Title:
CONTAINER FOR SHIELD TRANSPORTION AND OR SHIELD STORAGE
Document Type and Number:
Japanese Patent JPS5810699
Kind Code:
A
Abstract:
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 therebetween 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.
More Like This:
| JPS61164961 | SEALING DEVICE |
| JP3600551 | Sealed metal container for radioactive materials |
Inventors:
KURAUSU YANBERUKU
DEIITAA METORINGU
DEIITAA METORINGU
Application Number:
JP11184282A
Publication Date:
January 21, 1983
Filing Date:
June 30, 1982
Export Citation:
Assignee:
NUKLEAR SERVICE GMBH GNS
International Classes:
G21F5/12; (IPC1-7): G21F5/00
Domestic Patent References:
| JPS55138694A | 1980-10-29 | |||
| JPS5310099U | 1978-01-27 | |||
| JPS5489197A | 1979-07-14 |
Attorney, Agent or Firm:
Tajiro Taiji