BOSS FOR WELDING

PROBLEM TO BE SOLVED: To provide a boss for welding with which no recessed and projected traces or deformation are generated on the surface of a metallic casing when a boss-shaped part is joined on the metallic casing whose plate thickness is 1 mm or less. SOLUTION: The boss for welding is character...

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Bibliographische Detailangaben
1. Verfasser:	FUSE HIROKI
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a boss for welding with which no recessed and projected traces or deformation are generated on the surface of a metallic casing when a boss-shaped part is joined on the metallic casing whose plate thickness is 1 mm or less. SOLUTION: The boss for welding is characterized by the fact that part of the end face of the boss-shaped part 1 which is brought into contact with the casing is formed with an electrically conductive part 2 consisting of ring- shaped protrusions 4 whose cross section is triangular, the other part is formed with a flat non-conductive layer 6, and the height of the non-conductive layer 6 is made lower than the tips of the ring-shaped protrusions 4 by a half of the length between the tips of the ring-shaped protrusions.