Published July 9, 1993 | Version v1
Patent Metadata-only

Bimetallic sleeve for repairing a heat exchanger tube locally damaged and repairing process of a such tube with this sleeve

Creators

Description

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

Availability note (English)

Available from Institut National de la Propriete Industrielle, Paris (France).

Additional details

Additional titles

Original title (French)
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

Publishing Information

Imprint Pagination
11 p.
IPC:
Int. Cl. F28f11/00; G21c17/017.
IPC
Int. Cl. F28f11/00; G21c17/017.
Patent number
FR patent document 2685950/A/

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
25022674
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
ALLOY-FE46NI33CR21; ALLOY-NI59CR30FE9; ALLOY-NI76CR15FE8; ELECTRON BEAM WELDING; LASER WELDING; PWR TYPE REACTORS; REPAIR; SLEEVES; STEAM GENERATORS; TUBES; WELDED JOINTS
Descriptors DEC
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

Optional Information

Secondary number(s)
FR patent application 9200067.