Method of bending tubing

Details Method of bending tubing Method of bending tubing

1997-12-11

2000-01-18

Larson, Lowell A.

Metal deforming

Process

Tube making or reshaping

B21D 700

Patent

active

060148845

ABSTRACT:
A method for bending metal tubing which minimizes the collapse of a tube wall through lowering material stress achieved by reducing the rate of bending. The method includes the steps of selecting a bend radius less than a standard bend radius, determining a rate of bending of a length of tubing so as to minimize material stress, and bending the tubing at the selected determined rate.

REFERENCES:
patent: 3620066 (1971-11-01), Henkel et al.
patent: 4704886 (1987-11-01), Evert et al.
patent: 5483809 (1996-01-01), Nishiie et al.
patent: 5682781 (1997-11-01), Schwarze

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