Twist seal for high-pressure vessels such as space shuttle rocke

Details Twist seal for high-pressure vessels such as space shuttle rocke Twist seal for high-pressure vessels such as space shuttle rocke

1988-12-05

1989-07-18

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 27, 277165, 277235A, F16J 1528, F16J 1508

Patent

active

048487783

ABSTRACT:
Seals for sealing clevis and flange joints (14) of a solid rocket booster motor, and more particularly to a seal (30) which is twisted upon application of expansion forces to an edge seal (36). This twisting motion initially causes a leading edge seal (44) to be urged into sealing engagement with a surface (48) of an adjacent member (20) and thereafter, increasing fluid pressure on a pressurized side (64) of a seal (30) drives a broad sealing region (46) into sealing engagement with a surface (48).

REFERENCES:
patent: 1546525 (1925-07-01), Wasson
patent: 2970023 (1961-01-01), Thompson
patent: 3207524 (1965-09-01), Tabovich
patent: 3567258 (1971-03-01), Scaramucci
patent: 4477093 (1984-10-01), Adamek

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