Concentric seal rings

Details Concentric seal rings Concentric seal rings

1985-12-19

1987-01-20

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277188A, 277207R, 277215, F16J 1512

Patent

active

046376194

ABSTRACT:
A plurality of concentric sealing rings on the face of a static sealing surface provides a positive seal when used with Teflon film or like materials that have a tendency to cold flow under pressure into recesses created by the concentric sealing rings.

REFERENCES:
patent: 101488 (1876-04-01), Mendham
patent: 279087 (1883-06-01), Emery
patent: 508765 (1893-11-01), Rouse
patent: 2200546 (1940-05-01), Furman
patent: 2815549 (1957-12-01), Olson
patent: 4406467 (1983-09-01), Burger et al.
patent: 4470608 (1984-09-01), Warren

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