Method and apparatus for the detectable release of gases

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United States of America Patent

PATENT NO 4720994
SERIAL NO

06891371

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Abstract

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A method and apparatus with which a sealed gas containing first container, which is disposed in a sealed inaccessible and not visually observable further container, can be detectably opened. A thermally inducible opening mechanism disposed in a gas flow or connecting path in the wall of the first container is actuated and the gas escaping through the connecting path is detected acoustically. Among other uses, the invention can be used, in particular, for containers having radioactive contents which can be manipulated, welded and leak checked only in hot cells. The method is particularly suitable for leak checking fuel element containers or molds containing highly radioactive vitrified waste since the closing member of the first container can be composed of a soft solder plug and this plug can be melted out by local heating.

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Patent Owner(s)

Patent OwnerAddress
GESELLSCHAFT FUR STRAHLEN- UND UMWELTFORSCHUNG MBHINGOLSTADTER LANDSTRASSE 1 D-8042 NEUHERBERG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kessels, Winfried Burgdalf, DE 1 1
Muller, Klaus Braunschweig-Stockhelm, DE 165 1839
Telgmann, Martinus Greven, DE 1 1

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