Apparatus for the continuous welding of strips and/or sheets

Details Apparatus for the continuous welding of strips and/or sheets Apparatus for the continuous welding of strips and/or sheets

1988-07-13

1989-10-10

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With means applying wave energy or electrical energy...

1562728, 1563046, 1563799, 1563809, 156544, 21912163, 21912181, 21912182, 21912184, 4251744, B23K 2602, B23K 2608, B23K 2614

Patent

active

048729400

ABSTRACT:
The invention relates to an apparatus for the continuous butt welding of strips and sheets by laser beams. The sheets or strips 1,2 are moved together in abutment and retained in the same level by tension rollers 3,4 on both sides and right and left of the welding gap. On at least one side of the strips or sheets the tension roller 3 comprises a hollow shaft 9,10 and roller shells 13, 14 pivotably mounted thereon. Both the hollow shaft 9,10 and the roller shells 13, 14 are formed with an aperture 18a, 18b through which the laser beam 25 of a welding head 19 disposed inside the hollow shaft 9,10 extends. The welding head 19 is so aligned that the focused laser beams 25 impinges through the apertures 18a, 18b in the hollow shaft 9,10 and the roller shells 13,14 on to the welding gap in the clamped zone of the strips or sheets 1,2.

REFERENCES:
patent: 2958367 (1960-11-01), Gournelle
patent: 4152573 (1979-05-01), Saurin et al.
patent: 4237363 (1980-12-01), Lemelson
patent: 4713519 (1987-12-01), Bersch et al.
patent: 4733815 (1988-03-01), Sturm
Patent Abstracts of Japan, HBand 9, Nr. 256 (M-421)[1979], 15. Oct. 1985; & JP-A-60 106 684 (Kogyo Gijutsuin) 12.06.1985.

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