07.06.18
Carsten Heinrich Kreuzer, Hofheim, Germany; Rodrigo Rosati, Frankfurt am Main, Germany; Blanca Arizti, Frankfurt am Main, Germany; Hans Adolf Jackels, Mechernich, Germany; Ernesto G. Bianchi, Oberursel, Germany; and Donald Carroll Roe, West Chester, OH.
Assigned to Procter & Gamble, Cincinnati, OH.
Filed: 6/8/12
Issued: 5/22/18
An article comprising a topsheet, a backsheet and an absorbent core disposed between the topsheet and backsheet, wherein the absorbent core comprises first and second absorbent structures, each absorbent structure comprising an absorbent layer comprising absorbent polymer particles and a substrate layer, wherein the absorbent layer is supported by the substrate layer, each of the absorbent layers comprising: i. transverse and longitudinal dimensions; ii. a pair of opposing longitudinal edges extending in the longitudinal dimension; iii. a pair of opposing transverse edges extending in the transverse dimension; iv. front, crotch and back regions arranged sequentially in the longitudinal dimension; and v. two longitudinal portions delimited by a plane perpendicular to the central longitudinal axis of the absorbent layer; wherein the absorbent layer of the first absorbent structure comprises two or more continuously extending channels; each channel having a width of at least 3 mm, being substantially free of the absorbent polymer particles and extending through the thickness of the absorbent layer; wherein the absorbent layer of the second absorbent structure is free of the channels and comprises less than 5% by weight of cellulose and in direct contact with the first absorbent structure; and wherein each longitudinal portion of the absorbent layer of the first absorbent structure comprises at least one longitudinal channel extending in the longitudinal dimension of the absorbent layer and being present in any of the crotch region and the front region with the proviso that the absorbent layer of the first absorbent structure is free of channels extending up to the longitudinal and transverse edges of the absorbent layer, and wherein the substrate layer of the first absorbent structure comprises a nonwoven and wherein the substrate layer undulates into the channels; and wherein the article further comprises an acquisition system disposed between the topsheet and the substrate layer of the first absorbent structure.
Assigned to Procter & Gamble, Cincinnati, OH.
Filed: 6/8/12
Issued: 5/22/18
An article comprising a topsheet, a backsheet and an absorbent core disposed between the topsheet and backsheet, wherein the absorbent core comprises first and second absorbent structures, each absorbent structure comprising an absorbent layer comprising absorbent polymer particles and a substrate layer, wherein the absorbent layer is supported by the substrate layer, each of the absorbent layers comprising: i. transverse and longitudinal dimensions; ii. a pair of opposing longitudinal edges extending in the longitudinal dimension; iii. a pair of opposing transverse edges extending in the transverse dimension; iv. front, crotch and back regions arranged sequentially in the longitudinal dimension; and v. two longitudinal portions delimited by a plane perpendicular to the central longitudinal axis of the absorbent layer; wherein the absorbent layer of the first absorbent structure comprises two or more continuously extending channels; each channel having a width of at least 3 mm, being substantially free of the absorbent polymer particles and extending through the thickness of the absorbent layer; wherein the absorbent layer of the second absorbent structure is free of the channels and comprises less than 5% by weight of cellulose and in direct contact with the first absorbent structure; and wherein each longitudinal portion of the absorbent layer of the first absorbent structure comprises at least one longitudinal channel extending in the longitudinal dimension of the absorbent layer and being present in any of the crotch region and the front region with the proviso that the absorbent layer of the first absorbent structure is free of channels extending up to the longitudinal and transverse edges of the absorbent layer, and wherein the substrate layer of the first absorbent structure comprises a nonwoven and wherein the substrate layer undulates into the channels; and wherein the article further comprises an acquisition system disposed between the topsheet and the substrate layer of the first absorbent structure.
