Positive-contact seal

Details Positive-contact seal Positive-contact seal

1974-08-01

1976-02-17

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277134, F16J 1532

Patent

active

039388131

ABSTRACT:
An improvement in a sealing assembly for a shaft which sealing assembly has a housing for a fluid medium, a flexible sealing ring disposed within said housing and adapted to be disposed about said shaft in contact therewith and means for urging said flexible sealing ring disposed within said housing and adapted to be disposed about said shaft in contact therewith and means for urging said flexible sealing ring into contact with said shaft. The improvement resides in that the flexible sealing ring comprises a layer which is impermeable to said fluid medium, said layer disposed in facing relationship to the interior of said housing, said sealing ring having on its exterior surface which is to be in contact with the shaft free fiber ends, a majority of which are oriented in an axial direction towards the interior of said housing and are disposed in the direction of rotation of the shaft.

REFERENCES:
patent: 2804325 (1957-08-01), Riesing
patent: 2932535 (1960-04-01), Reickii
patent: 3545770 (1970-12-01), Wheelock
patent: 3801114 (1974-04-01), Bentley
patent: 3825271 (1974-07-01), Bellastio

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