Apparatus and process for producing a corrugated web and an...

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

Reexamination Certificate

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C428S182000, C428S183000, C428S184000, C428S185000, C604S385010, C604S385020

Reexamination Certificate

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10406350

ABSTRACT:
Absorbent article comprising a liquid-impermeable cover sheet, a liquid-permeable cover sheet, and an absorbent body between the liquid-impermeable cover sheet and the liquid-permeable cover sheet. Any one or all of the liquid-impermeable cover sheet, the liquid-permeable cover sheet, or the absorbent body can be made of a corrugated web which is corrugated from a sheet material which, in the process of being corrugated, is drawn in, and optionally elongated in a direction transverse to the corrugations, alternatively drawn-in along a direction transverse to a length of the web. The corrugated web can comprise corrugations of differing heights (H1).

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