Hermetically sealed devices for leak detection

  • US 5,452,661 A
  • Filed: 06/15/1994
  • Issued: 09/26/1995
  • Est. Priority Date: 06/15/1992
  • Status: Expired due to Term
First Claim
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1. A device having a container including at least two members, all said members being hermetically sealed together so that when properly assembled the hermetically sealed container will not pass a test tracer gas from the exterior of the container to the interior of the container,a quantity of coconut shell charcoal incorporated within said container before said sealing, said coconut shell charcoal being capable of gettering and retaining said test tracer gas leaking into said container during testing under external gas pressure for leakage of said hermetic seal prior to use of the device, anda charge of explosive, an igniter wire for said charge, and electrical conductors for connecting said igniter wire to an external power source, said charge, igniter wire and conductors being within said hermetically sealed container, and with said quantity of coconut shell charcoal disposed about said igniter wire, for leakage testing prior to igniting said explosive charge.

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