Method of and apparatus for manufacturing finned tubing

Details Method of and apparatus for manufacturing finned tubing Method of and apparatus for manufacturing finned tubing

B - Operations, Transporting

21

H

26/146

B21H 3/12 (2006.01) B21C 37/15 (2006.01) B21C 37/20 (2006.01) F28F 1/36 (2006.01)

Patent

CA 1066036

ABSTRACT This invention provides for a method of and apparatus for the manufacture of finned tubing, more particularly high-fin tubing, from tubular metal fin stock on a tube liner by means of a plurality of rollers rotatably drivable by means of arbors and each roller including a plurality of axially arranged forming discs. At least some of the discs have recessed cross-sectional profiles including radially extending recessed portions radially spaced from the disc peripheries so that when these discs are forced into the metal fin stock the fin stock is only in partial contact with the discs during the formation of the fin and is not in contact over the recessed portions.

283824

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