Method and system for checking sealed containers for pinholes by

Details Method and system for checking sealed containers for pinholes by Method and system for checking sealed containers for pinholes by

1978-03-27

1981-01-06

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

73 52, G01R 3112, G01M 340

Patent

active

042439329

ABSTRACT:
A method of and a system for checking sealed containers for pinholes with contents enclosed therein by placing a sealed container between first and second electrodes, impressing voltage across the first electrode and second electrodes to generate two discharge current flows on the container and between the first electrode and second electrode respectively, detecting the discharge currents individually and converting the difference between the detected values to a detection signal value.

REFERENCES:
patent: 3346809 (1967-10-01), Bader et al.
patent: 3374428 (1968-03-01), Eager et al.
patent: 3555413 (1971-01-01), Matsuba
patent: 4125805 (1978-11-01), Nagamatsu

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