10.13.15
Azusa Matsushima, Kagawa, Japan; and Kouichi Yamaki, Kagawa, Japan. Assigned to Unicharm Corporation, Ehime, Japan.
Filed: 9/28/11
Issued: 9/1/15
An absorbent article having water disintegratability comprising: a water disintegratable to sheet, a water disintegratable back sheet, a pressure-sensitive adhesive section for attaching the absorbent article to clothing, disposed on the surface of the back sheet opposite the to sheet, and a release sheet for protection of a contact surface of the pressure-sensitive adhesive section which contacts with clothing, wherein one or more protrusions and one or more depressions are formed on the contact surface of the pressure-sensitive adhesive section, wherein the back sheet has one or more protruding sections and one or more depressed sections, and the protrusions and depressions of the pressure-sensitive adhesive section are formed along the protruding sections and depressed sections, respectively, and wherein the pressure-sensitive adhesive section comprises a plurality of mutually independent regions, and the protrusions and depressions are formed in each of the regions.
Filed: 9/28/11
Issued: 9/1/15
An absorbent article having water disintegratability comprising: a water disintegratable to sheet, a water disintegratable back sheet, a pressure-sensitive adhesive section for attaching the absorbent article to clothing, disposed on the surface of the back sheet opposite the to sheet, and a release sheet for protection of a contact surface of the pressure-sensitive adhesive section which contacts with clothing, wherein one or more protrusions and one or more depressions are formed on the contact surface of the pressure-sensitive adhesive section, wherein the back sheet has one or more protruding sections and one or more depressed sections, and the protrusions and depressions of the pressure-sensitive adhesive section are formed along the protruding sections and depressed sections, respectively, and wherein the pressure-sensitive adhesive section comprises a plurality of mutually independent regions, and the protrusions and depressions are formed in each of the regions.