Electric heater coil forming and transporting apparatus

Details Electric heater coil forming and transporting apparatus Electric heater coil forming and transporting apparatus

1989-12-21

1991-01-08

Combs, E. Michael

Metal deforming

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

With use of means to remove product from deflector

72135, B21F 302, B21F 3500

Patent

active

049825887

ABSTRACT:
A method and apparatus for forming an electric resistance heating coil of desired resistance that involves forming a helical coil and supporting the helical coil during forming in a vibrating through to prevent compression of the forming coil.

REFERENCES:
patent: 2254525 (1941-09-01), Hathaway et al.
patent: 2260054 (1941-10-01), Platt
patent: 3585833 (1971-06-01), Carraher et al.
patent: 3848725 (1974-11-01), Toby
patent: 4147048 (1979-04-01), Herckelbout
patent: 4236397 (1980-12-01), Lange

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