Foam strip wound up into a roll, preferably for sealing purposes

Details Foam strip wound up into a roll, preferably for sealing purposes Foam strip wound up into a roll, preferably for sealing purposes

1982-08-20

1983-08-30

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

428 58, 4283184, 4283197, 428906, B32B 712

Patent

active

044017162

ABSTRACT:
A strip of impregnated and compressed foam material with delayed restoration which is rolled up into a roll, preferably for purposes of sealing, and particularly for improved sealing, the broad side of the roll is provided with a liquid-impermeable layer which adheres to the flank sides of the strip and which is expandable corresponding to the amount of restoration and has a spiral-shaped separation line corresponding to the winding joint of the s

REFERENCES:
patent: 3406087 (1968-10-01), Potter
patent: 4079170 (1978-03-01), Cluff
patent: 4181711 (1980-01-01), Ohashi et al.
patent: 4320611 (1982-03-01), Freeman
patent: 4356676 (1982-11-01), Hauptman
patent: 4369978 (1983-01-01), Watanabe

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