Heat and vibration resistant seal

Details Heat and vibration resistant seal Heat and vibration resistant seal

1981-12-14

1984-04-10

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277234, F16J 1516

Patent

active

044417268

ABSTRACT:
A heat and vibration resistant seal construction for a valve assembly having a core member constructed of a dense, resilient material which retains its spring-like properties at elevated service temperatures. The core is surrounded by an intermediate wrap member of braided, ceramic fiber forming a co-extensive cover for the core member. Lastly, an outer wrap member constructed of braided wire metal mesh is provided around the intermediate wrap member. In a "tadpole" type seal embodiment, the intermediate wrap and outer wrap members include outwardly extending tail sections to provide means for attachment to the periphery of a valve housing or the like.

REFERENCES:
patent: 2144082 (1939-01-01), Pandall
patent: 2882082 (1959-04-01), Poltorak et al.
patent: 2924471 (1960-02-01), Poltorak et al.
patent: 3033722 (1962-05-01), Goodloe
patent: 3481824 (1969-12-01), Poltorak
patent: 3519282 (1970-07-01), Davis
patent: 3534652 (1970-10-01), Zumeta et al.
patent: 3578764 (1971-05-01), Nunnally et al.
patent: 4065138 (1977-12-01), Seuerinsen
patent: 4220342 (1980-09-01), Shah

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