Low friction seal for a floating roof

Details Low friction seal for a floating roof Low friction seal for a floating roof

1982-06-04

1983-09-27

Pollard, Steven M.

Receptacles

Closures

Floating closure

220221, B65D 8720

Patent

active

044063776

ABSTRACT:
An elastomeric composite strip, impermeable to petroleum vapor and useful as a seal in a floating roof tank, having thereon a layer of woven or nonwoven fabric or cloth of a polymeric material with a substantially lower coefficient of friction than the material otherwise comprising the surface of the elastomeric strip thereby providing a slick face adapted to essentially always contact a surface with which it has slidable contact with little or no sticking.

REFERENCES:
patent: 2656263 (1953-10-01), Larsen
patent: 2873042 (1959-02-01), Fino
patent: 3086216 (1963-04-01), Brooks et al.
patent: 3373891 (1968-03-01), Kidd
patent: 4116358 (1978-09-01), Kinghorn et al.
patent: 4130217 (1978-12-01), Hills et al.
patent: 4191303 (1980-03-01), Kinghorn, Sr. et al.
patent: 4276991 (1981-07-01), Gunther

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