Non-nested two-ply absorbent fibrous sheet material

Details Non-nested two-ply absorbent fibrous sheet material Non-nested two-ply absorbent fibrous sheet material

1973-07-05

1976-02-24

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

156210, 162112, 162117, 428180, 428184, B32B 300, B32B 328

Patent

active

039405290

ABSTRACT:
Disclosed is a non-nested, two-ply, absorbent fibrous sheet material consisting of two webs which each have a plurality of crests and depressions on its surface facing the other web. The crests on each web are positioned between the crests of the other web and are spaced from the depressions of the other web to leave spaces in the sheet material for increased absorbency and bulk. The two webs are joined together at locations intermediate the crests and depressions of at least one of the webs, preferably by mechanical welding in a manner which produces perforations in the sheet material. Also disclosed is the method and apparatus for making the two-ply sheet material.

REFERENCES:
patent: 3414459 (1968-12-01), Wells
patent: 3556907 (1971-01-01), Nystrand
patent: 3708366 (1973-01-01), Donnelly
patent: 3738905 (1973-06-01), Thomas
patent: R27453 (1972-08-01), Schutte et al.

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