Impregnated flat sealing gasket and method of making the same

Details Impregnated flat sealing gasket and method of making the same Impregnated flat sealing gasket and method of making the same

1985-03-07

1986-07-15

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277228, 277235B, 277DIG6, 264137, 4273722, 4273855, F16J 1510, B32B 3112, B32B 3126

Patent

active

046002014

ABSTRACT:
A method of making a flat gasket comprising a non-woven mat having opposite faces, including the steps of impregnating the mat with a polymerizable liquid impregnating agent and applying to at least one part of at least one mat face a coating containing a polymerizable polymer material. The coating is applied to the impregnated mat prior to polymerization of the impregnating agent. The impregnating agent and the coating are simultaneously polymerized in one operation.

REFERENCES:
patent: Re29375 (1977-08-01), Thiele
patent: 3970322 (1976-07-01), Stecher et al.
patent: 4201804 (1980-05-01), Stecher et al.
patent: 4317575 (1982-03-01), Cavicchio

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