Soft material sealing disc used as head gasket

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member

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Details

277DIG6, 427290, F16J 1512

Patent

active

043737358

ABSTRACT:
A porous soft material sealing gasket comprising an asbestos fiber web with a multiplicity of perforations. The perforated web is impregnated with an impregnating agent that at least partially fills the free pores of the web by penetrating through the perforations.

REFERENCES:
patent: 2139314 (1938-12-01), Oglesby
patent: 3136649 (1964-06-01), Keahey
patent: 3228786 (1966-01-01), Fitzgerald et al.
patent: 3970322 (1976-07-01), Stecher et al.
patent: 4201804 (1980-05-01), Stecher et al.

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