| 摘要 |
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.
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