Title:
GRAPHITE ELECTRODE AND ELECTRIC FURNACE
Document Type and Number:
WIPO Patent Application WO/2022/195930
Kind Code:
A1
Abstract:
A graphite electrode comprises a pole having a internally threaded socket in an end thereof and a externally threaded nipple that can be fastened to the socket. The value obtained by subtracting the effective diameter of the small diameter end side of the nipple from the effective diameter of the small diameter end side of the socket is from 0.05 mm to 0.7 mm, and the value obtained by subtracting the taper angle of the socket from the taper angle of the nipple is from –2' to –3' 30".
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Inventors:
HIRUMI YOHEI (JP)
KASHIHARA YOSHIHIKO (JP)
ADACHI MITSUHIRO (JP)
KASHIHARA YOSHIHIKO (JP)
ADACHI MITSUHIRO (JP)
Application Number:
PCT/JP2021/035814
Publication Date:
September 22, 2022
Filing Date:
September 29, 2021
Export Citation:
Assignee:
TOKAI CARBON KK (JP)
International Classes:
H05B7/085; H05B7/14
Foreign References:
| JPS61107695A | 1986-05-26 | |||
| JPS55158597U | 1980-11-14 | |||
| JPS5077945A | 1975-06-25 | |||
| JPS5325279A | 1978-03-08 | |||
| JP2023007735A | 2023-01-19 | |||
| JPS5745676U | 1982-03-13 | |||
| JPS58958U | 1983-01-06 |
Attorney, Agent or Firm:
ASHITABA INTERNATIONAL PATENT OFFICE (JP)
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