Flat multicore wire and method of forming the same wire

Details Flat multicore wire and method of forming the same wire Flat multicore wire and method of forming the same wire

1992-06-26

1993-04-27

Nimmo, Morris H.

Electricity: conductors and insulators

Conduits, cables or conductors

Insulated

174117A, 01B 708, H01B 708

Patent

active

052064620

ABSTRACT:
The present invention improves the quality and productivity in a coating peeling-off process in which the coating at an intermediate portion along the length of a wire is peeled off in order to expose a conductor inside the coated wire, while enabling coatings at intermediate portions along the length of multicore wires or small-diameter wires to be peeled off.
In a primary process, a heating jig 16 is brought into press contact with the upper half portion of the coating of the peeling-off designated portion at an intermediate potion along the length of coated wires 1 so as to press down the coating downwardly relative to the transverse direction of the wires, whereby a coating peeled-off portion 20 in which a part of conductors 2 is exposed is formed. Afterwards, in a secondary process, the coating of the coating peeled-off portion 20 is cut and press held at the ends thereof by cutting and peeling-off blades 13 adapted to operate from the ends of the coating peeled-off portion 2 toward the center thereof so as to remove the coating of the coating peeled-off portion 20, whereby a coating peeled-off portion 131 is formed.

REFERENCES:
patent: 3346897 (1967-10-01), Nelson
patent: 3385140 (1968-05-01), Carpenter et al.
patent: 3895426 (1975-07-01), Papsdorf
patent: 4154977 (1979-05-01), Verma
patent: 4455745 (1984-06-01), Toeppen
patent: 4597176 (1986-07-01), Shields et al.
patent: 4616717 (1986-10-01), Luetzow
patent: 4931598 (1990-06-01), Calhoun et al.

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