Pipe bending apparatus

Details Pipe bending apparatus Pipe bending apparatus

1975-10-14

1976-10-26

Mehr, Milton S.

Metal deforming

By deflecting successively-presented portions of work during...

By use of work-contacting wiper and moving, work-holding form

72217, B21D 704

Patent

active

039876560

ABSTRACT:
A pipe bending apparatus for bending large diameter pipe of either thin or thick walled construction. The pipe bending apparatus includes a bending shoe which is pivotably mounted to a frame member and a follower shoe which is operable with the bending shoe to receive a pipe therebetween for bending. The apparatus also includes a fluid motor which is operable to cause pivotal movement of the bending shoe and a clamping assembly comprising a plurality of rollers which are secured together to clampingly engage the follower shoe and the bending shoe to force them together such that the pipe is forced to conform to the arcuate configuration of the bending shoe as the bending shoe pivots. During such pivotal movement, the rollers of the clamping assembly traverse the arcuate surface of the bending shoe and the rear surface of the follower shoe clamping the pipe between the bending and follower shoe and causing the pipe to assume the configuration of the bending shoe in a rolling mill type operation.

REFERENCES:
patent: 983664 (1911-02-01), Wilson
patent: 1935604 (1933-11-01), Abramson et al.
patent: 2375310 (1945-05-01), Mandl
patent: 3059683 (1962-10-01), Atherton
patent: 3555868 (1971-01-01), Hagemeyer

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