Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
NON-OHMIC COMPOSITION AND METHOD FOR MANUFACTURING SAME, CABLE INTERCONNECT UNIT AND CABLE END-CONNECT UNIT
Document Type and Number:
WIPO Patent Application WO/2019/012885
Kind Code:
A1
Abstract:
This cable interconnect unit is tubular, is disposed over the outer peripheral surface of a connecting part of a power cable, and includes: a tubular insulating tube; a non-ohmic resistive layer that is provided on the inner peripheral surface of the insulating tube and that is formed of a non-ohmic composition; and an inner semiconductive layer disposed over the non-ohmic resistive layer. The non-ohmic composition includes a base polymer containing a thermoplastic resin and/or a rubber, and non-ohmic varistor particles having a volume resistivity that changes non-linearly with respect to applied voltage. The varistor particles have a maximum particle diameter of 30 μm or less.

Inventors:
YASUDA, Shuhei (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
YAMAZAKI, Takanori (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
INOUE, Yoshiyuki (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
FUKUMOTO, Ryota (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
SEKIGUCHI, Yoitsu (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
KATAKAI, Shoshi (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
NISHIKAWA, Shinya (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
HAYAMI, Hiroshi (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
Application Number:
JP2018/022263
Publication Date:
January 17, 2019
Filing Date:
June 11, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD. (5-33, Kitahama 4-chome Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
International Classes:
H02G15/064; H01B17/56; H01R4/20; H01R4/58; H01R31/06; H02G1/14; H02G15/18
Foreign References:
JPS54137651A1979-10-25
JP2014518500A2014-07-28
JP2013212045A2013-10-10
JP2012142377A2012-07-26
JP2016017161A2016-02-01
JP2002170704A2002-06-14
Attorney, Agent or Firm:
ITOH, Tadashige et al. (16th Floor, Marunouchi MY PLAZA 1-1, Marunouchi 2-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
Download PDF: