C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 37/026 (2006.01)
Patent
CA 2445235
The invention concerns a device and a method for continuously producing a glass-sheathed metal wire (10) of great length, which consists in mainly using a feeding tube (15) containing all the required metal, itself placed in a glass tube (20), so as to provide continuous supply of a drop of molten metal (14) at the base of the glass tube (20). By heating with a first inductor (23) around the glass tube (20) and a second inductor (24) beneath the glass tube (20) the molten metal drop (14) temperature is maintained continuously constant and the glass-sheathed metal wire (10) is continuously drawn.
Le dispositif et le procédé permettent de fabriquer en continu un fil métallique gainé de verre (10) de grande longueur. On utilise principalement un tube d'alimentation (15) contenant tout le métal nécessaire, placé lui-même dans un tube de verre (20), de manière à fournir en continu une goutte de métal fondu (14) à la base du tube de verre (20). Le chauffage par un premier inducteur (23) autour du tube de verre (20) et d'un deuxième inducteur (24) sous le tube de verre (20) permet de maintenir à température constante et de façon continue la goutte de métal en fusion (14) et d'obtenir l'étirage en continu du fil métallique gainé de verre (10).
Acher Olivier
Bertin Frederic
Deprot Sylvie
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