B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 26/12 (2006.01) B23K 1/005 (2006.01) C21D 1/34 (2006.01) H05B 7/22 (2006.01) C21D 1/74 (2006.01)
Patent
CA 2080551
A light beam heating system for performing local heating includes a source for emitting light, and an optical lens assembly for converging the light from the source onto an object to be heated. A cylinder supplies shielding gas towards the object through a regulator, a valve, and a nozzle. During the light heating operation, the oxygen concentration of the atmosphere around the object is maintained at less than 5%. The shielding gas can be supplied to the object through a temperature regulator so that it is heated to a desired temperature prior to being directed onto the object.
Fujii Koji
Kirby Eades Gale Baker
Matsushita Electric Industrial Co. Ltd.
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