Tube bender construction

Details Tube bender construction Tube bender construction

1981-03-11

1983-06-28

Crosby, Gene

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

72217, B21D 702

Patent

active

043898734

ABSTRACT:
A tube bender construction wherein the forming member is swingably mounted to the form wheel to be adjustable toward and from the form wheel groove to accommodate variations in tube diameter and normal wear of portions of the tube bender during the life thereof. The form wheel defines a concave force transfer surface having an improved engagement with the tube to be bent so as to effectively improve maintained tube roundness for effectively minimized stress formation in the bent tube.

REFERENCES:
patent: 1761798 (1930-06-01), Potter
patent: 2796785 (1957-06-01), Philippe
patent: 2887917 (1959-05-01), Kowal
patent: 3750447 (1973-08-01), Kowal
patent: 3926028 (1975-12-01), Kowal
patent: 4132100 (1979-01-01), Schuler

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