Pipe bending machine

Details Pipe bending machine Pipe bending machine

1975-05-01

1977-01-04

Mehr, Milton S.

Metal deforming

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

By use of deflectors arranged to bend work longitudinally of...

72217, 72251, 198628, 226172, B21D 7024

Patent

active

040006360

ABSTRACT:
A pipe bending machine comprising a bed plate which mounts a bending head, a mechanism for feeding pipes to be treated into the bending head, and a drive. The pipe feeding mechanism consists of two parallel rows of rollers arranged symmetrically in relation to the pipe axis and fitted into cages used commonly by each row. The rollers in each row and the associated cage are embraced by a hauling chain designed for coupling the drive which moves the chain toward the bending head. Placed on the outside on each chain is a closed-loop strip made of elastic friction material. A pipe to be treated is clamped in the gap between the strips and is fed to the bending head when the chains are displaced.
The pipe bending machine of the present invention permits bending the pipes of any shape in space, including parts made of thin-walled and soft metal pipes.

REFERENCES:
patent: 2033423 (1936-03-01), Frank
patent: 2569266 (1951-09-01), Thompson
patent: 2642280 (1953-06-01), Fisk
patent: 3373587 (1968-03-01), Shubin et al.

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