Permeation resistant covering material

Details Permeation resistant covering material Permeation resistant covering material

1979-12-26

1981-08-11

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428285, 428286, 428315, 428518, 428520, B32B 518, B32B 1710, B32B 1908, B32B 2730

Patent

active

042834562

ABSTRACT:
Sheet vinyl covering material having a moisture permeable backing layer of material such as asbestos felt which is dimensionally stable under varying moisture conditions and resistant to degradation from water. The backing layer is sealed on one side with a layer of vinyl halide-vinylidene halide copolymer which is overlaid with a layer of open cellular foamed resinous material. The sheet vinyl laminate also has a resinous wear layer overlying the foamed layer.

REFERENCES:
patent: 3293094 (1966-12-01), Nairn et al.
patent: 3408248 (1968-10-01), Maass
patent: 3458337 (1969-07-01), Rugg
patent: 3987229 (1976-10-01), Rairdon
patent: 4128688 (1978-12-01), Wiley
patent: 4129676 (1978-12-01), Guglielmo, Sr.
patent: 4131700 (1978-12-01), Guglielmo, Sr.
patent: 4175154 (1979-11-01), Faust et al.
patent: 4176210 (1979-11-01), Skinner

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