Device for bending tubes

Details Device for bending tubes Device for bending tubes

1996-06-10

1997-02-11

Larson, Lowell A.

Metal deforming

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

To form helical coil or tube

72135, B21F 304, B21F 302

Patent

active

056009844

ABSTRACT:
A device for bending tubes including a platform, a feeding mechanism having a sliding seat, a pair of lugs, and a chuck, a chuck controlling mechanism having a direction controller and a chuck driving gearing, an idle gear pivotally mounted on the sliding seat and constantly meshed with the feeding mechanism, and a bending mechanism having a right roll die, a left roll die, an upper roll die, and lower roll die each of which has a recess around a circumference thereof adapt to the shape of a tube to be bent, whereby a tube can be conveniently bent into a spiral or a curve as desired.

REFERENCES:
patent: 1505347 (1924-08-01), Hoyt
patent: 2771934 (1956-11-01), Payne
patent: 3893324 (1975-07-01), Cappell

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