Package leak tester

Details Package leak tester Package leak tester

1983-07-25

1985-09-10

Goldberg, Gerald

Measuring and testing

With fluid pressure

Leakage

73 454, G01M 302

Patent

active

045398364

ABSTRACT:
A method and apparatus for testing packages for leaks. Selected values of suction and positive pressure are supplied to a testing position, which may be a test head. A package to be tested is held in the testing position by the suction, and positive pressure is introduced into the package through a puncture, which may be made before or after the package is placed in position. Values of suction and positive pressure are chosen such that a package meeting leakage specifications will contain sufficient positive pressure to overcome the suction, causing the package to be ejected from the testing position. If the package does not meet specification, leakage will cause the suction to hold the package in position. Thus, a rapid and visible indication of package quality is provided.

REFERENCES:
patent: 900324 (1908-06-01), Swangren
patent: 3369392 (1968-02-01), Christensson
patent: 3462996 (1969-08-01), Frank
patent: 4118972 (1978-10-01), Goeppner et al.

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