US PATENT SUBCLASS 976 / DIG 167
.~ Details (e.g., seals, supporting constructions, ventillating arrangements, tube joints with a vessel wall) [G21C-13/02]


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976 /   HD   NUCLEAR TECHNOLOGY

DIG 166  DD  PRESSURE VESSELS; CONTAINMENT VESSELS [G21C-13/00] *** (chemical or physical processes B01J-3/00; pressure vessels in general F16J-12/00) {3}
DIG 167.~ Details (e.g., seals, supporting constructions, ventillating arrangements, tube joints with a vessel wall) [G21C-13/02] {7}
DIG 168  DD  .~.~> Supporting constructions for pressure vessels or containers [G21C-13/02B]
DIG 169  DD  .~.~> Seals (e.g., for pressure vessels or containers [G21C-13/02D] {1}
DIG 171  DD  .~.~> Tube joints with a vessel wall (e.g., taking into account thermal stresses) [G21C-13/02F]
DIG 172  DD  .~.~> Ventillating arrangements [G21C-13/02G]
DIG 173  DD  .~.~> Tube crossings through a vessel wall [G21C-13/02H]
DIG 174  DD  .~.~> Arrangements for expansion and contraction [G21C-13/04]
DIG 175  DD  .~.~> Sealing plugs [G21C-13/06] {2}