Individual identification process for the tubes of a heat...

Details Individual identification process for the tubes of a heat... Individual identification process for the tubes of a heat...

F - Mech Eng,Light,Heat,Weapons

28

G

F28G 13/00 (2006.01) B44B 5/00 (2006.01) F22B 37/00 (2006.01)

Patent

CA 2079559

DESCRIPTIVE ABSTRACT To permit an individual identification of each of the tubes (10) of a steam generator, it is proposed that these tubes be marked with the aid of a binary bar code (12a) formed from circular impres- sions (24) and the absence of impressions. The impressions, formed without material removal, make it possible to read the bar code with the aid of an eddy current probe. The impressions (24) can be made on the exterior of the tubes (10) during their manufacture, or on the interior of the tubes after they have been fixed to the tube plate (16). A learning process then makes it possible to allocate to each bar code a given position on the tube plate. (fig. 3) B 11031 GP

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