WO2007098434A3 - End-face seal for electrode joints - Google Patents

End-face seal for electrode joints Download PDF

Info

Publication number
WO2007098434A3
WO2007098434A3 PCT/US2007/062403 US2007062403W WO2007098434A3 WO 2007098434 A3 WO2007098434 A3 WO 2007098434A3 US 2007062403 W US2007062403 W US 2007062403W WO 2007098434 A3 WO2007098434 A3 WO 2007098434A3
Authority
WO
WIPO (PCT)
Prior art keywords
face seal
electrodes
electrode joints
seal
joint
Prior art date
Application number
PCT/US2007/062403
Other languages
French (fr)
Other versions
WO2007098434A2 (en
Inventor
Brian Bowman
Terrence Patrick Wells
Thomas William Weber
James J Pavlisin
Michael Frastaci
Original Assignee
Ucar Carbon Co Inc
Brian Bowman
Terrence Patrick Wells
Thomas William Weber
James J Pavlisin
Michael Frastaci
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US11/358,160 external-priority patent/US7324577B2/en
Priority claimed from US11/405,351 external-priority patent/US7466739B2/en
Application filed by Ucar Carbon Co Inc, Brian Bowman, Terrence Patrick Wells, Thomas William Weber, James J Pavlisin, Michael Frastaci filed Critical Ucar Carbon Co Inc
Publication of WO2007098434A2 publication Critical patent/WO2007098434A2/en
Publication of WO2007098434A3 publication Critical patent/WO2007098434A3/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/12—Arrangements for cooling, sealing or protecting electrodes

Abstract

A male-female electrode joint (50) is presented, the joint including two joined graphite electrodes (50a and 50b) having blocked threads and having a seal (10) interposed between the electrodes, the seal composed of a material having an oxidation rate equal to or less than that of the electrodes and/or a coefficient of friction such that the tendency of the electrode joint to unscrew is retarded.
PCT/US2007/062403 2006-02-21 2007-02-20 End-face seal for electrode joints WO2007098434A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11/358,160 2006-02-21
US11/358,160 US7324577B2 (en) 2004-01-20 2006-02-21 End-face seal for male-female electrode joints
US11/405,351 US7466739B2 (en) 2004-01-20 2006-04-17 Locking ring for graphite electrodes
US11/405,351 2006-04-17

Publications (2)

Publication Number Publication Date
WO2007098434A2 WO2007098434A2 (en) 2007-08-30
WO2007098434A3 true WO2007098434A3 (en) 2008-05-02

Family

ID=38438083

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/062403 WO2007098434A2 (en) 2006-02-21 2007-02-20 End-face seal for electrode joints

Country Status (2)

Country Link
TW (1) TW200738069A (en)
WO (1) WO2007098434A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111996388A (en) * 2020-07-25 2020-11-27 安阳岷山环能高科有限公司 Method for extracting valuable metals from lead-zinc mixed ore
CN111996374A (en) * 2020-07-25 2020-11-27 安阳岷山环能高科有限公司 Method for extracting metal lead and zinc by bottom blowing oxygen-enriched self-heating smelting-electric melting direct reduction

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2836806A (en) * 1955-06-02 1958-05-27 Union Carbide Corp Conductive pad for electrode joint
US20050175062A1 (en) * 2004-01-20 2005-08-11 Brian Bowman End-face seal for graphite electrodes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2836806A (en) * 1955-06-02 1958-05-27 Union Carbide Corp Conductive pad for electrode joint
US20050175062A1 (en) * 2004-01-20 2005-08-11 Brian Bowman End-face seal for graphite electrodes

Also Published As

Publication number Publication date
WO2007098434A2 (en) 2007-08-30
TW200738069A (en) 2007-10-01

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