Double faced insulating board

Details Double faced insulating board Double faced insulating board

1980-07-31

1982-09-28

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

156291, 428215, 428246, 428282, 428284, 4283055, 4283144, 4283171, 4284228, 4284231, 428489, B32B 326, B32B 518, B32B 714

Patent

active

043518737

ABSTRACT:
Double faced rigid polyurethane foam insulating board in which the first facing is adhered directly to the urethane foam and in which a second facing is intermittently adhered to and spaced from the first facing by areas of adhesive spaced so as to allow unrestricted lateral venting of gases from between the facings to the edges of the board.

REFERENCES:
patent: 3251727 (1966-05-01), Reynolds et al.
patent: 3360423 (1967-12-01), Lindberg
patent: 3411256 (1968-11-01), Best
patent: 3459628 (1969-08-01), Dixon et al.
patent: 3746604 (1973-07-01), Reynolds
patent: 4039709 (1977-08-01), Newman
patent: 4073998 (1978-02-01), O'Connor
patent: 4111081 (1978-09-01), Hilliard et al.
patent: 4136223 (1979-01-01), Harder
patent: 4287248 (1981-09-01), Gessner et al.

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