Sealed foam web

Details Sealed foam web Sealed foam web

1974-12-12

1976-06-29

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

427244, 427407, 428315, 428354, 428424, 428425, B32B 326

Patent

active

039670287

ABSTRACT:
A web of polymeric foam which is sealed on one or both sides by a thin, hard plastic layer is disclosed. The sealed web is prepared by coating an auxiliary substrate with a film of hard plastic-forming resin, laminating this film to a polymeric foam web by means of a curable adhesive applied to the hard plastic, and removing the auxiliary substrate.

REFERENCES:
patent: 3039907 (1962-06-01), Scholl
patent: 3400196 (1968-09-01), Le Roy
patent: 3563845 (1971-02-01), Stevens
patent: 3607602 (1971-09-01), Greskiewicz
patent: 3650880 (1972-03-01), Tieniber
patent: 3788882 (1974-01-01), Noone
patent: 3794548 (1974-02-01), Wirth et al.

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