WELDING CAN BODIES

Method and apparatus of making welded metallic can bodies, and an improvement in welded can bodies by effecting a mash resistance welding on a lapped side portion (2) of a can body preform (1) by means of a combination of a cooled elongated electrode (6 min ) and a cooled rotary electrode (11 min )...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	H. FUNAMOTO, K. MATSUNO
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:	Method and apparatus of making welded metallic can bodies, and an improvement in welded can bodies by effecting a mash resistance welding on a lapped side portion (2) of a can body preform (1) by means of a combination of a cooled elongated electrode (6 min ) and a cooled rotary electrode (11 min ) and, as required, with wire electrodes (30) interposed between the lapped side portion (2) and these electrodes (6 min , 11 min ). … A tinfree steel welded can body (48) and its making method wherein it is formed by a mash resistance welding on a lapped side portion (2) of a can body preform (1) made from tinfree steel, without requiring the removal of surface chromium film from the welded portion (2a) and its vicinity.