B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 9/173 (2006.01)
Patent
CA 2474527
The invention relates to a gas mixture containing hydrogen, carbon dioxide and argon in the following volume proportions: 0.4 to 2 % hydrogen, 0.3 to 2 % carbon dioxide and argon for the remainder (up to 100%). The invention also relates to a method of braze welding galvanised metal parts in which brazing is performed between the parts to be assembled by means of fusion, using at least one electric arc, one metal filler wire and a brazing gas shield which is formed by one such ternary gas mixture.
Mélange gazeux contenant de l'hydrogène, du dioxyde de carbone et de l'argon dans les proportions en volume suivantes : 0.4 à 2% d'hydrogène, 0.3 à 2% de dioxyde de carbone et de l'argon pour le reste (jusqu'à 100%). Procédé de soudo-brasage de pièces métalliques galvanisées, dans lequel on réalise un brasage entre les pièces à assembler par fusion, au moyen d'au moins un arc électrique, d'un fil métallique d'apport avec mise en oeuvre d'une protection gazeuse du brasage formée d'un tel mélange gazeux ternaire.
Fortain Jean-Marie
Mouton Jean-Yves
Opderbecke Thomas
L'air Liquide Societe Anonyme A. Directoire Et Conseil de Surveillance P. Our
L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Proced Es Geo
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
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