B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 31/02 (2006.01) B23K 9/095 (2006.01) B23K 37/00 (2006.01) H05B 6/10 (2006.01)
Patent
CA 2507526
The present invention relates to a novel induction heating apparatus for controlling the welding parameter of temperature for a pre-weld heating operation, interpass operation, or a hydrogen bake-out operation. Specifically, the present invention relates to using a novel induction heating apparatus for controlling this welding parameter. The heating device is comprised of a pair of opposed heating collars placed on either side of a pipe comprising a weld joint. The heating device transfers heat from the collar to the weld joint surface by induction providing a method of controlling this welding parameter.
Cette invention a trait à un dispositif de chauffage par induction novateur pour contrôler un paramètre de soudage, la température, au cours d'une opération de préchauffage avant soudage, de passe intermédiaire ou d'étuvage de l'hydrogène. Plus spécifiquement, cette invention concerne l'utilisation d'un dispositif de chauffage par induction novateur afin de contrôler ce paramètre de soudage. Ce dispositif comporte une paire de colliers chauffants placés en positions opposées de part et d'autre d'un tuyau comportant un joint à souder. Par un phénomène d'induction, le dispositif de chauffage effectue un transfert de chaleur des colliers du dispositif de chauffage vers la surface du joint et permet d'en contrôler la température.
Colin Regan A.
Parlee Mclaws Llp
LandOfFree
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