Tube bending machine

Details Tube bending machine Tube bending machine

1978-10-13

1980-12-02

Combs, Ervin M.

Metal deforming

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

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

B21D 704

Patent

active

042363985

ABSTRACT:
A tube bending machine comprises a bending table mounted on a support turnable about an axis and coaxially carrying an inner bending template surrounded by at least one outer bending template which is shiftable along said axis relative to the inner bending template so that a portion of the tube to be bent may be pressed by clamping means carried by the bending template against the outer surface of the inner or the outer bending template. The bending machine comprises further guide means including a releasable collet for guiding the tube toward the bending templates, the guide means being mounted on the support movable in longitudinal direction of the tube to be bent and in a direction transverse to the longitudinal direction.

REFERENCES:
patent: 1831777 (1931-11-01), Nunamaker
patent: 3147792 (1964-09-01), Hautau
patent: 3151656 (1964-10-01), Brede
patent: 3299681 (1967-01-01), Hautau
patent: 4038853 (1977-08-01), Schwarze
patent: 4137743 (1979-02-01), Schwarze

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