Patents

Pant-Type Absorbent Article with Waist Guard

U.S. Patent No. 12,564,522

Abhishek Prakash Surushe, Kelkheim, Germany; Lan Luan, Frankfurt am Main, Germany; Qiuxia Yang, Schwalbach am Taunus, Germany; Ekaterina Ponomarenko, Mechernich, Germany; and Wolfgang Edgar Huhn, Blue Ash, OH.

Assigned to The Procter & Gamble Company, Cincinnati, OH.


Filed: 4/20/22
Issued: 3/3/26

An absorbent article having a longitudinal direction and a transverse direction, the absorbent article comprising: a front elastic belt, a back elastic belt, and a crotch region, wherein the crotch region extends longitudinally between the front elastic belt and the back elastic belt; an absorbent main body connected with the front elastic belt and the back elastic belt extending an entire longitudinal dimension of the crotch region, wherein the absorbent main body comprises: a topsheet, a backsheet, and an absorbent material region sandwiched between; a pair of side seams that join the front elastic belt and the back elastic belt to form a waist opening and a pair of leg openings, wherein each side seam comprises a seam length LS; wherein the back elastic belt comprises a laminate comprising a plurality of elastic members sandwiched between an outer sheet and an inner sheet, a distal edge, a proximal edge, and zones extending in the transverse direction defined by locations from the distal edge to the proximal edge relative to a percentage of the seam length LS, wherein the distal edge is defined as 0% and the proximal edge is defined as 100%, a waist guard extending toward the crotch region from a closed base line toward an open edge, wherein the waist guard is partially bonded to the back elastic belt to define a pocket, wherein the pocket superposes the backsheet and an entirety of the pocket is provided within a location of from 5% to 60% of LS; wherein the outer sheet of the back elastic belt is folded at a first fold line and a second fold line to define the waist guard, wherein the first fold line defines the distal edge of the back elastic belt and the second fold line defines the open edge of the waist guard, wherein a first portion of the outer sheet extends longitudinally inwardly toward the crotch region from the first fold line to the second fold line, and wherein a second portion of the outer sheet extends longitudinally away from the crotch region from the second fold line to an edge of the outer sheet, wherein the second portion of the outer sheet is positioned between the first portion of the outer sheet and the inner sheet; wherein the waist guard comprises a waist guard elastic portion in an area defining the pocket, wherein an area of the back elastic belt superposing the waist guard elastic portion is defined as a correlated portion, wherein the tensile stress of the waist guard elastic portion is different than that of the correlated portion; and wherein the absorbent article comprises a Blowout Percent Leakage of less than 4% when subjected to the Blowout Method herein; and wherein the absorbent article comprises a Waist Circumference Force of more than 5.6 N as measured in accordance with the Waist Circumference Force test methods set out herein. 

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