GB1255685A - Vacuum type circuit interrupter - Google Patents

Vacuum type circuit interrupter

Info

Publication number
GB1255685A
GB1255685A GB4222869A GB4222869A GB1255685A GB 1255685 A GB1255685 A GB 1255685A GB 4222869 A GB4222869 A GB 4222869A GB 4222869 A GB4222869 A GB 4222869A GB 1255685 A GB1255685 A GB 1255685A
Authority
GB
United Kingdom
Prior art keywords
iron
alloy
copper
contacts
aug
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.)
Expired
Application number
GB4222869A
Other languages
English (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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB1255685A publication Critical patent/GB1255685A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Contacts (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
GB4222869A 1968-08-26 1969-08-25 Vacuum type circuit interrupter Expired GB1255685A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6049468A JPS4840384B1 (enrdf_load_html_response) 1968-08-26 1968-08-26

Publications (1)

Publication Number Publication Date
GB1255685A true GB1255685A (en) 1971-12-01

Family

ID=13143885

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4222869A Expired GB1255685A (en) 1968-08-26 1969-08-25 Vacuum type circuit interrupter

Country Status (2)

Country Link
JP (1) JPS4840384B1 (enrdf_load_html_response)
GB (1) GB1255685A (enrdf_load_html_response)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933166A (enrdf_load_html_response) * 1972-07-28 1974-03-27
JPS4946170A (enrdf_load_html_response) * 1972-09-11 1974-05-02
DE3027732A1 (de) * 1979-07-27 1981-02-12 Mitsubishi Electric Corp Kontakt fuer einen vakuumleistungsschalter
EP0083200A1 (en) * 1981-12-21 1983-07-06 Mitsubishi Denki Kabushiki Kaisha Electrode composition for vacuum switch
US4419551A (en) 1977-05-27 1983-12-06 Mitsubishi Denki Kabushiki Kaisha Vacuum circuit interrupter and method of producing the same
GB2123852A (en) * 1982-07-19 1984-02-08 Gen Electric Electrode contacts for high current circuit interruption
EP0109088A1 (en) * 1982-11-16 1984-05-23 Mitsubishi Denki Kabushiki Kaisha Contact material for vacuum circuit breaker
DE3347550A1 (de) * 1983-12-30 1985-07-11 Siemens AG, 1000 Berlin und 8000 München Verbundwerkstoff aus chrom und kupfer, verfahren zu dessen herstellung sowie formteilkontaktstueck aus diesem werkstoff

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55148033A (en) * 1979-05-04 1980-11-18 Orinpia Engineering Kk Method and apparatus for combating unnecessary organism in lavor breeding
JPS61209534A (ja) * 1985-03-13 1986-09-17 合資会社　長野産業 ひび網の酸処理法及びその装置

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933166A (enrdf_load_html_response) * 1972-07-28 1974-03-27
JPS4946170A (enrdf_load_html_response) * 1972-09-11 1974-05-02
US4419551A (en) 1977-05-27 1983-12-06 Mitsubishi Denki Kabushiki Kaisha Vacuum circuit interrupter and method of producing the same
DE3027732A1 (de) * 1979-07-27 1981-02-12 Mitsubishi Electric Corp Kontakt fuer einen vakuumleistungsschalter
EP0083200A1 (en) * 1981-12-21 1983-07-06 Mitsubishi Denki Kabushiki Kaisha Electrode composition for vacuum switch
GB2123852A (en) * 1982-07-19 1984-02-08 Gen Electric Electrode contacts for high current circuit interruption
EP0109088A1 (en) * 1982-11-16 1984-05-23 Mitsubishi Denki Kabushiki Kaisha Contact material for vacuum circuit breaker
US4575451A (en) * 1982-11-16 1986-03-11 Mitsubishi Denki Kabushiki Kaisha Contact material for vacuum circuit breaker
DE3347550A1 (de) * 1983-12-30 1985-07-11 Siemens AG, 1000 Berlin und 8000 München Verbundwerkstoff aus chrom und kupfer, verfahren zu dessen herstellung sowie formteilkontaktstueck aus diesem werkstoff

Also Published As

Publication number Publication date
JPS4840384B1 (enrdf_load_html_response) 1973-11-30

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