B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 35/04 (2006.01) B23K 9/24 (2006.01) B23K 35/02 (2006.01) B23K 35/40 (2006.01)
Patent
CA 2498758
The present invention relates to a welding electrode (1) for use in manual arc- welding operations. The welding electrode comprises a core wire having an arc ignition portion including an arc ignition face, the cross-sectional area of said arc ignition portion being reduced relative to the main cross section of the core wire. The arc ignition portion is formed with at least one recess the mouth of which opens in the longitudinal lateral face of the core wire. The invention likewise concerns a device in the manufacture of welding electrodes for use in manual metallic arc welding operations. The manufacturing process comprises a unit for the manufacture of core wires and a unit for applying on said core wires a material forming slag and a shielding gas during the welding operation. The device has at least one shaping unit formed with at least one slitting means for forming at least one slit in one of the end portions of said core wires. It also has at least one holding means, in which said core wires are arranged to be collected in order to be advanced sequentially past the slitting means.
L'invention porte sur une électrode (1) de soudage à l'arc manuel comportant un fil central dont la partie d'amorçage d'arc (qui comprend la face d'amorçage) est réduite par rapport à la section transversale du fil central, et présente au moins un évidement s'ouvrant sur le côté de la face longitudinale du fil central. L'invention porte également sur un appareil de fabrication de fils centraux pour soudage manuel à l'arc de métaux, et sur un dispositif appliquant pendant le soudage, sur de tels fils, un matériau générateur de laitier et un gaz inerte. Ledit appareil est muni d'un dispositif fendeur créant au moins une fente à l'une des extrémités d'un fil central, et d'un élément réunissant plusieurs fils centraux avançant séquentiellement le long du dispositif fendeur.
Nordeloef Ulf
Oskarsson Per-Ove
Santesson Oskar
Stroemhage Staffan
Esab Ab
Fetherstonhaugh & Co.
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