WELDING SHIELD NOZZLE

PURPOSE:To remove a spatter automatically and to improve the efficiency in welding work by forming a shield nozzle with a bidirectional shape memory alloy with the intermediate temp. between the temp. heated in welding and the temp. cooled in welding suspension as the transformation temp. CONSTITUTI...

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Bibliographische Detailangaben
Hauptverfasser:	FUJIMURA HIROSHI, IDE EIZO
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:	PURPOSE:To remove a spatter automatically and to improve the efficiency in welding work by forming a shield nozzle with a bidirectional shape memory alloy with the intermediate temp. between the temp. heated in welding and the temp. cooled in welding suspension as the transformation temp. CONSTITUTION:A shield nozzle 2 is formed with a bidirectional shape memory alloy and the nozzle is of the shape shown by a chain line 2' as its temp. is low before the welding start, but after starting the welding it is deformed in the shape shown by the continuous line 2 by exceeding the transformation temp. when heated by the arc heating. With the suspension of the welding the nozzle 2 becomes