Process of forming an embossed surface covering having a wear la

Details Process of forming an embossed surface covering having a wear la Process of forming an embossed surface covering having a wear la

1981-08-24

1983-05-24

Kimlin, Edward C.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156209, 156219, 156221, 427244, 427270, B32B 518, B31F 100, B05D 500

Patent

active

043849040

ABSTRACT:
The present invention relates to superior wear layer-coated embossed surface coverings which are prepared by depositing a cross-linking initiator on at least a portion of the surface of a cross-linkable foam formed on a backing. Preferably a wear layer is applied at this point and cross-linking of the affected areas is accomplished by heating the sheet. The sheet of material is either uniformly or differentially heated and then uniformly compressed to a desired embossing depth using a non-patterned press or roll. The noncross-linked regions remain depressed upon removal of the compressing force whereas the cross-linked regions return essentially to their original height. The wear layer remains in contact with all of the foam regions so that the resulting sheet of material has a wear layer which is uniformly adhered to the contour of the foam layer. The surface of the sheet has an embossed or textured finish.

REFERENCES:
patent: 3808024 (1974-04-01), Witman
patent: 3856592 (1974-12-01), Giorgi
patent: 4075049 (1978-02-01), Wood
patent: 4085239 (1978-04-01), Briston et al.
patent: 4198448 (1980-04-01), Kauffman et al.
patent: 4230759 (1980-10-01), Kauffman et al.
patent: 4258085 (1981-03-01), Kauffman et al.
patent: 4277427 (1981-07-01), Kaminski et al.

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