Hermetically sealed devices for leak detection

Details Hermetically sealed devices for leak detection Hermetically sealed devices for leak detection

1997-03-31

1999-07-27

Johnson, Stephen M.

Ammunition and explosives

Igniting devices and systems

Electrical primer or ignitor

1022029, 10220214, 73 407, 73 493, F42B 312

Patent

active

059293675

ABSTRACT:
A method of providing a gas-gettering medium within hermetically sealed devices which allows small cavity devices to be leak tested to verify their seal integrity. The gettering medium utilizes forms of charcoal, including activated carbon materials. A hermetically sealed device with the charcoal incorporated therein, as in an otherwise normal void in the device, or mixed with a charge of explosive in the device.

REFERENCES:
patent: 1999820 (1935-04-01), Nash
patent: 3580171 (1971-05-01), Maes
patent: 4493207 (1985-01-01), Dempsey

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