DE69221398T2 - Verfahren zur Herstellung von Kontaktwerkstoffen für Vakuumschalter - Google Patents

Verfahren zur Herstellung von Kontaktwerkstoffen für Vakuumschalter

Info

Publication number
DE69221398T2
DE69221398T2 DE69221398T DE69221398T DE69221398T2 DE 69221398 T2 DE69221398 T2 DE 69221398T2 DE 69221398 T DE69221398 T DE 69221398T DE 69221398 T DE69221398 T DE 69221398T DE 69221398 T2 DE69221398 T2 DE 69221398T2
Authority
DE
Germany
Prior art keywords
production
contact materials
vacuum switches
switches
vacuum
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.)
Revoked
Application number
DE69221398T
Other languages
English (en)
Other versions
DE69221398D1 (de
Inventor
Tsutomu Okutomi
Tsuneyo Seki
Atsushi Yamamoto
Mikio Okawa
Tadaaki Sekiguchi
Yoshiko Majima
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.)
Toshiba Corp
Original Assignee
Toshiba 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15802399&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69221398(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE69221398D1 publication Critical patent/DE69221398D1/de
Publication of DE69221398T2 publication Critical patent/DE69221398T2/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/145—Chemical treatment, e.g. passivation or decarburisation
    • 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
    • H01H1/0206—Contacts characterised by the material thereof specially adapted for vacuum switches containing as major components Cu and Cr

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Powder Metallurgy (AREA)
  • Contacts (AREA)
  • Manufacture Of Switches (AREA)
DE69221398T 1991-07-05 1992-05-13 Verfahren zur Herstellung von Kontaktwerkstoffen für Vakuumschalter Revoked DE69221398T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3164922A JP2908073B2 (ja) 1991-07-05 1991-07-05 真空バルブ用接点合金の製造方法

Publications (2)

Publication Number Publication Date
DE69221398D1 DE69221398D1 (de) 1997-09-11
DE69221398T2 true DE69221398T2 (de) 1998-03-05

Family

ID=15802399

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69221398T Revoked DE69221398T2 (de) 1991-07-05 1992-05-13 Verfahren zur Herstellung von Kontaktwerkstoffen für Vakuumschalter

Country Status (6)

