B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/99
B23K 26/00 (2006.01) B23K 26/24 (2006.01) B23K 26/26 (2006.01) B23K 37/053 (2006.01)
Patent
CA 1242769
ABSTRACT OF THE INVENTION: On a machine for welding together the longitudinal edges of rounded sheet-metal container body blanks there are disposed a plurality of rings of rollers round a common longitudinal axis, one behind the other in the direction of a passage through of the blanks. At least some of the rol- lers of the rings of rollers are each mounted on a roller carrier which is adjustable in the direction away from the longitudinal axis against resilient resistance. The roller carriers are guided in a manner which enables the associated rollers to execute yielding movements at an angle of dis- tinctly less than 90° to the direction of the passage through of the blanks. For this purpose, the roller carriers are each pivotable about a transverse pin which is disposed at least substantially parallel to the associated roller spin- dle, upstream of this with respect to the direction of the passage through of the blanks. This guiding of the roller carriers makes an important contribution to avoiding damage to the leading edges of the blanks and to reducing the noise occurring when these leading edges impinge on the rollers.
498006
Opprecht Paul
Stieger Othmar
Elpatronic Ag
Robic Robic & Associes/associates
LandOfFree
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