Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1978-07-13
1980-10-07
Smith, Robert I.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
F16J 1536
Patent
active
042264286
ABSTRACT:
A groove in one of a pair of members to be associated in a sealed connection receives a flexible seal having one end projecting through the opening of the groove for sealing engagement with the other member. An intermediate portion of the seal is sinuous-like in shape whereby upon being subjected to pressure from one side it is urged toward a straightened condition to increase the sealing engagement. In one construction of the invention, the sealing end of the seal has an enlarged head which provides a widened sealing surface and also insures against blowout. Fluid escape ports are provided in the sealing end to prevent pressure build-up on the low pressure side of the seal. The side walls of the seal-containing groove may be substantially parallel in one embodiment and in another embodiment may have a contour assuming roughly the shape of the sinuous-like seal portion.
REFERENCES:
patent: 2659617 (1953-11-01), Cobb
patent: 3114559 (1963-12-01), Miglietti et al.
patent: 3563510 (1971-02-01), Priese
patent: 3642248 (1972-02-01), Benware
patent: 3734457 (1973-03-01), Roos
patent: 3997142 (1976-12-01), Broadway
patent: 4037819 (1977-07-01), Kindersley
patent: 4044994 (1977-08-01), Priese
Eckelman Eugene M.
Smith Robert I.
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