Leak detection device for in-line measurement of package integri

Details Leak detection device for in-line measurement of package integri Leak detection device for in-line measurement of package integri

1990-09-11

1991-07-09

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

73 45400, G01M 320

Patent

active

050294636

ABSTRACT:
A leak detecting device for a package having a plastic cover. Before sealing the cover, a gas containing five percent helium is introduced into the package. The package is placed beneath a hood which has an aspiration device to move the air within the hood through a pipe. A helium sensor is placed within the pipe to detect helium which leaks from the package. The hood also carries a plate which is spring mounted and which comes into contact with the package lid as the hood is lowered over the package. This causes additional pressure within the package so as to accelerate the detection of any leak.

REFERENCES:
patent: 3027753 (1962-04-01), Harder, Jr.
patent: 3091114 (1963-05-01), Webster
patent: 3591944 (1971-07-01), Wilcox
patent: 3744210 (1973-07-01), O'Lenick et al.
patent: 3837228 (1974-09-01), Nemeth et al.
patent: 3888111 (1975-06-01), Craig
patent: 4158960 (1979-06-01), White et al.

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