Coil Manufacturing apparatus

Details Coil Manufacturing apparatus Coil Manufacturing apparatus

1980-12-23

1983-10-11

Larson, Lowell A.

Wireworking

Article making or forming

Electric lamp or electric space discharge device electrode

72 66, B21F 304

Patent

active

044086393

ABSTRACT:
A coil manufacturing apparatus comprises a mandrel wire, a guide for guiding the mandrel wire in its longitudinal movement, a coiling device guiding a filament wire while revolving around the mandrel wire to coil the filament wire around the mandrel wire, and a transfer device for moving the mandrel wire along the longitudinal direction thereof. The transfer device includes holding jaws to hold only the mandrel wire and driving screws for moving the holding jaws along the longitudinal direction from a first position to a second position which is farther from the guide than the first position is.

REFERENCES:
patent: 3124169 (1964-03-01), Schade
patent: 3252485 (1966-05-01), Kelly
patent: 3322164 (1967-05-01), Lindsay
patent: 3605822 (1971-09-01), Noguchi et al.

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