Patents

Absorbent Article Having Extended Cushion Layer With Corrugated Topsheet

February 26, 2008

Patented is an absorbent article comprising a liquid-permeable topsheet, a backsheet and an absorbent storage layer between the topsheet and the backsheet. A cushion layer is located between the topsheet and the absorbent storage layer. The absorbent storage layer is compressed to form a compressed groove surrounding a raised region. The raised region is elongated in a longitudinal direction of the absorbent article. The cushion layer is confined within a rear region of the raised region. The topsheet is corrugated within the rear region to have hills and valleys extending in the longitudinal direction and alternating with each other in a transverse direction of the absorbent article. When a tensile force of 490 mN per 25 mm width is applied to the topsheet in a transverse direction crossing the cushion layer, an extension is at least 30%. When the absorbent article is pressed from above in the rear region and the cushion layer has a pressure varying from 49 Pa to 4900 Pa, an initial thickness T0 of the pressed region of the absorbent article for a pressure of 49 Pa is at least 10 mm. A compressive hardness (LC value) is 0.5 to 0.65 and a compressive recovery (RC value) is at least 35%.
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