Published December 24, 1993 | Version v1
Patent

Intervention device for working on tubes of a PWR steam generator

Description

The device comprises a laser welding tool supplied with power through an optical fiber which is fed between rollers by a push-pull mechanism. The mechanism is supported on a carriage movably along a curved rail in the space between the generator casing and the flat floor of the concrete housing. 5 figs

Availability note (English)

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

Additional details

Additional titles

Original title (French)
Dispositif d'intervention a l'interieur d'un tube de generateur de vapeur d'un reacteur nucleaire a eau sous pression

Publishing Information

Imprint Pagination
20 p.
IPC:
Int. Cl. G21c17/017; G01d5/12; F22b37/00; B25j19/00; B23q9/02.
IPC
Int. Cl. G21c17/017; G01d5/12; F22b37/00; B25j19/00; B23q9/02.
Patent number
FR patent document 2692712/A/

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
25052639
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
BEAM POSITION; LASER WELDING; OPTICAL FIBERS; PWR TYPE REACTORS; REPAIR; STEAM GENERATORS; TUBES
Descriptors DEC
BOILERS; ENRICHED URANIUM REACTORS; FABRICATION; FIBERS; JOINING; POWER REACTORS; REACTORS; THERMAL REACTORS; VAPOR GENERATORS; WATER COOLED REACTORS; WATER MODERATED REACTORS; WELDING

Optional Information

Secondary number(s)
FR patent application 9207359.