Metal-covered sealing gasket having a soft, heat resistant, expa

Details Metal-covered sealing gasket having a soft, heat resistant, expa Metal-covered sealing gasket having a soft, heat resistant, expa

1992-03-30

1993-12-14

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277DIG6, F16J 1512

Patent

active

052695409

ABSTRACT:
The present invention relates to a metal-covered gasket in which a soft core member (2, 12, 22, 32, 42, 52) containing unexpanded or expanded vermiculite is covered with a metallic sheet (3, 13A, 13B, 23A, 23B, 33A, 33B, 43, 53A, 53B). There are provided good sealing properties by the soft core member mainly composed of inorganic fibers and treated unexpanded vermiculite the expansion amount and expansion force of which are increased due to ion exchange by treatment with chemicals, or by the soft core member solely made of expanded vermiculite. Reinforcing metallic sheets (44, 54) for restraining the vermiculite from transversely sliding and for further improving the entire shape retention may be embedded in the soft core member or laminated on the surface thereof.

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