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Title: Radioactive-waste container with leak monitor

Patent ·
OSTI ID:5751637

A container has a massive metallic vessel whose interior is adapted to receive radioactive waste and whose mouth is formed with inner and outer spaced generally planar and annular vessel shoulders and formed there-between with a nonplanar intermediate annular vessel surface. A massive metallic cover formed with a plug fits in the mouth and has respective inner and outer plug shoulders closely juxtaposed with the vessel shoulders and a nonplanar intermediate annular plug surface complementary to the intermediate vessel surface. An inner ring seal engages snugly between the inner shoulders. A pair of generally concentric and spaced outer ring seals engage snugly between the outer shoulders and forming an annular outer chamber therebetween. An intermediate ring seal engages snugly between the intermediate surfaces and forms therebetween and with the inner ring seal an annular inner chamber and therebetween and with the outer ring seals an intermediate chamber. The cover is formed with respective inner, intermediate, and outer passages each having one end opening into the respective chamber and another end. Valves are provided on the cover at the other ends of the passages for sampling gases therein and in the respective chambers.

Assignee:
GNS Gesellschaft fur Nuklear-Service mbH (Germany, Federal Republic of)
Patent Number(s):
US 4495139
OSTI ID:
5751637
Resource Relation:
Patent Priority Date: Priority date 9 Jul 1982, Germany, Federal Republic of (F.R. Germany); Other Information: PAT-APPL-396769
Country of Publication:
United States
Language:
English