B - Operations – Transporting – 21 – C
Patent
B - Operations, Transporting
21
C
B21C 37/08 (2006.01) B23K 31/02 (2006.01)
Patent
CA 2408886
In a process for continuous production of longitudinally welded metal tubing, in which a metal strip is withdrawn from a strip supply, gradually shaped into a tubing with an open longitudinal slit, and the longitudinal slit is sealed by soldering or welding, a lubricant is introduced into the still open slit tubing.
Frohne Christian
Porcher Klaus
Nexans
Robic
LandOfFree
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