EP0178796A3 - Manufacture of vacuum interrupter contacts - Google Patents

Manufacture of vacuum interrupter contacts Download PDF

Info

Publication number: EP0178796A3
Authority: EP; European Patent Office
Prior art keywords: manufacture; vacuum interrupter; interrupter contacts; contacts; vacuum
Prior art date: 1984-10-15
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

EP85306634A

Other versions

EP0178796A2 (en

EP0178796B1 (en

Inventor

Denzil Malcolm Atkinson

Peter Melkin

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.)

VACUUM INTERRUPTERS Ltd

Original Assignee

VACUUM INTERRUPTERS 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.)

1984-10-15

Filing date

1985-09-18

Publication date

1987-05-27

1985-09-18 Application filed by VACUUM INTERRUPTERS Ltd filed Critical VACUUM INTERRUPTERS Ltd

1986-04-23 Publication of EP0178796A2 publication Critical patent/EP0178796A2/en

1987-05-27 Publication of EP0178796A3 publication Critical patent/EP0178796A3/en

1989-11-02 Application granted granted Critical

1989-11-02 Publication of EP0178796B1 publication Critical patent/EP0178796B1/en

Status 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
- H01H1/0206—Contacts characterised by the material thereof specially adapted for vacuum switches containing as major components Cu and Cr

EP19850306634 1984-10-15 1985-09-18 Manufacture of vacuum interrupter contacts Expired EP0178796B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB848426009A GB8426009D0 (en)	1984-10-15	1984-10-15	Vacuum interrupter contacts
GB8426009		1984-10-15

Publications (3)

Publication Number	Publication Date
EP0178796A2 EP0178796A2 (en)	1986-04-23
EP0178796A3 true EP0178796A3 (en)	1987-05-27
EP0178796B1 EP0178796B1 (en)	1989-11-02

Family

ID=10568206

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19850306634 Expired EP0178796B1 (en)	1984-10-15	1985-09-18	Manufacture of vacuum interrupter contacts

Country Status (5)

Country	Link
EP (1)	EP0178796B1 (en)
JP (1)	JPS6196621A (en)
DE (1)	DE3574074D1 (en)
GB (2)	GB8426009D0 (en)
IN (1)	IN164807B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4743718A (en) *	1987-07-13	1988-05-10	Westinghouse Electric Corp.	Electrical contacts for vacuum interrupter devices
EP0474628B1 (en) *	1989-05-31	1993-07-28	Siemens Aktiengesellschaft	Process for producing a cucr contact material for vacuum switches and appropriate contact material
TW237551B (en) *	1990-06-07	1995-01-01	Toshiba Co Ltd
JP2908071B2 (en) *	1991-06-21	1999-06-21	株式会社東芝	Contact material for vacuum valve

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1194674A (en) *	1966-05-27	1970-06-10	English Electric Co Ltd	Vacuum Type Electric Circuit Interrupting Devices
DE2346179A1 (en) *	1973-09-13	1975-06-26	Siemens Ag	COMPOSITE METAL AS CONTACT MATERIAL FOR VACUUM SWITCHES
DE2522832A1 (en) *	1974-06-03	1975-12-18	Westinghouse Electric Corp	PROCESS FOR PRODUCING CHROME-COPPER CONTACTS FOR VACUUM SWITCHES AND CONTACTS PRODUCED BY THIS PROCESS
US4048117A (en) *	1974-10-29	1977-09-13	Westinghouse Electric Corporation	Vacuum switch contact materials
EP0118844A2 (en) *	1983-03-04	1984-09-19	Hitachi, Ltd.	Vacuum switch and method of manufacturing the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4190753A (en) *	1978-04-13	1980-02-26	Westinghouse Electric Corp.	High-density high-conductivity electrical contact material for vacuum interrupters and method of manufacture
JPS54147481A (en) *	1978-05-11	1979-11-17	Mitsubishi Electric Corp	Contact for vacuum breaker
US4304600A (en) *	1979-11-01	1981-12-08	Bell Telephone Laboratories, Incorporated	Manufacture of high-strength metallic articles

