Metallic sheath for an electric cable and method of making the s

Electricity: conductors and insulators – With fluids or vacuum – Conduits – cables and conductors

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174 37, 174102D, 174106D, 29828, H01B 1326, H01B 720

Patent

active

057603340

ABSTRACT:
A metallic sheath for an electric cable with a ratio of inner diameter Di to outer diameter Do of at least 0.9, comprises a lengthwise welded, annularly or helically shaped corrugated tube whose wall thickness is in a range between 0.005 and 0.009 of the outer diameter, and where the distance p between two neighboring corrugation crests is in a range between 0.08 and 0.12 of the outer diameter. In addition, a method of making the above described electric cable is described.

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