B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/56
B23K 9/20 (2006.01)
Patent
CA 1130870
ABSTRACT OF THE DISCLOSURE A method and apparatus for arc welding a metallic stud-shaped article, such as a stud, to a work surface. An article is retained at one end of an elongated gripping collet which is surrounded by a tubular flash shield having a plurality of openings provided therein. With the article contacting the work surface, a smut-removing liquid in atomized form is sprayed from adjacent the opposite end of the gripping collet to flow between the collet and the flash shield with a portion thereof directed through the flash shield openings, to provide a thin film of material in liquid form in the area of the work surface surrounding the article for collection of contaminates in suspension during the welding process. Sequentially thereafter an arc is provided between the article and the surface to form a weld between the article and the surface while the material is in liquid form. The film of material including the contaminates is removed from the work surface to thereby remove contamination produced during the welding operation.
326215
Corporation Usm
Swabey Ogilvy Renault
LandOfFree
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