Seal with cleft seating surface

Details Seal with cleft seating surface Seal with cleft seating surface

1984-09-24

1986-04-15

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277166, 277226, F16J 1512, F16J 1518

Patent

active

045823308

ABSTRACT:
An annular or linear seal having a substantially K-shaped cross section. The seal with cleft seating surface provides a two-way pressure barrier when it is installed in a groove having a cross section of "sigma" shape, wherein the flat side of the K-shaped cross section of the seal with cleft seating surface is in contact with an interface in a sliding relationship and the concave side opposite to the flat side of K-shaped cross section seats on the convex bottom of the groove with a "sigma"-shaped cross section. Of course, the seal with cleft seating surface may be used as a static seal disposed intermediate two surfaces including no movement therebetween.

REFERENCES:
patent: 2470925 (1949-05-01), Fredrickson
patent: 2511386 (1950-06-01), Warren
patent: 2700561 (1955-01-01), Svenson
patent: 2888281 (1959-05-01), Ratti
patent: 3083023 (1963-03-01), Creavey
patent: 3090630 (1963-05-01), Gasche
patent: 3158379 (1964-11-01), Nava et al.
patent: 3612551 (1971-10-01), Grabill

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