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Class Information
Number: 976/DIG.185
Name: Nuclear technology > Pressure vessels; containment vessels [g21c-13/00] *** (chemical or physical processes b01j-3/00; pressure vessels in general f16j-12/00) > Vessels characterized by the material; selection of materials for pressure vessels [g21c-13/08] > Concrete vessels [g21c-13/08d] > Made of prestressed-concrete [g21c-13/08d2] > Particulars concerning pre-stressing devices (and cables) [g21c-13/08d2b]

Patents under this class:

Patent Number Title Of Patent Date Issued
4308101 Fixing means for a substantially cylindrical nuclear reactor pressure vessel with a vertical axis Dec. 29, 1981
4199994 System for monitoring the mechanical parameters of a pressure vessel Apr. 29, 1980
4095326 Method and apparatus for inserting post-stressing tendons in concrete structures Jun. 20, 1978
4074890 Multi-stage hydraulic stretcher for elongated fasteners Feb. 21, 1978
3963565 Holddown arrangement for removable cover of a pressurized nuclear-reactor core and method of using same Jun. 15, 1976

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