Scroll-forming device

Details Scroll-forming device Scroll-forming device

1976-05-03

1977-08-02

Combs, E. M.

Metal deforming

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

To form spiral coil

72148, B21C 4700

Patent

active

040388522

ABSTRACT:
A device for forming a scroll from a strip of metal, such as is used in the manufacture of wrought ironwork. An outer former with a generally cylindrical surface and a slot is rotatably mounted on a base plate and an inner former also with a substantially cylindrical surface is rotatably mounted eccentrically on the outer former. A clamping member is eccentrically arranged on the inner forming surface, so that a strip extending through the slot to lie adjacent the inner forming surface may be clamped thereto by the clamping member during relative rotation between the clamping member and the inner forming surface. Thereafter, continued rotation of the inner forming surface wraps the strip therearound while stop means prevent rotation of the outer former. The stop means is then released to allow the outer former to rotate with the inner former thereby completing the scroll by wrapping the strip around the outer forming surface.

REFERENCES:
patent: 664771 (1900-12-01), McCallum
patent: 896116 (1908-08-01), Jewett
patent: 3750719 (1973-08-01), Goldman et al.

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