Piston and sealing head therefor

Details Piston and sealing head therefor Piston and sealing head therefor

1978-07-27

1980-04-08

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277103, 2771166, 277212C, 92245, F16J 1532, F16J 1540

Patent

active

041969090

ABSTRACT:
The invention pertains to the sealing of pistons for pressurizing, pumping and displacing aggressive liquids and organic solvents. The design includes the sealing head proper and its attachment to the piston. Owing to its shape and material it is made of, the sealing head ensures a variable sealing thrust proportional to the pressure acting on the piston, thus enhancing the useful life of the seal.

REFERENCES:
patent: 2140778 (1938-12-01), White
patent: 2895773 (1959-07-01), McConnaughey
patent: 3874382 (1975-04-01), Nogier et al.

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