Static seal

Details Static seal Static seal

1991-08-06

1993-03-23

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277229, 277235R, F16J 1506

Patent

active

051957590

ABSTRACT:
A static seal capable of accommodating significant lack of flatness comprises a PTFE envelope 1, within which is a filling 5 consisting of wound or nested turns of thin metal strip 7 perforated to provide resiliance in the direction of their width. Individual turns can move or collapse to different extents, thereby accommodating lack of flatness of surfaces to be sealed. Turns of fluid-impervious material may be distributed among the turns of perforated strip.

REFERENCES:
patent: 1651277 (1927-11-01), Hubbard
patent: 1653439 (1927-12-01), Payne
patent: 2882083 (1959-04-01), Palumbo et al.
patent: 3117795 (1964-01-01), Price
patent: 3235276 (1966-02-01), Leonard
patent: 3323807 (1967-06-01), Vanderbilt, Jr.
patent: 3371938 (1968-03-01), Hamm et al.
patent: 3854736 (1974-12-01), Farham
patent: 4893656 (1990-01-01), Willhoff
patent: 5082296 (1992-01-01), Aizawa et al.

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