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AbstractAbstract
[en] A tubular sleeve comprising two end sections made of the same metal as the heat exchanger tube and connected by a ring of an alloy suitable for welding is inserted into the tube and welded in place from the inside. The tube and end sections may be of Incoloy 800 while the ring is in Ni-Cr Alloy, Inconel 600 or Inconel 690. 3 figs
Original Title
Manchette bimetallique pour la reparation d'un tube d'echangeur de chaleur deteriore localement et procede de reparation d'un tel tube au moyen de cette manchette
Primary Subject
Source
9 Jul 1993; 7 Jan 1992; 11 p; FR PATENT DOCUMENT 2685950/A/; FR PATENT APPLICATION 9200067; Available from Institut National de la Propriete Industrielle, Paris (France); Application date: 7 Jan 1992
Record Type
Patent
Country of publication
ALLOYS, ALUMINIUM ADDITIONS, BOILERS, CHROMIUM ALLOYS, CORROSION RESISTANT ALLOYS, ENRICHED URANIUM REACTORS, FABRICATION, HEAT RESISTING ALLOYS, INCOLOY ALLOYS, INCONEL ALLOYS, IRON ALLOYS, IRON BASE ALLOYS, JOINING, JOINTS, NICKEL ALLOYS, NICKEL BASE ALLOYS, NIMONIC, POWER REACTORS, REACTORS, THERMAL REACTORS, TITANIUM ADDITIONS, VAPOR GENERATORS, WATER COOLED REACTORS, WATER MODERATED REACTORS, WELDING
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