Electricity: conductors and insulators – Conduits – cables or conductors – Combined
Patent
1974-12-11
1976-04-06
Askin, Laramie E.
Electricity: conductors and insulators
Conduits, cables or conductors
Combined
29624, 140102, 156 50, 174 10, 174 72TR, H01B 700, H01B 1300
Patent
active
039491560
ABSTRACT:
This invention provides an improved structure of a floor cable used, for example, for a telephone cord in an office room, and also a method of producing such floor cable. The floor cable comprises a plurality of insulated core wires within a plastic cable sheath.
Each of the insulated core wires has a plurality of folded portions along the wire length, and the cable sheath for the core wires has such cross section that a plurality of radial fins are provided on the thin circumference. Thus, the ripping out of the sheath for drawing out the desired wire to connect or branch the floor cable can be easily carried out.
REFERENCES:
patent: 782391 (1905-02-01), Hanson
patent: 3615283 (1971-10-01), Lang
patent: 3812282 (1974-05-01), Johansson
Hashimoto Yujiro
Imazawa Masahiro
Kinoshita Ichiro
Kurihara Ryuichi
Maruyama Yoshiharu
Askin Laramie E.
Hitachi Cable Limited
Nippon Telegraph & Telephone Public Corporation
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