Tube bending device

Details Tube bending device Tube bending device

1979-02-26

1981-03-10

Combs, Ervin M.

Metal deforming

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

With modification or control of temperature or work, tool or...

72342, 72369, B21D 716

Patent

active

042546494

ABSTRACT:
The invention relates to a tube bending device, especially for thin walled tubes made from austenitic materials, e.g., for power engineering. The device consists of a pressure truck, adjustable gear, inductor heating coil, cooling section and a bending arm. The tube to be bent is positioned with one end on the pressure truck, and the second end fixed to the bending arm, and is freely placed in the inductor gear and axially moved in the inductor gear on guide rollers of an adjustable gear.

REFERENCES:
patent: 783716 (1905-02-01), Brinkman
patent: 2461323 (1949-02-01), Hille
patent: 3368377 (1968-02-01), Hirayama et al.
patent: 3902344 (1975-09-01), Stuart
patent: 3958438 (1976-05-01), Somov et al.
patent: 4022045 (1977-05-01), Riha
patent: 4122697 (1978-10-01), Hanyo et al.

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