Wire-coiling system

Details Wire-coiling system Wire-coiling system

1997-12-18

1999-04-27

Nguyen, John Q.

Winding, tensioning, or guiding

Loop forming

By orbital guide

2423614, 2423615, 140124, B21C 4710, B21F 300

Patent

active

058970711

ABSTRACT:
Wires are coiled by rotating about a main axis a curved laying tube having an upstream end opening generally at the axis and directed axially upstream and a downstream end opening radially offset from the axis and directed generally tangentially and feeding a leading end of the wire into the tube upstream end so that the wire issues from the downstream end of the tube in a curved condition and is laid in a succession of turns on a surface below the downstream end. Passage of a trailing end of the wire through the laying tube is detected and a drum having an inner surface directed toward and centered on the axis at the tube downstream end is closed around the downstream end of the tube to confine the wire inside the drum as passage of the trailing end through the laying tube is detected. The drum is opened from around the downstream end of the tube after passage of the trailing end through the tube and the drum is held open until detection of passage of another trailing end through the tube.

REFERENCES:
patent: 3669377 (1972-06-01), Gilvar et al.

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