Seal

Details Seal Seal

1985-01-23

1986-04-01

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277227, F16J 1532

Patent

active

045793522

ABSTRACT:
The invention is a seal for the gap between two parts which may or may not rotate with respect to each other which seal comprises a body of flexible material placed in a groove of one part and having a lip pressed against the surface of the other part, said lip having a reinforcement of a more rigid material which towards the surface engaged by the lip has ridges of a smaller surface area than the areas turned away from said surface, said reinforcement eventually extending through some or all other parts of the seal to prevent extrusion into the gap.

REFERENCES:
patent: 3400411 (1968-09-01), Harvey
patent: 4263243 (1981-04-01), Wilson
patent: 4345771 (1982-08-01), Hasegawa et al.
patent: 4519616 (1985-05-01), Johnston

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