B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 3/02 (2006.01) B05D 5/00 (2006.01) B32B 3/30 (2006.01) B44F 5/00 (2006.01)
Patent
CA 2332142
Surface coverings with mechanical and chemical embossing, and methods of manufacture thereof, are disclosed. The surface coverings include a substrate, a foam layer disposed on the substrate, wherein the foamed layer has a chemically embossed pattern imposed therein, a wear layer disposed on the foam layer, and a mechanically embossed, cross-linked top layer disposed on the wear layer. In one embodiment, a web is formed including a substrate, a curable wear layer, an expandable foam layer between the substrate and the wear layer, and at least one inhibitor composition disposed as a pattern proximate the foam layer. The wear layer is coated with a cross- linkable top coat and then heated to a temperature at which the top coat is substantially cross-linked and cured, the wear layer is substantially cured, the foam layer substantially expands, and the pattern is chemically embossed to form a surface covering. Thereafter, the surface covering is tempered to a temperature above ambient temperature. The top coat is then heated and at least one surface texture is mechanically embossed and set thereon. The mechanical embossing can be performed in register with a printed or chemically embossed pattern of the surface covering. In one embodiment, the surface covering lacks the top coat and the wear layer is mechanically embossed.
Brossman Craig
Kauffman William J.
Mcquate William M.
Armstrong World Industries Inc.
Gowling Lafleur Henderson Llp
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