Country Link
US (1) US5403543A (de)
EP (1) EP0521274B1 (de)
JP (1) JP2908073B2 (de)
KR (1) KR970004578B1 (de)
CN (1) CN1034087C (de)
DE (1) DE69221398T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5561833A (en) * 1993-03-11 1996-10-01 Japan Metals & Chemicals Co., Ltd. Method of making high oxygen chromium target
CN1067805C (zh) * 1994-10-28 2001-06-27 黄国欣 半导体晶片结合方法
JP3441331B2 (ja) * 1997-03-07 2003-09-02 芝府エンジニアリング株式会社 真空バルブ用接点材料の製造方法
JP3663038B2 (ja) * 1997-09-01 2005-06-22 芝府エンジニアリング株式会社 真空バルブ
CN1293212C (zh) * 2004-02-23 2007-01-03 西安交通大学 一种铜合金
JP4759987B2 (ja) * 2004-11-15 2011-08-31 株式会社日立製作所 電極および電気接点とその製法
AT11814U1 (de) * 2010-08-03 2011-05-15 Plansee Powertech Ag Verfahren zum pulvermetallurgischen herstellen eines cu-cr-werkstoffs
JP2012134014A (ja) * 2010-12-21 2012-07-12 Toshiba Corp 真空バルブ用接点材料
JP6055176B2 (ja) * 2011-11-07 2016-12-27 株式会社東芝 真空バルブ用接点材料
JP6048966B2 (ja) * 2013-04-23 2016-12-21 三菱電機株式会社 真空バルブ用接点材料及びその製造方法
AT13691U1 (de) * 2013-09-02 2014-06-15 Plansee Se Chrommetallpulver
CN104637711B (zh) * 2015-01-27 2018-05-11 上海银点电子科技有限公司 一种铆钉触点加工工艺
CN105047442B (zh) * 2015-07-13 2017-07-18 青海大学 一种Ag‑CuO低压触点材料及其制备方法
DE102019219879B4 (de) * 2019-12-17 2023-02-02 Siemens Aktiengesellschaft Verfahren zum Herstellen von verschweißbar ausgestalteten Kupferschaltkontakten und Vakuumleistungsschalter mit solchen Kontaktstücken
CN111654107B (zh) * 2020-06-11 2021-04-06 国家电网有限公司华东分部 一种基于图像识别的设备刀闸状态分析系统
CN112605390B (zh) * 2020-10-19 2022-08-26 西安斯瑞先进铜合金科技有限公司 一种利用铬粉制备高温合金用真空级低氮金属铬的制备方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1113364A (fr) * 1953-10-07 1956-03-28 Elek Ska Svetsningsaktiebolage Procédé de fabrication d'alliages de chrome à faible teneur en carbone
US2850378A (en) * 1956-12-17 1958-09-02 Walter M Weil Production of chromium by low-pressure reduction of oxides
DE2240493C3 (de) * 1972-08-17 1978-04-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Durchdringungsverbundmetall als Kontaktwerkstoff für Vakuumschalter und Verfahren zu seiner Herstellung
DE2346179A1 (de) * 1973-09-13 1975-06-26 Siemens Ag Verbundmetall als kontaktwerkstoff fuer vakuumschalter
US3945863A (en) * 1973-09-20 1976-03-23 Martin Marietta Corporation Process for treating metal powders
GB1459475A (en) * 1974-05-23 1976-12-22 English Electric Co Ltd Manufacture of contact ekements for vacuum interrupters
US4048117A (en) * 1974-10-29 1977-09-13 Westinghouse Electric Corporation Vacuum switch contact materials
US4209320A (en) * 1976-03-12 1980-06-24 Kawasaki Steel Corporation Process for producing low-oxygen iron-base metallic powder
DE2619459C3 (de) * 1976-05-03 1978-11-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Sinterverbundwerkstoff als Kontaktwerkstoff für Vakuum-Mittelspannungs-Leistungsschalter
JPS5394212A (en) * 1977-01-31 1978-08-18 Kawasaki Steel Co Method of making ultralowwcarbon*highh nitrogen chrome steel
DE2802445C3 (de) * 1977-11-15 1981-02-05 British Steel Corp., London Verfahren zur kontinuierlichen Herstellung eines Stahlbandes aus Stahlpulver
JPH0612646B2 (ja) * 1985-09-30 1994-02-16 株式会社東芝 真空バルブ用接点材料
JPH0760623B2 (ja) * 1986-01-21 1995-06-28 株式会社東芝 真空バルブ用接点合金
US4722826A (en) * 1986-09-15 1988-02-02 Inco Alloys International, Inc. Production of water atomized powder metallurgy products
JPH01246329A (ja) * 1988-03-28 1989-10-02 Tosoh Corp 金属クロムを含有する合金の製造法
JPH03146625A (ja) * 1989-11-01 1991-06-21 Japan Metals & Chem Co Ltd 高純度金属クロムの製造方法
JPH03149719A (ja) * 1989-11-02 1991-06-26 Mitsubishi Electric Corp 真空スイツチ用接点材料およびその製法

Also Published As

Publication number Publication date
CN1068597A (zh) 1993-02-03
EP0521274A1 (de) 1993-01-07
CN1034087C (zh) 1997-02-19
JPH0512965A (ja) 1993-01-22
EP0521274B1 (de) 1997-08-06
JP2908073B2 (ja) 1999-06-21
KR930003194A (ko) 1993-02-24
DE69221398D1 (de) 1997-09-11
KR970004578B1 (ko) 1997-03-29
US5403543A (en) 1995-04-04

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8320 Willingness to grant licences declared (paragraph 23)
8331 Complete revocation