Fin pass roll

Details Fin pass roll Fin pass roll

B - Operations, Transporting

21

D

80/49

B21D 5/12 (2006.01)

Patent

CA 1082958

FIN PASS ROLL ABSTRACT OF THE DISCLOSURE A fin pass roll for use in a single or more pairs of mating forming rolls for bending a flat metal strip into a desired tubular shape or a tube form. The fin pass roll is splitted into three sections; that is, a fin roll having a fin and fin side rolls in such a way that the fin roll may have arcuate caliber profile which are extended to both sides from the fin and merge with the arcuate caliber profile of the adjacent fin side rolls. The fin side rolls are rotatable in unison with a drive shaft, but the fin roll is so constructed and arranged as to be rotatable independently of the drive shaft and hence the fin side rolls.

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