Pipe bending machine having two bending heads

Details Pipe bending machine having two bending heads Pipe bending machine having two bending heads

1991-01-25

1992-05-19

Crane, Daniel C.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Plural or complex apparatus

72217, B21D 7022

Patent

active

051136830

ABSTRACT:
A pipe bending machine having two bending heads is endowed with two bending heads (9, 10), that each can move in the initial direction of pipe to be bent (12), each also being endowed with a bending tool that operates in a bending plane whose orientation can be modified. At least one of the bending heads (9, 10) can also move in a plane perpendicular to the initial direction of pipe (12) and holds clamping mechanism (27, 29) of the pipe, offset from the longitudinal axis of the head. In this way the head can be moved away from initial axis (11) of the pipe, the associated clamping mechanism (27, 29) in this case moving into such axis and being able to hold pipe (12) temporarily therein. This arrangement makes it possible to execute very closely-spaced bends in the median area of the pipe.

REFERENCES:
patent: 4485658 (1984-12-01), Stewart
patent: 4662204 (1987-05-01), Saegusa
patent: 4702097 (1987-10-01), Zahlaus
patent: 4945747 (1990-08-01), Yogo

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