Pressure seal for ultra-high pressure apparatus

Details Pressure seal for ultra-high pressure apparatus Pressure seal for ultra-high pressure apparatus

1982-08-12

1986-01-28

Hershkovitz, Abraham

Expansible chamber devices

With guide or seal on cylinder end portion for piston or...

Non-metallic seal means between piston or member and end...

92171, 92DIG1, F16J 1518

Patent

active

045663726

ABSTRACT:
The cylinder of a fluid actuated, extremely high pressure ram has an insert in its interior surface which carries a packing seal. The interface between the insert and the cylinder portion which receives the insert can also receive the pressurizing fluid which operates the ram so that the insert inner diameter will not change as the fluid pressure is increased to operate the ram and so that the gap between the interior diameter of the insert and the ram will not change even though the main cylinder body has its interior diameter increased due to the ram operating pressure.

REFERENCES:
patent: 1063790 (1913-06-01), Greaves
patent: 2565701 (1951-08-01), Stewart
patent: 2641514 (1953-06-01), Hecker
patent: 3055668 (1962-09-01), Ragland et al.
patent: 3070070 (1962-12-01), Trevor
patent: 3156475 (1964-11-01), Gerard et al.
patent: 3514113 (1970-05-01), Weiswurm
patent: 3565446 (1971-02-01), Nyberg
patent: 3975991 (1976-08-01), Nakajima
patent: 4055107 (1977-10-01), Bartley
patent: 4173881 (1979-11-01), Rose
patent: 4230324 (1980-10-01), Derman
patent: 4283062 (1981-08-01), Catanzaro et al.

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