Electric heating – Metal heating – By arc
Patent
1994-08-31
1996-10-08
Paschall, Mark H.
Electric heating
Metal heating
By arc
21912163, 21912186, 228 32, B23K 2612, B23K 2600
Patent
active
055633919
ABSTRACT:
A laser welder is provided comprising a housing, an optical fiber, a wheel mounted within the housing and including a slot for receiving an article to be welded, the optical fiber mounted to and wound upon the wheel as the wheel is rotated to bring the fiber around the article, a sleeve for sealing to the article to establish a chamber surrounding the weld zone, the sleeve having a curved window for transmitting the laser light from the fiber to the weld zone, and a clip for removeably mounting the sleeve within the housing coaxial with the wheel. In another aspect, the invention provides the sealing sleeve for use in laser welding. The sleeve preferably includes a ring deformable with heat to clamp the sleeve to the article and center the article along an axis of the sleeve. In a further aspect, the invention relates to a method of welding articles.
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