B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 10/02 (2006.01) B23K 9/04 (2006.01) B23K 9/18 (2006.01) B23K 9/29 (2006.01) H05H 1/42 (2006.01)
Patent
CA 2133199
This publication discloses an assembly suited for feeding a powderized filler material in plasma welding. The invention is based on feeding the filler material flow first along a first channel (6), which is next divided into two separate channels (7) that are branched aside from said first channel (6). The forked branches (7) can further be divided into a plurality of branches (8, 9), and according to an advantageous embodiment, the manifold of feed channels exits into a feed nozzle (5, 11, 12, 13) of shielding gas and powderized filler material, said nozzle being provided with a plurality of grooves (11) along which the gas and powderized filler material enter the welding plasma of the torch and the gas flow becomes laminarized. The shielding gas and the filler material can be fed along a single manifold of channels and the tip of the torch can be made extremely small in size.
Dispositif d'alimentation en matériau d'apport en poudre lors du soudage au plasma. La présente invention consiste à diriger l'écoulement du matériau d'apport dans un premier conduit (6), qui se divise ensuite en deux conduits séparés (7) s'éloignant du premier conduit (6). Les ramifications (7) peuvent se rediviser en une série d'embranchements (8, 9) et dans une application utile de l'invention, la rampe des conduits d'alimentation débouche dans une buse d'alimentation (5, 11, 12, 13) en gaz de protection et en matériau d'apport en poudre; la buse est munie d'une série de rainures (11) par lesquelles le gaz et le matériau d'apport en poudre entrent dans le plasma de soudage de la torche, et l'écoulement du gaz devient laminaire. Le gaz de protection et le matériau d'apport peuvent être acheminés par une rampe unique pour les conduits, et le bec de la torche peut être de dimension très réduite.
Ahola Kari
Ahola Tom
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Tomion Oy
LandOfFree
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