Hydraulic sealing member and process

Details Hydraulic sealing member and process Hydraulic sealing member and process

1975-01-06

1976-07-27

Rothberg, Samuel B.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277236, 277 1, F16J 1508

Patent

active

039715663

ABSTRACT:
Disclosed herein is a metallic V-ring sealing member capable of sealing hydraulic fluid against egress from a hydraulic system. The sealing member of the invention is fabricated from a metal capable of undergoing an austenitic to martensitic state change upon cooling below a transition temperature and of undergoing a further transformation from martensitic to austenitic state upon warming to a temperature of less than the operating temperature of the system. By the process of the invention, a hydraulic system may be sealed by cooling the sealing member of the invention below its transition temperature, placing the sealing member in sealing relationship to the parts of the system to be sealed and warming the sealing member to effect a transformation from its martensitic state to its austenitic state.

REFERENCES:
patent: 3007721 (1961-11-01), Schmohl et al.
patent: 3098662 (1963-07-01), Iversen
patent: 3174851 (1965-03-01), Buehler et al.
patent: 3273918 (1966-09-01), Legarra et al.
patent: 3637223 (1972-01-01), Weber

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