Open cell foam resin sheet having a relief pattern thereon

Details Open cell foam resin sheet having a relief pattern thereon Open cell foam resin sheet having a relief pattern thereon

1981-04-13

1982-11-23

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428170, 428173, B32B 312, B32B 326

Patent

active

043605583

ABSTRACT:
A method for making a vinyl chloride resin sheet having a raised pattern thereon. The method comprises the steps of providing an open-celled vinyl chloride resin sheet and printing a portion of the sheet with a composition comprising a cross-linkable compound in accordance with the pattern to be formed. The printed sheet is then dried and subsequently heated to a temperature higher than its softening temperature whereby the open-celled unprinted portion of the sheet is depressed and whereby the printed pattern remains open-celled and stands in relief with respect to the depressed portion.

REFERENCES:
patent: 3070476 (1962-12-01), Miller
patent: 3293094 (1966-12-01), Nairn et al.
patent: 3293108 (1966-12-01), Nairn et al.
patent: 3519527 (1970-07-01), Crowley
patent: 3800013 (1974-03-01), Allan
patent: 3857915 (1974-12-01), Crowley
patent: 3941636 (1976-03-01), Drout et al.
patent: 4068030 (1978-01-01), Witman
patent: 4082876 (1978-04-01), Miura
patent: 4090007 (1978-05-01), Crowley
patent: 4187338 (1980-02-01), Miura

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