Method and apparatus for continuous production of tubular...

Details Method and apparatus for continuous production of tubular... Method and apparatus for continuous production of tubular...

B - Operations, Transporting

23

K

327/1.3

B23K 26/00 (2006.01) B21C 37/08 (2006.01) B23K 26/03 (2006.01) B23K 26/26 (2006.01) B23K 26/42 (2006.01) C21D 9/50 (2006.01)

Patent

CA 1288824

Abstract Method and apparatus for the continuous industrial production of tubular bodies in which coated or uncoated steel strip is formed to a slit tube and the opposite strip edges are longitudinally seam welded at high speed by a laser beam of high energy density under protective gas with or without supply of additive material, and after a preparation adapted to the narrow melt zone and bringing together of the strip edges a fusion welding with subsequent controlled cooling and upsetting is carried out which results in a seam geometry suitable for any further processing. (Fig. 1)

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