EP2413337A4 - Electrical contact material - Google Patents

Electrical contact material

Info

Publication number
EP2413337A4
EP2413337A4 EP10755584.9A EP10755584A EP2413337A4 EP 2413337 A4 EP2413337 A4 EP 2413337A4 EP 10755584 A EP10755584 A EP 10755584A EP 2413337 A4 EP2413337 A4 EP 2413337A4
Authority
EP
European Patent Office
Prior art keywords
electrical contact
contact material
electrical
contact
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.)
Withdrawn
Application number
EP10755584.9A
Other languages
German (de)
French (fr)
Other versions
EP2413337A1 (en
Inventor
Takashi Hatakeyama
Noboru Uenishi
Yasuhiko Suzuki
Norihito Goma
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.)
ALMT Corp
Original Assignee
ALMT 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
Application filed by ALMT Corp filed Critical ALMT Corp
Publication of EP2413337A1 publication Critical patent/EP2413337A1/en
Publication of EP2413337A4 publication Critical patent/EP2413337A4/en
Withdrawn legal-status Critical Current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
    • H01H1/021—Composite material
    • H01H1/023—Composite material having a noble metal as the basic material
    • 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
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • 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
    • C22C1/10—Alloys containing non-metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C5/00—Alloys based on noble metals
    • C22C5/06—Alloys based on silver
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • H01H1/023—Composite material having a noble metal as the basic material
    • H01H1/0233—Composite material having a noble metal as the basic material and containing carbides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • H01H1/027—Composite material containing carbon particles or fibres
EP10755584.9A 2009-03-24 2010-03-03 Electrical contact material Withdrawn EP2413337A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009071526 2009-03-24
PCT/JP2010/001444 WO2010109777A1 (en) 2009-03-24 2010-03-03 Electrical contact material

Publications (2)

Publication Number Publication Date
EP2413337A1 EP2413337A1 (en) 2012-02-01
EP2413337A4 true EP2413337A4 (en) 2014-08-20

Family

ID=42780477

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10755584.9A Withdrawn EP2413337A4 (en) 2009-03-24 2010-03-03 Electrical contact material

Country Status (4)

Country Link
EP (1) EP2413337A4 (en)
JP (1) JP4579348B1 (en)
CN (2) CN102362326B (en)
WO (1) WO2010109777A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU198536U1 (en) * 2019-11-01 2020-07-15 Общество С Ограниченной Ответственностью "Инновационные Технологии На Железнодорожном Транспорте" (Ооо "Итжт") LOW VOLTAGE SOLENOID RELAY CONTACT PART

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4898978B2 (en) * 2010-06-22 2012-03-21 株式会社アライドマテリアル Electrical contact material
RU176664U1 (en) * 2017-07-10 2018-01-25 Общество с ограниченной ответственностью "Информационные технологии" (ООО "ИнфоТех") COMPOSITE ELECTRIC CONTACT
CN109243872A (en) * 2018-09-21 2019-01-18 靖江市海源有色金属材料有限公司 A kind of silver graphite base electric contact and preparation method thereof
KR102356988B1 (en) * 2021-07-08 2022-02-08 주식회사 유승 Dispersion Hardened Silver-based Composite for Measuring Device Element of Electronic Parts and Manufacturing Process of the Dispersion Hardened Silver-based Composite by Powder Metallurgy
EP4328933A1 (en) * 2022-08-26 2024-02-28 TE Connectivity Solutions GmbH Coating on a surface to transmit electrical current

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52147768A (en) * 1976-06-03 1977-12-08 Sumitomo Electric Industries Electric contact material
US4689196A (en) * 1985-06-24 1987-08-25 Gte Products Corporation Silver-tungsten carbide-graphite electrical contact
JPS637345A (en) * 1986-06-27 1988-01-13 Sumitomo Electric Ind Ltd Electrical contact material and its production
WO1997037363A1 (en) * 1996-04-01 1997-10-09 Square D Company Electrical contact for use in a circuit breaker and a method of manufacturing thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4111683A1 (en) 1991-04-10 1992-10-22 Duerrwaechter E Dr Doduco MATERIAL FOR ELECTRICAL CONTACTS MADE OF SILVER WITH CARBON
DE19503184C1 (en) 1995-02-01 1996-05-02 Degussa Ag-based material for electrical contacts with improved erosion characteristics and resistant to welding
KR100415260B1 (en) * 2001-07-31 2004-01-16 (주)삼동 Method for manufacturing non-oxygen Cu-Ag alloy
CN1166475C (en) * 2002-07-02 2004-09-15 华东师范大学 Process for preparing electric silver/graphite contact material by nano technique
CN1256450C (en) * 2003-06-04 2006-05-17 中国科学院金属研究所 Silver-base electric contact head materials
JP2005120427A (en) * 2003-10-16 2005-05-12 Matsushita Electric Works Ltd Material for electric contact, and electric contact
CN100365747C (en) * 2003-12-23 2008-01-30 哈尔滨东大电工有限责任公司 Electric contact material for low voltage electric appliance
CN1713463A (en) * 2004-06-21 2005-12-28 上海电器科学研究所（集团）有限公司 Production of fibrous silver-graphite/silver contacts
CN1658346A (en) * 2005-03-10 2005-08-24 上海大学 Manufacturing method of silver-tungsten carbide-carbon electrical contact material
JP2007169701A (en) 2005-12-21 2007-07-05 Mitsubishi Material Cmi Kk Material for electrical contact and its production method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52147768A (en) * 1976-06-03 1977-12-08 Sumitomo Electric Industries Electric contact material
US4689196A (en) * 1985-06-24 1987-08-25 Gte Products Corporation Silver-tungsten carbide-graphite electrical contact
JPS637345A (en) * 1986-06-27 1988-01-13 Sumitomo Electric Ind Ltd Electrical contact material and its production
WO1997037363A1 (en) * 1996-04-01 1997-10-09 Square D Company Electrical contact for use in a circuit breaker and a method of manufacturing thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 197804, Derwent World Patents Index; Class L03, AN 1978-07321A, XP002726960 *
See also references of WO2010109777A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU198536U1 (en) * 2019-11-01 2020-07-15 Общество С Ограниченной Ответственностью "Инновационные Технологии На Железнодорожном Транспорте" (Ооо "Итжт") LOW VOLTAGE SOLENOID RELAY CONTACT PART

Also Published As

Publication number Publication date
CN102362326A (en) 2012-02-22
JP4579348B1 (en) 2010-11-10
CN102362326B (en) 2015-03-25
EP2413337A1 (en) 2012-02-01
WO2010109777A1 (en) 2010-09-30
CN103794385A (en) 2014-05-14
CN103794385B (en) 2016-03-30
JPWO2010109777A1 (en) 2012-09-27

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20110921

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20140723

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 5/06 20060101ALI20140716BHEP

Ipc: H01H 1/027 20060101ALI20140716BHEP

Ipc: H01H 1/023 20060101AFI20140716BHEP

Ipc: C22C 32/00 20060101ALI20140716BHEP

Ipc: H01H 1/0233 20060101ALI20140716BHEP

Ipc: C22C 1/05 20060101ALI20140716BHEP

Ipc: C22C 1/10 20060101ALI20140716BHEP

17Q First examination report despatched

Effective date: 20171102

STAA Information on the status of an ep patent application or granted ep patent

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18W Application withdrawn

Effective date: 20180116