Polyurethane foam articles coated with a crushed foam and method

Details Polyurethane foam articles coated with a crushed foam and method Polyurethane foam articles coated with a crushed foam and method

1976-07-07

1981-05-05

Lusignan, Michael R.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

181294, 264 451, 264 48, 264321, 427244, 427276, 427278, 427358, 427365, 427369, 427373, 427379, B32B 518, B32B 2700

Patent

active

042659655

ABSTRACT:
Crushed foam coated urethane foam is disclosed wherein the crushed foam coating contains a pigment or a flame retardant or both to protect the urethane foam against discoloration due to ultraviolet light or to provide protection against fires. The crushed foam may be obtained from a frothed latex applied to the polyurethane foam, dried and crushed to a final thickness of 10 mils to 250 mils.

REFERENCES:
patent: 2994110 (1961-08-01), Hardy
patent: 3228820 (1966-01-01), Samson
patent: 3443007 (1969-05-01), Hardy
patent: 3607341 (1971-09-01), Goins
patent: 3607593 (1971-09-01), Semenzato
patent: 3709966 (1973-01-01), Gambardella
patent: 3887409 (1975-06-01), McCreary et al.
patent: 4049848 (1977-09-01), Goodale et al.

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