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Class Information
Number: 976/DIG.179
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] > Sealing plugs [g21c-13/06] > Closures for reactor-vessels (also rotatable) [g21c-13/06d] > Seals for closures or for rotatable closures [g21c-13/06d2]
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
4716005 Forming a seal between planar sealing surfaces Dec. 29, 1987
4696790 Prestressed concrete pressure vessel, in particular for a nuclear reactor installation Sep. 29, 1987
4341732 Nuclear reactor dip seal Jul. 27, 1982
4335883 Sealing device for a component vertically disposed within the primary vessel of a nuclear reactor Jun. 22, 1982
4330370 Seal and bearing arrangement for use in a nuclear reactor May. 18, 1982
4312708 Reactor stud hole plug unit Jan. 26, 1982
4236971 Apparatus for sealing a rotatable shield plug in a liquid metal nuclear reactor Dec. 2, 1980
4230526 Liquid sodium dip seal maintenance system Oct. 28, 1980
4181572 Closure head for a nuclear reactor Jan. 1, 1980
4135973 Core disruptive accident margin seal Jan. 23, 1979
4116766 Ultrasonic dip seal maintenance system Sep. 26, 1978
4115193 Nuclear reactor pressure vessel support system Sep. 19, 1978
4083718 Bismuth-tin-indium-lead alloy Apr. 11, 1978
4080254 Plug-to-plug gas transfer system Mar. 21, 1978
4078969 Core disruptive accident margin seal Mar. 14, 1978
4068852 Seal ring Jan. 17, 1978
4026763 Liquid-metal dip seal with pneumatic spring May. 31, 1977
3989290 Device for closing a pressure vessel Nov. 2, 1976











 
 
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