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A Method to Make an Absorbent Article with Segmented and Separated Absorbent Structure

IP.com Disclosure Number: IPCOM000130704D
Publication Date: 2005-Nov-01
Document File: 6 page(s) / 31K

Publishing Venue

The IP.com Prior Art Database

Related People

Garry Woltman: AUTHOR

Related Documents

20050124953: PATAPP

Abstract

Methods of making an absorbent article with a segmented and separate absorbent structure are described. This absorbent structure is to be made from a continuous strip of absorbent material that can be shaped such that the segment's outside edge can match the contour of the women's thighs to provide better comfort and protection. During manufacture, a strip of absorbent material is divided into two through a continuous longitudinal cut along the longitudinal center line, with the cut alternating from side to side transversely across the center line. This cutting process creates two strips that have inward extending nested portions in a longitudinally offset alignment. The remaining steps subdivide these strips into individual segments and place them into the absorbent article. This publication is related to US 20050124953, "Absorbent Article with Segmented and Separated Absorbent Structure."

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This is the abbreviated version, containing approximately 22% of the total text.

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A METHOD TO MAKE AN ABSORBENT ARTICLE WITH SEGMENTED AND SEPARATED ABSORBENT STRUCTURE

        Garry Woltman Kimberly-Clark Corp., Neenah, Wisconsin

Abstract

    Methods of making an absorbent article with a segmented and separate absorbent structure are described. This absorbent structure is to be made from a continuous strip of absorbent material that can be shaped such that the segment's outside edge can match the contour of the women's thighs to provide better comfort and protection. During manufacture, a strip of absorbent material is divided into two through a continuous longitudinal cut along the longitudinal center line, with the cut alternating from side to side transversely across the center line. This cutting process creates two strips that have inward extending nested portions in a longitudinally offset alignment. The remaining steps subdivide these strips into individual segments and place them into the absorbent article.

    This publication is related to US 20050124953, "Absorbent Article with Segmented and Separated Absorbent Structure."

Background

    A typical absorbent article includes a liquid permeable top sheet, a liquid impermeable back sheet, and an absorbent core or structure disposed between the top sheet and back sheet. A user wears the absorbent article in the crotch area of an undergarment. Exudates, such as urine and menses, pass through the top sheet for absorption by the absorbent core, and the back sheet prevents any exudates from penetrating the absorbent article and reaching the undergarment. The user generally wears the absorbent article a single time and discards the article after a relatively short period of use.

    The length, width, and thickness of the absorbent article depend on the particular application and intended user. Ideally, the absorbent article should fully cover the user's genital area, possess maximum fluid capacity, remain visually discrete from the outside of the undergarment, and minimize discomfort to the user.

    Various designs of absorbent articles exist to optimize the competing design considerations of coverage, capacity, visual discretion, and comfort. For example, U.S. Patent 6,160,197 discloses an absorbent article having an absorbent core positioned between a fluid-permeable cover and a fluid- impermeable baffle. The absorbent core further includes longitudinal flexure axes that permit the absorbent core to fold into a "W" shape when subjected to lateral compressive forces, such as the user's legs. In this manner, the absorbent core can be made wider to cover a larger area and possess additional fluid capacity,

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yet the absorbent core may collapse to a "W" shape when compressed to reduce the width and promote comfort.

    U.S. Patent 5,514,104 discloses another attempt to improve the coverage and capacity of the absorbent core without sacrificing visual discretion or comfort. As disclosed in U.S. Patent 5,514,104, the posterior and/or anterior end of the absorbent article includes a...