Electricity: conductors and insulators – Anti-inductive structures – Conductor transposition
Patent
1977-08-30
1979-06-05
Grimley, Arthur T.
Electricity: conductors and insulators
Anti-inductive structures
Conductor transposition
174107, 174115, 156 55, H01B 902
Patent
active
041574524
ABSTRACT:
A screen for electric power cables comprising a metal tape with a coating on one side of a thermoplastic with parallel metal wires extending longitudinally of the tape and along non-rectilinear paths partially embedded in the coating and preferably contacting the tape. The tape may also be coated with a plastic on the opposite side with a plastic which will provide good adherence to an insulating sheath. Also, a cable including such screen around the conductor thereof and the insulation on the conductor, and a method for making the screen which comprises heating a so-coated tape, applying the wires to the heated coating in non-rectilinear, parallel paths, pressing the wires into the coating and allowing the latter to cool.
REFERENCES:
patent: 3311696 (1967-03-01), Melnick
patent: 3355545 (1967-11-01), Kilduff
patent: 3379821 (1968-04-01), Garner
patent: 3412200 (1968-11-01), Virsberg et al.
patent: 3435127 (1969-03-01), Rose
patent: 3444024 (1969-05-01), Hillas
patent: 3790697 (1974-02-01), Buckingham
patent: 3794750 (1974-02-01), Garshick
patent: 3802974 (1974-04-01), Emmel
Pignataro Vincenzo
Portinari Giovanni
Grimley Arthur T.
Industrie Pirelli Societa per Azioni
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