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Flexible composite sheet for disposable dressing article

A composite sheet, disposable technology, applied in applications, layered products, textiles and paper, which can solve the problems of difficult absorption, blocking, etc.

Inactive Publication Date: 2005-08-10
UNI CHARM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When the above-mentioned known plastic sheet 110 is used as, for example, a liquid-permeable top sheet of a disposable diaper, although the cylindrical protrusion 120 and the petal-shaped portion at the top of the protrusion 120 obtain a cloth-like touch feeling, the opening 125 is formed in the On the top of the protrusion 120, the bodily fluid discharged on the top sheet is difficult to flow rapidly to the opening 125 because of the obstruction of the protrusion.
And, on the common disposable diaper, the underside of the top sheet is equipped with a liquid-absorbent core, and the opening 125 of the above-mentioned plastic sheet 110 is only separated from the liquid-absorbent core by the height of the protrusion 120, so that it is difficult for bodily fluid to pass through the liquid-absorbent core. Quickly absorbed by the wick

Method used

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  • Flexible composite sheet for disposable dressing article
  • Flexible composite sheet for disposable dressing article
  • Flexible composite sheet for disposable dressing article

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Experimental program
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Embodiment Construction

[0022] Next, the flexible composite sheet used in disposable wearing articles related to the present invention will be described in detail with reference to the drawings.

[0023] A composite sheet 1 shown in a perspective view in FIG. 1 is composed of an upper layer 2 and a lower layer 3 .

[0024] The upper layer 2 is manufactured from a thermoplastic synthetic resin film and has a first surface region 6 and a second surface region 7 . The first surface region 6 has a plurality of flat portions 8 extending parallel to each other in the direction of the double-headed arrow Y, and a plurality of opening rows 11 formed by extending the plurality of openings 9 in parallel to each other in the direction of the arrow Y.

[0025] The flat portion 8 has an upper face 13 and a lower face 14, and the opening 9 is located between the flat portions 8 and 8 adjacent in the arrow X direction perpendicular to the arrow Y direction. A crosslinking portion 10 connecting the flat portions 8 ...

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Abstract

A composite sheet 1 adapted to be used as stock material for disposable garments comprises a film-like upper layer 2 and a lower layer 3 formed by a fibrous assembly. The upper layer 2 is formed with a first surface region 6 having plane zones 8 and aperture arrays 11 and a second surface region 7 in the form of a depression. The lower layer 3 has its density higher in a region immediately underlying the second surface region 7 than in a region immediately underlying the first surface region 6 (Fig. 1). The composite sheet including such constituent features is suitable as stock material for disposable garments which require a soft touch and a rapid permeation of body fluids discharged on the garments.

Description

technical field [0001] The present invention relates to a flexible sheet used in disposable wearing articles, especially suitable for disposable wearing articles such as disposable diapers and sanitary napkins for absorbing bodily fluids. Background technique [0002] Figure 5 It is a perspective view of a soft-touch plastic sheet 110 having minute openings disclosed in JP-A-62-57551. The plastic sheet 110 can be used as the surface sheet and the inner sheet of a disposable diaper, and the plastic sheet is manufactured by using a thinner plastic sheet as a base film and using a high-pressure liquid jet action on a sheet placed on a screen wire support. Tablet 110. [0003] A plurality of cylindrical protrusions 120 are formed on the skin-contacting side surface of the plastic sheet 110 with openings, and micro openings 125 and petal-shaped portions around the openings 125 are formed on the tops of the protrusions 120 . The sheet 110 exhibits a soft, cloth-like feel to the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F13/511A61F13/15A61F13/49B32B5/24D04H1/541
CPCA61F13/512Y10T428/24273Y10T428/24322Y10T428/24331A61F13/15
Inventor 合田裕树久中隆行
Owner UNI CHARM CORP
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