Pipe-bending apparatus

Details Pipe-bending apparatus Pipe-bending apparatus

1979-05-24

1981-05-05

Gilden, Leon

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

B21D 703

Patent

active

042651069

ABSTRACT:
A pipe-bending apparatus comprises an elongate structure having a longitudinal work surface at, or adjacent to, opposite ends of which clamping means and a former are respectively mounted. The former is held fast on the work surface, and the clamping means is power-driven towards and away from it by a double-acting hydraulic ram. A series of formers are provided, each having, in plan, a semi-circular anvil mountable to face the clamping means. The anvils are each of concave vertical cross-section and of different radius from one another, with peripheral walls to locate a pipe in position in the anvil during a bending operation. The ram is supplied from a tank containing a hydraulic fluid tank which--together with the necessary hydraulic pump and electric motor--is mounted beneath the work surface.

REFERENCES:
patent: 2464459 (1949-03-01), Newlon
patent: 3105339 (1965-07-01), Lang
patent: 3429157 (1969-02-01), Huth
patent: 3908425 (1975-09-01), Ware
patent: 4141235 (1979-02-01), Ishihara

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