VORRICHTUNG ZUM KONTINUIERLICHTEN VERSCHWEISSEN VON BAENDERN UND/ODER BLECHEN.

摘要

Appts. for continuously welding strip or sheet fed together with edges butted together consists of at least 1 laser beam (25) located in the hollow axis of one of the tension rollers (3). The passage for the laser beam (25) is a gap (18a) between the upper roll covers (13,14) and an opening (18b) in the hollow axes (9,10).