Tube bending apparatus and method

Details Tube bending apparatus and method Tube bending apparatus and method

1993-07-07

1994-09-06

Jones, David

Metal deforming

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

By use of work-contacting wiper and moving, work-holding form

72 11, 72 22, 72149, 72369, B21D 702

Patent

active

053437250

ABSTRACT:
An improved tube rotary draw bending apparatus for bending a tube having a bend die around which a bend in the tube is formed, a pressure die and means for maintaining a pre-programmed frictional profile of the interaction of the tube with the pressure die during the bending operation. Improved quality of the bent tube is consistently obtained.

REFERENCES:
patent: 2810422 (1957-10-01), Bower
patent: 3766764 (1973-10-01), Ross et al.
patent: 3821525 (1974-06-01), Eaton et al.
patent: 4126030 (1978-11-01), Zollweg et al.
patent: 4970885 (1990-11-01), Chipp et al.
patent: 5142895 (1992-09-01), Schuchert
patent: 5259224 (1993-11-01), Schwarze

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