Means for testing containers for leakage

Details Means for testing containers for leakage Means for testing containers for leakage

1975-09-24

1977-03-22

Myracle, Jerry W.

Measuring and testing

With fluid pressure

Leakage

G01M 332

Patent

active

040129454

ABSTRACT:
A device for testing containers for leakage comprises a diaphragm box, in which a chamber is adapted to be connected to a test container or to a casing enclosing the container. At a change of the pressure the diaphragm closes a switch in an electric circuit also including a signal indicator and a timing relay which latter opens the circuit after a predetermined period of time, the signal indicator giving a signal only when the switch is closed before the relay is reversed.

REFERENCES:
patent: R26657 (1969-09-01), Fitzpatrick et al.
patent: 1414075 (1922-04-01), Dodds
patent: 1720934 (1929-07-01), Toleik
patent: 2472973 (1949-06-01), Hoffman et al.
patent: 2872806 (1959-02-01), Mamzic
patent: 3028750 (1962-04-01), Rondeau

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