Hand-operated tool for bending pipes

Details Hand-operated tool for bending pipes Hand-operated tool for bending pipes

1977-04-05

1979-01-02

Lanham, C.W.

Metal deforming

By use of roller or roller-like tool-element

Comprising tool movable relative to stationary work-portion...

72319, 72388, B21D 702

Patent

active

041321006

ABSTRACT:
A pipe bender for bending pipes, comprising two pivotally interconnected levers. The first lever is provided with a pivot pin and a circular segment disposed coaxially thereto which defines the inside bend of the pipe to be bent, for which purpose a slot is disposed in the circular circumferential portion, and with a first outer support for the pipe to be bent. The second lever is provided with a fork having two arms which receive the pivot pin, and with a second outer support for the pipe to be bent. The bar of the first lever may pass during the bending operation between the arms of the fork in order to bend a pipe through an angle of 180.degree. (U-shape). To bend pipes of different diameters the circular segment is divided in two parts relative to its median perpendicular plane. These two halves are to be spaced apart by means of spacer means.

REFERENCES:
patent: 361398 (1887-04-01), Daniels
patent: 2232819 (1941-02-01), Abramson
patent: 2464800 (1949-03-01), Franck
patent: 3380283 (1968-04-01), Wilson

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