Communication cable, and communication wire protecting tube

Details Communication cable, and communication wire protecting tube Communication cable, and communication wire protecting tube

2006-06-20

2006-06-20

Mayo, III, William H. (Department: 2831)

Electricity: conductors and insulators

Conduits, cables or conductors

Insulated

C174S112000

Reexamination Certificate

active

07064276

ABSTRACT:
A communication cable having a communication wire and an armor including at least two synthetic resin layers, and protects the communication wire in a loose state. The communication wire protecting tube includes at least two synthetic resin layers, and inserts the communication wire in a loose state. The most hard resin layer of the armor has a crosswise or spiral annular groove or cut portion continuous in the longitudinal direction to reach the radially inner face, and the outermost layer of the armor is formed of a protective layer made of a softer resin than the hard resin layer. The adjoining edge portions of the annular groove or the cut portion come, when the communication wire is to be bent, into contact with each other so that it may be prevented from being bent to a predetermined or smaller bend radius.

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