Constant pressure apparatus and method

Details Constant pressure apparatus and method Constant pressure apparatus and method

1979-06-01

1981-06-16

Woodiel, Donald O.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

G01N 310

Patent

active

042729947

ABSTRACT:
A method and apparatus for maintaining a constant elevated liquid pressure in a small vessel by pressuring with liquid the small vessel and a larger vessel in open communication therewith. The larger vessel, preferably, has a volume of about 20 to about 100 times the volume of the smaller vessel. In one embodiment the mechanical pressuring is reapplied to maintain a constant pressure in the vessels. In another embodiment, the temperature of the liquid in the larger vessel is manipulated to maintain pressure in the vessels.

REFERENCES:
patent: 2785272 (1957-03-01), Baly
patent: 2911511 (1959-11-01), Megarry
patent: 3199341 (1965-08-01), Heuer, Jr. et al.

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