Flexible wallcoverings

Details Flexible wallcoverings Flexible wallcoverings

1980-04-29

1981-03-31

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

427267, 427373, 428211, 428314, 428326, B32B 518

Patent

active

042593867

ABSTRACT:
A flexible wallcovering is made by applying a foamable composition (13) to a woodchip paper (12, 14) having woodchips defining a relief surface on the paper by a screen printing process and then foaming the composition. Preferably, the wallcovering is of two ply construction with a woodchip content between the plies and the paper is formulated so that the upper ply is dry removable from the lower ply. The woodchips are at least 2 mm in average length; and the woodchips form 20 to 35% by weight of the paper.

REFERENCES:
patent: 3061475 (1962-10-01), Wallace
patent: 3675245 (1972-07-01), Follett
patent: 3790421 (1974-02-01), Habgood, Jr.
patent: 3931429 (1976-01-01), Austin
patent: 4007071 (1977-02-01), Addie et al.
patent: 4136215 (1979-01-01), Den Otter et al.
patent: 4162342 (1979-07-01), Schwartz

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