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U.S. Patent No. 11,583,452

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By: Karen McIntyre

Editor, Nonwovens Industry

Tatsuhiko Kashiwagi, Tochigi, Japan.
Assigned to Daio Paper Corporation, Ehime, Japan.

Filed: 7/19/17
Issued: 2/21/23

A pad comprising a liquid-pervious front-face sheet, a liquid-impervious back-face sheet, an absorber provided between the front-face sheet and the back-face sheet, an outer sheet on an outer surface of the back-face sheet, and engagement members on both end portions in a front-back direction of the outer sheet, wherein the absorber is formed with a front body portion, a back body portion, and a narrowing portion, whose width dimension is reduced, provided between the front body portion and the back body portion, a first groove extending in a front-back direction is formed at a central portion in a width direction of the absorber, a third groove extending in the width direction is formed at a central portion in the front-back direction in the narrowing portion, a second groove extending in the width direction is formed in a front side portion in the front-back direction in the narrowing portion, and a fourth groove extending in the width direction is formed in a back side portion in the front-back direction in the narrowing portion, the second groove is formed with a second left groove extending to a back side in the front-back direction toward a left side in the width direction from the first groove and a second right groove extending to the back side in the front-back direction toward a right side in the width direction from the first groove, and the fourth groove is formed with a fourth left groove extending to a front side in the front-back direction toward the left side in the width direction from the first groove and a fourth right groove extending to the front side in the front-back direction toward the right side in the width direction from the first groove.

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