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Class Information
Number: 976/DIG.173
Name: Nuclear technology > Pressure vessels; containment vessels [g21c-13/00] *** (chemical or physical processes b01j-3/00; pressure vessels in general f16j-12/00) > Details (e.g., seals, supporting constructions, ventillating arrangements, tube joints with a vessel wall) [g21c-13/02] > Tube crossings through a vessel wall [g21c-13/02h]
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
4885122 Instrumentation port clamps Dec. 5, 1989
4826217 Apparatus and method for sealing a tube joint May. 2, 1989
4812285 Instrumentation port clamps and clamping systems Mar. 14, 1989
4808370 Connection of a hot gas line to the core barrel of a gas-cooled high-temperature nuclear reactor Feb. 28, 1989
4807262 Apparatus for sealing the seam between two conduits Feb. 21, 1989
4741561 Remotely monitored seal in a connection joint May. 3, 1988
4734250 Concentric pipe loop arrangement for pressurized water nuclear reactors Mar. 29, 1988
4723795 Instrument penetration for high pressure vessels Feb. 9, 1988
4687625 Piping of nuclear reactor containment vessel Aug. 18, 1987
4653172 Axial clamp for nuclear reactor head penetration conoseal joints Mar. 31, 1987
4611813 Method of and apparatus for providing an annular seal Sep. 16, 1986
4600553 Reactor cavity Jul. 15, 1986
4587082 Passage through the wall of a reinforced concrete pressure vessel May. 6, 1986
4477409 Reinforced concrete pressure vessels for nuclear reactor installations Oct. 16, 1984
4440339 Method of repairing housing of control rod driving system Apr. 3, 1984
4425963 Heat insulation for dome-shaped bottom and/or cover region of a pressure vessel Jan. 17, 1984
4411308 Vaulted cover assembly to close a vertical recess in a pressure vessel Oct. 25, 1983
4405055 Vaulted cover with flange and plurality of pipe fittings Sep. 20, 1983
4400345 Nuclear boiler with concentric tubes and removable safety sleeve Aug. 23, 1983
4367195 Temperature homogenization apparatus Jan. 4, 1983
4356147 Fluid tight and thermally insulated coupling assembly Oct. 26, 1982
4289196 Modular heat exchangers for consolidated nuclear steam generator Sep. 15, 1981
4280871 Live steam shut-off device for pressurized water reactors Jul. 28, 1981
4236573 High-temperature gas exit from a pre-stressed pressure container Dec. 2, 1980
4189805 Adjustable hinge installation Feb. 26, 1980
4174123 Vessel penetration apparatus Nov. 13, 1979
4168071 Thermal isolator Sep. 18, 1979
4124064 Consolidated nuclear steam generator Nov. 7, 1978
4118276 Conduit system for gases of high temperature and high pressure Oct. 3, 1978
4092490 Nuclear reactor plant May. 30, 1978
4081325 Internal structure for a nuclear reactor vessel Mar. 28, 1978
4081322 Device for thermal insulation of a prestressed concrete vessel which affords resistance to the pressure of a vaporizable fluid contained in said vessel Mar. 28, 1978
4079967 Industrial technique Mar. 21, 1978
4077837 Pressurized-water reactor coolant pipe containment Mar. 7, 1978
4028176 Nuclear reactor installation Jun. 7, 1977
3989100 Industrial technique Nov. 2, 1976
3947322 Reactor pressure vessel support arrangement Mar. 30, 1976
3941187 Consolidated nuclear steam generator Mar. 2, 1976











 
 
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