The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 17, 2020
Filed:
Jun. 11, 2018
Sumitomo Electric Industries, Ltd., Osaka, JP;
Shuhei Yasuda, Osaka, JP;
Takanori Yamazaki, Osaka, JP;
Yoshiyuki Inoue, Osaka, JP;
Ryota Fukumoto, Osaka, JP;
Yoitsu Sekiguchi, Osaka, JP;
Shoshi Katakai, Osaka, JP;
Shinya Nishikawa, Osaka, JP;
Hiroshi Hayami, Osaka, JP;
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Abstract
A tubular cable interconnect unit arranged on an outer periphery of a joint of a power cable, includes a tubular insulating tube, a non-ohmic resistor layer formed from a non-ohmic composition and provided on an inner peripheral surface of the insulating tube, and an inner semiconductive layer provided on the non-ohmic resistor layer, wherein the non-ohmic composition includes a base polymer including at least one of thermoplastic and rubber, and varistor grains having a non-ohmic characteristic in which a volume resistivity varies non-linearly with respect to an applied voltage, and the varistor grains have a maximum grain diameter of 30 μm or less.