Seal tester

Details Seal tester Seal tester

1975-11-06

1976-09-28

Queisser, Richard C.

Measuring and testing

With fluid pressure

Leakage

73 46, G01M 326

Patent

active

039824217

ABSTRACT:
A pneumatic cylinder having a manually retractible piston therein operative to draw a vacuum upon the sealing of a readily compressible sealing head about an area to be tested for leakage. A spring loaded lever selectively engages between the piston manipulating handle and the cylinder end upon a retraction of the piston to provide a generally uniform application of vacuum pressure and maintain the applied pressure which is in turn registered on an attached vacuum gauge communicating with the cylinder near the seal.

REFERENCES:
patent: 1371484 (1921-03-01), Howard
patent: 1414075 (1922-04-01), Dodds
patent: 3043129 (1962-07-01), King
patent: 3793876 (1974-02-01), Oswald
patent: 3882715 (1975-05-01), Slinger

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