Process of forming an embossed surface covering

Details Process of forming an embossed surface covering Process of forming an embossed surface covering

1978-08-09

1980-10-28

Silverman, Stanley S.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

156 78, 156 79, 156220, 156272, 156277, 264 451, 264 51, 264 52, 264 53, 264 55, 264132, 264230, 264DIG18, 427 35, 427 431, 427 44, 427 541, 427261, 427264, 427271, 427277, 427340, 427373, 2041592, B32B 330, B32B 3128

Patent

active

042307597

ABSTRACT:
A process of forming an embossed surface covering is disclosed. The process comprises forming a cross-linkable foam comprising at least one polymer and having a first phase region and a second phase region; heat the foam to a temperature at least equal to the flow temperature of the first phase region; compressing the heated foam and cooling the foam while compressed; cross-linking a portion of the compressed foam; and reheating the compressed foam to permit the noncross-linked portion of the foam to return or "pop back" to substantially its precompressed shape and thus form an embossed surface covering.

REFERENCES:
patent: 3772138 (1973-11-01), Witman
patent: 4090007 (1978-05-01), Cranley
patent: 4100318 (1978-07-01), McCann et al.

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