Flat type feeder cable

Details Flat type feeder cable Flat type feeder cable

1978-11-16

1980-10-07

Kucia, Richard R.

Electricity: conductors and insulators

Conduits, cables or conductors

Insulated

174113R, 174117R, H01B 708

Patent

active

042270413

ABSTRACT:
A flat type feeder cable comprising an even number of stranded conductors and an outer jacket made of a flexible material wholly covering the stranded conductors, each of said stranded conductors being composed of a plurality of insulated cores stranded together, and wherein an equal number of the stranded conductors are disposed in a symmetrical relationship, characterized in that the direction of lay of each of the stranded conductors of half the number is right-hand while the direction of lay of each of the remaining stranded conductors is left-hand, and each of the plurality of insulated cores constituting each stranded conductor has one twist by one pitch of the stranding of the stranded conductor, said twist having the same direction as the direction of the stranding of the stranded conductor. The flat type feeder cable has excellent bending characteristic (flexibility), torsion resistance, compactness, resiliency and installing workability, and is useful espeically as a feeder cable for moving constructions such as elevators travelling in a limited space.

REFERENCES:
patent: 2787653 (1957-04-01), Ormerod

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