Air-laid absorbent sheet with sinuate emboss

Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness

Reexamination Certificate

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C428S171000, C428S172000, C428S167000, C428S153000, C162S109000, C162S113000, C162S157100, C162S157600, C604S385010, C604S385230, C604S379000, C604S380000, C604S370000, C604S371000, C604S365000, C604S367000, C604S374000, C604S378000, C604S358000

Reexamination Certificate

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09553928

ABSTRACT:
An absorbent sheet made from an air-laid fiber web includes a functional emboss pattern of a continuous (wave-like) shape extending in the machine direction of the sheet. The emboss pattern defines a plurality of compressed regions operative to preferentially convey sorbed liquid away from the point of insult to prevent product failure. The sheet is particularly useful as absorbent core material within a multi-layer absorbent pad. In a further aspect of the invention, there is provided a method of making absorbent sheet utilizing an emboss roll provided with radially projecting circumferential sinuate bosses.

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