...

Claims

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Application Information

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IPC IPC(8): A61F13/49A61F5/44A61F13/15A61F13/42A61F13/496A61F13/514
Inventor 金田正浩
Owner DAIO PAPER CORP
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