GB2000669A - Improvements in or relating to electrode joints - Google Patents

Improvements in or relating to electrode joints

Info

Publication number
GB2000669A
GB2000669A GB7826406A GB7826406A GB2000669A GB 2000669 A GB2000669 A GB 2000669A GB 7826406 A GB7826406 A GB 7826406A GB 7826406 A GB7826406 A GB 7826406A GB 2000669 A GB2000669 A GB 2000669A
Authority
GB
United Kingdom
Prior art keywords
threaded
thread segment
flank
electrodes
thread
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
GB7826406A
Other versions
GB2000669B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 US05/898,191 external-priority patent/US4159184A/en
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Publication of GB2000669A publication Critical patent/GB2000669A/en
Application granted granted Critical
Publication of GB2000669B publication Critical patent/GB2000669B/en
Expired legal-status Critical Current

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
    • H05B7/14—Arrangements or methods for connecting successive electrode sections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Discharge Heating (AREA)
  • Furnace Details (AREA)
  • Resistance Heating (AREA)

Abstract

An electrode joint in which two electrodes are joined by a threaded (12) nipple received in threaded frusto-conical sockets formed in respective end portions of the two electrodes; and in which one or each socket and/or the nipple portion received therein is provided with a friable thread segment (16) formed by thickening the non-loading long flank of the threaded segment and reducing the thickness of the load bearing short flank of the thread segment so that the thread segment spaces the remaining threads of the parts concerned uniformly during assembly and can fracture under heat stress into the relief space provided between the reduced short flank and the cooperating thread of the other portion. <IMAGE>
GB7826406A 1977-06-07 1978-06-06 Electrode joints Expired GB2000669B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80422277A 1977-06-07 1977-06-07
US05/898,191 US4159184A (en) 1977-06-07 1978-04-24 Friable thread electrode joint

Publications (2)

Publication Number Publication Date
GB2000669A true GB2000669A (en) 1979-01-10
GB2000669B GB2000669B (en) 1982-03-03

Family

ID=27122676

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7826406A Expired GB2000669B (en) 1977-06-07 1978-06-06 Electrode joints

Country Status (8)

Country Link
JP (1) JPS5416742A (en)
CA (1) CA1103729A (en)
DE (1) DE2824385C2 (en)
ES (2) ES470546A1 (en)
FR (1) FR2394225A1 (en)
GB (1) GB2000669B (en)
IT (1) IT1105325B (en)
SE (1) SE429281B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2469854A1 (en) * 1979-11-09 1981-05-22 Savoie Electrodes Refract NEW NIPPLE GASKET FOR OVEN ELECTRODE
JPH0648979Y2 (en) * 1989-06-23 1994-12-12 三菱電機株式会社 Volume control circuit
EP1809075A1 (en) * 2006-01-12 2007-07-18 Sgl Carbon Ag Threaded pin, carbon electrode, and electrode assembly

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074780B (en) * 1960-02-04 Siemens-Planiawerke Aktiengesellschaft für Kohlefabrikate, Meitingen bei Augsburg Double-conical threaded nipple for connecting graphite or carbon electrodes
US2708601A (en) * 1951-09-27 1955-05-17 Daimler Benz Ag Fuel-injecting apparatus for an internal combustion engine
DE1077347B (en) * 1958-11-07 1960-03-10 Siemens Planiawerke Ag Screw connection with double conical nipples for graphite electrodes
DE1111750B (en) * 1960-01-27 1961-07-27 Siemens Planiawerke Ag Screw connection between graphite electrodes
FR1417007A (en) * 1963-12-10 1965-11-05 Siemens Planiawerke Ag Assembly by screwing two elements in material such as carbon
DE1608626B1 (en) * 1963-12-10 1969-09-11 Sigri Elektrographit Gmbh Secured screw connection of two coal bodies
US3612586A (en) * 1969-10-29 1971-10-12 Union Carbide Corp Asymmetric joint for connecting carbon electrodes
DE2143997C3 (en) * 1971-09-02 1975-11-13 Sigri Elektrographit Gmbh Connection of carbon and graphite electrodes

Also Published As

Publication number Publication date
ES470546A1 (en) 1979-09-01
IT7849739A0 (en) 1978-06-06
DE2824385C2 (en) 1983-11-10
JPS5631713B2 (en) 1981-07-23
SE7806146L (en) 1978-12-08
IT1105325B (en) 1985-10-28
CA1103729A (en) 1981-06-23
DE2824385A1 (en) 1978-12-14
FR2394225A1 (en) 1979-01-05
SE429281B (en) 1983-08-22
FR2394225B1 (en) 1984-05-11
JPS5416742A (en) 1979-02-07
GB2000669B (en) 1982-03-03
ES478630A1 (en) 1979-05-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970606