EP2587507A4 - Electrical contact material - Google Patents

Electrical contact material

Info

Publication number: EP2587507A4
Authority: EP; European Patent Office
Prior art keywords: electrical contact; contact material; electrical; contact
Prior art date: 2010-06-22
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

EP20110797992

Other languages

German (de)

French (fr)

Other versions

EP2587507A1 (en

EP2587507B1 (en

Inventor

Takashi Hatakeyama

Noboru Uenishi

Norihito Goma

Yasuhiko Suzuki

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.)

2010-06-22

Filing date

2011-06-09

Publication date

2014-12-10

2011-06-09 Application filed by ALMT Corp filed Critical ALMT Corp

2013-05-01 Publication of EP2587507A1 publication Critical patent/EP2587507A1/en

2014-12-10 Publication of EP2587507A4 publication Critical patent/EP2587507A4/en

2015-12-09 Application granted granted Critical

2015-12-09 Publication of EP2587507B1 publication Critical patent/EP2587507B1/en

Status Not-in-force legal-status Critical Current

2031-06-09 Anticipated expiration legal-status Critical

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
- H01H1/027—Composite material containing carbon particles or fibres
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0052—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
- 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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Composite Materials (AREA)
Contacts (AREA)
Powder Metallurgy (AREA)

EP11797992.2A 2010-06-22 2011-06-09 Electrical contact material Not-in-force EP2587507B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2010141246		2010-06-22
PCT/JP2011/063199 WO2011162106A1 (en)	2010-06-22	2011-06-09	Electrical contact material

Publications (3)

Publication Number	Publication Date
EP2587507A1 EP2587507A1 (en)	2013-05-01
EP2587507A4 true EP2587507A4 (en)	2014-12-10
EP2587507B1 EP2587507B1 (en)	2015-12-09

Family

ID=45371300

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP11797992.2A Not-in-force EP2587507B1 (en)	2010-06-22	2011-06-09	Electrical contact material

Country Status (4)

Country	Link
EP (1)	EP2587507B1 (en)
JP (1)	JP4898977B2 (en)
CN (1)	CN102985988B (en)
WO (1)	WO2011162106A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102947475B (en) *	2010-06-22	2015-09-02	联合材料公司	Electric contact material
CN102522229B (en) *	2011-12-30	2014-10-29	浙江天银合金技术有限公司	Production process of silver-tungsten carbide and silver-nickel-copper compounded electric contact
CN102899551B (en) *	2012-11-07	2014-12-10	福达合金材料股份有限公司	Silver-saving silver tungsten carbide graphite electrical contact material for high-performance low-voltage circuit breaker
JP2015125936A (en) *	2013-12-26	2015-07-06	株式会社徳力本店	Electric contact
CN109852837B (en) *	2019-01-11	2021-02-09	东南大学	Preparation method of Ag/MAX electric contact material
CN111363947A (en) *	2020-03-09	2020-07-03	温州中希电工合金有限公司	Silver tungsten carbide graphite composite material added with nickel alloy and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4689196A (en) *	1985-06-24	1987-08-25	Gte Products Corporation	Silver-tungsten carbide-graphite electrical contact

Family Cites Families (10)

* 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
JPS5811753A (en)	1981-07-15	1983-01-22	Sumitomo Electric Ind Ltd	Electric contact point material
JPS5811754A (en)	1981-07-15	1983-01-22	Sumitomo Electric Ind Ltd	Material for electric contact point
JPS637345A (en) *	1986-06-27	1988-01-13	Sumitomo Electric Ind Ltd	Electrical contact material and its production
US5831186A (en) *	1996-04-01	1998-11-03	Square D Company	Electrical contact for use in a circuit breaker and a method of manufacturing thereof
JPH11269579A (en) *	1998-03-24	1999-10-05	Nippon Kagaku Yakin Co Ltd	Silver-tungsten/wc base sintered type electric contact material and its production
JP4410066B2 (en) *	2003-10-21	2010-02-03	三菱電機株式会社	Manufacturing method of electrical contact material
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
CN1658346A (en) *	2005-03-10	2005-08-24	上海大学	Manufacturing method of silver-tungsten carbide-carbon electrical contact material
WO2009041246A1 (en) *	2007-09-25	2009-04-02	A.L.M.T.Corp.	Process for producing contact member, contact member, and switch

2011
- 2011-06-09 WO PCT/JP2011/063199 patent/WO2011162106A1/en active Application Filing
- 2011-06-09 EP EP11797992.2A patent/EP2587507B1/en not_active Not-in-force
- 2011-06-09 CN CN201180030936.3A patent/CN102985988B/en not_active Expired - Fee Related
- 2011-06-09 JP JP2011542617A patent/JP4898977B2/en not_active Expired - Fee Related

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4689196A (en) *	1985-06-24	1987-08-25	Gte Products Corporation	Silver-tungsten carbide-graphite electrical contact

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011162106A1 *

Also Published As

Publication number	Publication date
JP4898977B2 (en)	2012-03-21
EP2587507A1 (en)	2013-05-01
CN102985988A (en)	2013-03-20
CN102985988B (en)	2015-09-02
EP2587507B1 (en)	2015-12-09
JPWO2011162106A1 (en)	2013-08-19
WO2011162106A1 (en)	2011-12-29

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2014-12-10	RIC1	Information provided on ipc code assigned before grant	Ipc: C22C 5/06 20060101ALI20141104BHEP Ipc: C22C 1/05 20060101ALI20141104BHEP Ipc: H01H 1/021 20060101ALI20141104BHEP Ipc: H01H 1/023 20060101AFI20141104BHEP Ipc: C22C 32/00 20060101ALI20141104BHEP
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