Method of bending

Details Method of bending Method of bending

1989-06-14

1992-03-10

Spruill, Robert L.

Metal deforming

Process

Tube making or reshaping

72152, 72702, B21D 704

Patent

active

050940961

ABSTRACT:
A method of bending round tubular metal stock for use in the manufacture of tubular frame furniture comprising the steps of first bending the stock to a shape close to the final angle and thereafter compressing the stock in a direction perpendicular to the plane of the bend so as to fractionally increase the stock diameter in the plane of the bend and reversely bend the stock so as to achieve the final angular relation.

REFERENCES:
patent: 2341178 (1944-02-01), Duer
patent: 2500813 (1950-03-01), Fritsch
patent: 2957229 (1960-10-01), Beatty
patent: 3240048 (1966-03-01), Callendar
patent: 3242710 (1966-03-01), Hamlin

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