Spring seal

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member

Patent

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Details

277188R, F16J 1500, F16J 1524

Patent

active

043424635

ABSTRACT:
A sealing ring firmly grips a movable piston, performs the normal sealing function, and when pressure is released on the piston the sealing ring pulls back on the piston so as to retract the piston. The sealing ring is designed so as to fit in a conventional seal or "O" ring groove without any modification of the groove.

REFERENCES:
patent: 3582094 (1971-06-01), Whittaker
patent: 3765690 (1973-10-01), Sievenpiper
patent: 4229013 (1980-10-01), Burke et al.

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