Apparatus for and method of testing for leaks in packages

Measuring and testing – With fluid pressure – Leakage

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73 52, 73 454, G01M 336

Patent

active

046497404

ABSTRACT:
Apparatus for testing for leaks in a flexible package containing loosely packaged product and some air includes a first set of gravitational probes at a first measuring station for applying a load to the package and obtaining a first measure of the thickness of the package under this load, a second set of gravitational probes at a second measuring station for applying a corresponding load to the package in a corresponding position and direction with respect to the package and obtaining a second measure of the thickness of the package under the second load and means for comparing the first and second measures of thickness and for indicating the presence of a leak when the second measure is substantially less than the first.

REFERENCES:
patent: 3751972 (1973-08-01), Hass
patent: 3918293 (1975-11-01), Feigel
patent: 4024956 (1977-05-01), Cassidy
patent: 4510730 (1985-04-01), Edmondson
patent: 4517827 (1985-05-01), Tapscott

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