Sealing device for temporary pressure sealing

Details Sealing device for temporary pressure sealing Sealing device for temporary pressure sealing

1979-07-30

1981-03-17

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 73, 277138, F16J 1516

Patent

active

042563143

ABSTRACT:
A pressure seal for a rotating shaft (3) is disclosed in which a rubber sealing ring (9) is arranged in a trapezoidal slot (4), the sealing ring being made so thin at the slot opening as to prevent the rubber from creeping beyond the edges of the slot opening during prolonged periods when pressure is applied to engage the sealing ring with the shaft.

REFERENCES:
patent: 2529744 (1950-11-01), Schwfitzer
patent: 2642942 (1953-06-01), Reynolds
patent: 2705608 (1955-04-01), Phillips
patent: 3465786 (1969-09-01), Spisak
patent: 4103903 (1978-08-01), Carriotti et al.
patent: 4204689 (1980-05-01), Johanasson

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