B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/1.3
B23K 26/08 (2006.01) B23K 26/24 (2006.01) B23K 26/26 (2006.01)
Patent
CA 1300690
-1- Abstract The invention relates to an apparatus for the continuous butt welding of strips and sheets by laser beams. The sheets or strips are moved together in abutment and retained in the same level by tension rollers on both sides and right and left of the welding gap. on at least one side of the strips or sheets the tension roller comprises a hollow shaft and roller shells pivotably mounted thereon. Both the hollow shaft and the roller shells are formed with an aperture through which the laser beam of a welding head disposed inside the hollow shaft extends. The welding head is so aligned that the focused laser beam impinges through the apertures in the hollow shaft and the roller shells on to the welding gap in the clamped zone of the strips or sheets.
572284
Prange Wilfried
Sturm Joseph
Kirby Eades Gale Baker
Thyssen Stahl Aktiengesellschaft
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