Method of measuring the pressure in a vacuum package

Details Method of measuring the pressure in a vacuum package Method of measuring the pressure in a vacuum package

1985-04-09

1987-04-14

Levy, Stewart J.

Measuring and testing

With fluid pressure

Leakage

73 52, G01M 334

Patent

active

046568662

ABSTRACT:
This invention relates to measuring the pressure within a vacuum package prising a flexible, gas-tight film. The package is placed within a bell jar in which a vacuum is generated, and the pressure variation is measured as function of the time.

REFERENCES:
patent: 3117441 (1964-01-01), Zimmerman
patent: 3667281 (1972-06-01), Pfeifer
patent: 3859844 (1975-01-01), Hruby
patent: 4188819 (1980-02-01), Egee et al.
patent: 4478070 (1984-11-01), Clifford et al.

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