Title:
電力ケーブル接続構造
Document Type and Number:
Japanese Patent JP6754233
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a power cable structure which secures satisfactory water-tightness, prevents damage or performance deterioration of a cable and further can be easily laid even within a narrow manhole with simple configuration.SOLUTION: A power cable connection structure 1 comprises: a power cable 10 including a first extension part 10a extending from a duct port 110 into a manhole 130 and including a metal protective tube 12 in an outer periphery of an insulation core 11, and a second extension part 10b provided closer to an end portion than the first extension part and including no metal protective tube; a metal flexible tube 13 provided in the outer periphery of the insulation core 11 in the second extension part 10b; an intermediate connection part 30 fitted to an end portion 10b-1 of the second extension part 10b and formed by connecting the power cable 10 with a power cable 20; and a coupling part 40 provided between the first extension part 10a and the second extension part 10b and formed by coupling an end portion 12-1 of the metal protective tube 12 and an end portion 13-1 of the metal flexible tube 13.SELECTED DRAWING: Figure 1
Inventors:
Mogi Masaya
Hideo Tanaka
Hideo Tanaka
Application Number:
JP2016134355A
Publication Date:
September 09, 2020
Filing Date:
July 06, 2016
Export Citation:
Assignee:
THE FURUKAW ELECTRIC CO.,LTD.
International Classes:
H02G9/10; E02D29/12
Domestic Patent References:
| JP670437A | ||||
| JP57208817A | ||||
| JP20132494A | ||||
| JP57139231U |
Attorney, Agent or Firm:
Einzel Felix-Reinhard