Tube bending apparatus

Details Tube bending apparatus Tube bending apparatus

1992-05-14

1993-08-24

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

With work-forcer offset from, and relatively movable...

72389, B21D 908

Patent

active

052378470

ABSTRACT:
A tube bending apparatus is presented having a bending shoe, two lateral rollers to receive the tubular workpiece, reciprocating power means to advance and retract the bending shoe between the lateral rollers, and a base. The bending shoe has a semi-circular bending channel with lips extending from the top and bottom of the bending channel on the forward portion of the bending shoe, whereby the lips extend beyond the midpoint of the tubular workpiece being bent to prevent crimping or folding. The lateral rollers are mounted in slots in the base to allow for multiple positions.

REFERENCES:
patent: 1505887 (1924-08-01), Hawes
patent: 1530261 (1925-03-01), Hawes
patent: 2880779 (1959-04-01), Minguri
patent: 3018818 (1962-01-01), Swanson
patent: 3448602 (1969-06-01), Stanley et al.
patent: 3908425 (1975-09-01), Ware
patent: 4005593 (1977-02-01), Goldberg

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