TUBULAR WIRES MADE FROM COPPER COATED STRIP

The present disclosure relates to a method for producing a tubular welding electrode comprising the steps of providing a strip of copper-coated steel material having a length and first and second surfaces, wherein at least the first surface of the strip is at least substantially coated with a copper...

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Bibliographische Detailangaben
Hauptverfasser:	BARHORST, STEVEN E, BUNDY, JOSEPH C, AMATA, MARIO A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SOLDERING OR UNSOLDERING SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The present disclosure relates to a method for producing a tubular welding electrode comprising the steps of providing a strip of copper-coated steel material having a length and first and second surfaces, wherein at least the first surface of the strip is at least substantially coated with a copper alloy, forming the strip into a U shape along the length, filling the U shape of the strip with a granular powder flux, and mechanically closing the U shape to form a sheath of copper-coated steel material that substantially encases the granular powder flux, thus forming a tubular welding electrode. La présente invention concerne un procédé de production d'une électrode de soudage tubulaire comprenant les étapes consistant à prendre une bande de matériau d'acier revêtu de cuivre ayant une longueur et des première et seconde surfaces, au moins la première surface de la bande étant au moins sensiblement revêtue d'un alliage de cuivre, à donner à la bande une forme en U sur la longueur, à remplir la forme en U de la bande d'un flux de poudre granulaire, et à fermer mécaniquement la forme en U pour former une gaine de matériau d'acier revêtu de cuivre qui enveloppe sensiblement le flux de poudre granulaire, ce qui permet de former une électrode de soudage tubulaire.