Disc roller mechanism for forming helical shapes

Details Disc roller mechanism for forming helical shapes Disc roller mechanism for forming helical shapes

1985-03-11

1986-08-19

Combs, E. Michael

Metal deforming

By deflecting successively-presented portions of work during...

To form helical coil or tube

72145, B21E 302

Patent

active

046062092

ABSTRACT:
A disc roller mechanism and method for forming helical-shaped structures from a feed wire or rod, wherein the feed wire is drawn through a plurality of staggered disc-shaped forming rollers by rotation of the rollers, while the wire is also being rotated about its own axis so as to form the desired helical-shaped product. The roller mechanism includes a support frame and a first set of at least two fixed position driven disc-shaped rollers and a second set of at least one idler disc-shaped rollers, said idler rollers being transversely adjustable positions relative to the first driven roller set rotatably mounted in the frame. The driven roller set usually has a roughened outer perimeter surface to facilitate drawing the feed wire through the intersecting forming rollers. If desired, the feed wire can be pulled off a rotatable supply spool such as by a pair of guiding rollers and then passed through the staggered disc-shaped forming rollers to provide the desired helical-shaped product.

REFERENCES:
patent: 2749962 (1956-06-01), Kitselman
patent: 2769478 (1956-11-01), Schane
patent: 4278743 (1981-09-01), Hantschk
patent: 4412565 (1983-11-01), Broberg

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