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Absorbent article with improved waist panels and side seams

A technology for absorbent products and cutting pieces, which is applied in the fields of absorbent pads, medical science, clothing, etc., and can solve problems such as insufficient combination of layers

Active Publication Date: 2017-11-28
KIMBERLY CLARK (CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, when thermal fusion bonding occurs to form a side seam, the layers of different polymers are not sufficiently bonded and thus begin to delaminate during use, resulting in an inferior product that is unacceptable from a consumer point of view

Method used

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  • Absorbent article with improved waist panels and side seams
  • Absorbent article with improved waist panels and side seams
  • Absorbent article with improved waist panels and side seams

Examples

Experimental program
Comparison scheme
Effect test

example

[0108] Tests of side seam strength were carried out in order to compare the conventional construction design with the construction design according to the invention. Using 2 denier, 38 mm long bicomponent staple fibers with a polyethylene sheath and a polyester core having a basis weight of 20 grams per square meter (gsm), air bonded carded web Garment layers for the waist and back waist panels. The backing and protective layers of the front and back waist panels were made of 2 denier polypropylene spunbond with a basis weight of 15 gsm. Conventional three-piece design training pants use conventional folding techniques in which the garment layers are folded over the absorbent structure on the body side of the product and on top. The side seams are formed using a heated bonding roll (135 degrees Celsius and 15 kgf pressure) with such a Figure 10 The binding pattern shown.

[0109] A conventional design of training pants was compared to a design according to the present inve...

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Abstract

A child's absorbent training pant (20) is provided. The pant (20) includes a chassis (22) having a front waist region (23) with a front panel (24), a rear waist region (25) with a rear waist panel (26), and a crotch region (27) with a crotch panel (28) extending between the front and back panels. A waist opening (30) and a pair of leg openings (32) are formed by selectively joining the front waist panel (24) and rear waist panel (26) at side seams (34) on the lateral sides of the pant (20). The side seams (34) extend between the waist opening (30) and respective leg openings (32). A waist border (36) peripherally surrounds the waist opening (30), and is formed upon joining the front waist panel (24) and the rear waist panel (26) at side seams (34).

Description

Background technique [0001] Conventional open diapers and incontinence products, while still widely used, have been replaced in recent years by side closed products, commonly referred to as training pants and pull-up diapers, due to their utilization of more The fact that regular underwear is modeled on the base design. As such, they typically include joining front and rear waist panels using side seams to form waist openings and leg openings. [0002] Due to the nature of the materials used to form the waist panels, side seams are often made using hot melt instead of adhesive seams. Heat seams are more desirable because they are able to form a stronger bond due to the melting and fusing of the fibers and / or other materials of the respective front and back waist panels. To form such bonded side seams, several techniques are employed. One is ultrasonic bonding and the other is conventional thermal bonding rolls, which typically use convex patterned rolls and corresponding sm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F13/15
CPCA61F13/4963
Inventor 卢青春
Owner KIMBERLY CLARK (CHINA) CO LTD