Apparatus for bending beams

Details Apparatus for bending beams Apparatus for bending beams

1991-01-29

1992-07-21

Jones, David

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

72413, 72466, B21D 7025

Patent

active

051312549

ABSTRACT:
Apparatus for bending elongated members transversely to a web thereof without substantially altering the cross-sectional configuration thereof including a flexible form having a plurality of pivotal seats and flexible plates. Flexible mandrels including a plurality of parallel plates are received within the elongated members and, in combination with a plurality of clamps, the flexible form and a press plate supporting the elongated member, prevent the bending forces exerted thereon from distorting the cross-sectional configuration of the elongated members. The flexible form distributes the exerted force required to bend the elongated member over a selected length thereof, thereby reducing the unit force exerted on any selected point to a level that will not buckle the elongated member.

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patent: 4608849 (1986-09-01), Brugman
patent: 4712406 (1987-12-01), Molz

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