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U.S. Patent No. 11,116,676
November 8, 2021
By: Karen McIntyre
Editor
Satoko Konawa, Tochigi, Japan. Assigned to Daio Paper Corporation, Ehime, Japan. Filed: 9/25/15 Issued: 9/14/21 A disposable diaper comprising: a crotch portion; a ventral-side portion extending toward the ventral side of the crotch portion; a dorsal-side portion extending toward the dorsal side of the crotch portion; an absorber in the crotch portion, the ventral-side portion, and the dorsal-side portion, and a concave portion having no absorber and formed at a width-direction center of a width-direction slit, wherein the absorber is divided in a front-back direction by the width-direction slit entirely extending in the width direction from left side edge to right side edge of the absorber and provided on at least one of front and back sides of the crotch portion, wherein the absorber in the crotch portion is in a same plane as the absorber in the ventral-side portion and the absorber in the dorsal-side portion, and wherein the concave portion extends from a waist side edge of the with-direction slit and recesses toward a waist side of the disposable diaper, wherein width-direction both side edges of the concave portion are deformed to close the concave portion so that a portion of the absorber surrounding the concave portion is rounded along a surface of a wearer’s body.
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