Hydraulic pipe bender of large dimension

Details Hydraulic pipe bender of large dimension Hydraulic pipe bender of large dimension

1993-03-10

1995-07-11

Larson, Lowell A.

Metal deforming

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

With feeding of discrete articles or orienting of work...

72171, 72173, B21D 708

Patent

active

054310350

ABSTRACT:
This invention provides a hydraulic pipe bender of large dimension, comprising a frame, roller group, gear group, hydraulic mechanism, clutch, lifting mechanism, guiding mechanism, feeding mechanism, and bending mechanism. A guiding mould of the guiding mechanism is attached on the mould of the left roller, and the pipe to be processed is sheathed on the guiding rod, and is fed rightward through the feeding mechanism to prevent the slipping phenomena during the bending process; besides, by means of the hydraulic mechanism and the gear group, the rollers group can adjust the speeds of the top, left or right roller automatically to manufacture a circular ring pipe of large dimension.

REFERENCES:
patent: 928073 (1909-07-01), Schneider
patent: 2335028 (1943-11-01), Rose et al.
patent: 2467671 (1949-04-01), Hulburt et al.
patent: 3742748 (1973-07-01), Ehm
patent: 4331016 (1982-05-01), Benteler et al.

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