Seal having resilient core and outer cover

Details Seal having resilient core and outer cover Seal having resilient core and outer cover

1981-02-26

1982-05-04

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Fold at edge

49496, 156 79, 15624411, 428101, 428358, B32B 306, B32B 308, B32B 520

Patent

active

043282733

ABSTRACT:
A sealing element for attachment to a door, window or other structure comprises a resilient foam core enveloped by a wrap-around outer cover having a flexible portion and a relatively rigid portion for attaching the seal to another structure. The cover has opposite edges which are configured to lock together so as to contain the foam core. The seal may be produced by coextruding the portions of the cover, partially shaping the cover, laying in foamable core material, further shaping the cover, locking the edges of the cover together and causing the core material to foam within the interior of the thus-closed cover.

REFERENCES:
patent: 2724877 (1955-11-01), Ramsay
patent: 3378956 (1968-04-01), Parks et al.
patent: 3564773 (1971-02-01), Bonnaud
patent: 3700368 (1972-10-01), Wells
patent: 3781390 (1973-12-01), Wells
patent: 3941543 (1976-03-01), Buonanno
patent: 4123100 (1978-10-01), Ellis

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