Forming device to be practiced in coil spring forming machine an

Details Forming device to be practiced in coil spring forming machine an Forming device to be practiced in coil spring forming machine an

1990-07-09

1992-09-08

Larson, Lowell A.

Metal deforming

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

To form helical coil or tube

72142, B21F 302

Patent

active

051448262

ABSTRACT:
A forming device in a coil spring forming machine for forming a coil spring by winding a heated rod or wire-shaped spring material into a form of a spiral, wherein the forming machine includes an independent cassette mechanism which may be removably mounted to a predetermined site on the body of the forming machine and the independent cassette mechanism is composed of a mandrel around which the rod or wire-shaped spring material is to be wound into a form of a spiral and a guide means for guiding the spring material in a direction along which the spring material may be wound around the mandrel at a required lead angle into a form of a spiral.

REFERENCES:
patent: 2018209 (1935-10-01), Gogan
patent: 2038488 (1936-04-01), Gogan
patent: 2165411 (1939-07-01), Peyton
patent: 3000427 (1961-09-01), Gogan
patent: 3225579 (1965-12-01), Chambers
patent: 3753363 (1973-08-01), Trihey
patent: 4644773 (1987-02-01), Durr

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