1984
- 1984-10-15 GB GB848426009A patent/GB8426009D0/en active Pending
1985
- 1985-08-28 IN IN705/DEL/85A patent/IN164807B/en unknown
- 1985-09-04 GB GB08521984A patent/GB2166161B/en not_active Expired
- 1985-09-18 DE DE8585306634T patent/DE3574074D1/en not_active Expired
- 1985-09-18 EP EP19850306634 patent/EP0178796B1/en not_active Expired
- 1985-10-01 JP JP21899885A patent/JPS6196621A/en active Pending

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1194674A (en) *	1966-05-27	1970-06-10	English Electric Co Ltd	Vacuum Type Electric Circuit Interrupting Devices
DE2346179A1 (en) *	1973-09-13	1975-06-26	Siemens Ag	COMPOSITE METAL AS CONTACT MATERIAL FOR VACUUM SWITCHES
DE2522832A1 (en) *	1974-06-03	1975-12-18	Westinghouse Electric Corp	PROCESS FOR PRODUCING CHROME-COPPER CONTACTS FOR VACUUM SWITCHES AND CONTACTS PRODUCED BY THIS PROCESS
US4048117A (en) *	1974-10-29	1977-09-13	Westinghouse Electric Corporation	Vacuum switch contact materials
EP0118844A2 (en) *	1983-03-04	1984-09-19	Hitachi, Ltd.	Vacuum switch and method of manufacturing the same

Also Published As

Publication number	Publication date
EP0178796A2 (en)	1986-04-23
EP0178796B1 (en)	1989-11-02
GB8426009D0 (en)	1984-11-21
JPS6196621A (en)	1986-05-15
DE3574074D1 (en)	1989-12-07
GB2166161A (en)	1986-04-30
IN164807B (en)	1989-06-03
GB8521984D0 (en)	1985-10-09
GB2166161B (en)	1988-08-24

Legal Events

Date	Code	Title	Description
1986-03-08	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1986-04-23	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE NL
1987-04-07	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1987-05-27	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE NL
1987-07-15	17P	Request for examination filed	Effective date: 19870513
1989-05-17	17Q	First examination report despatched	Effective date: 19890404
1989-09-16	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1989-11-02	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE NL
1989-12-07	REF	Corresponds to:	Ref document number: 3574074 Country of ref document: DE Date of ref document: 19891207
1990-08-25	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1990-08-25	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1990-10-17	26N	No opposition filed
2003-08-14	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 20030814 Year of fee payment: 19
2003-08-21	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20030821 Year of fee payment: 19
2005-04-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050401 Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050401
2005-06-01	NLV4	Nl: lapsed or anulled due to non-payment of the annual fee	Effective date: 20050401

Publication	Publication Date	Title
AU558728B2 (en)	1987-02-05	Circuit interrupter
EP0208271A3 (en)	1988-11-09	Vacuum interrupter
GB2208234B (en)	1991-01-16	Vacuum interrupter contacts
GB2111309B (en)	1986-04-09	Vacuum circuit interrupter
GB8514651D0 (en)	1985-07-10	Circuit interrupter
EP0184854A3 (en)	1987-08-26	Contact for vacuum interrupter
EP0155322A4 (en)	1988-01-11	Electrode of vacuum breaker.
DE3478533D1 (en)	1989-07-06	Contact of vacuum interrupter and manufacturing process therefor
EP0181149A3 (en)	1987-07-29	Contact material for vacuum circuit breaker
GB2182805B (en)	1989-10-04	Vacuum interrupters
EP0185211A3 (en)	1988-08-17	Vacuum circuit breaker
AU565629B2 (en)	1987-09-24	Circuit interrupter
EP0150920A3 (en)	1987-09-09	Circuit interrupter
GB2130013B (en)	1986-07-09	Improved vacuum interrupter contacts
GB8501898D0 (en)	1985-02-27	Vacuum switch
DE3273687D1 (en)	1986-11-13	Electrical contact structure of a vacuum interrupter
GB2166161B (en)	1988-08-24	Manufacture of vacuum interrupter contacts
YU188585A (en)	1987-06-30	Contact assembly of vacuum switch
GB2189077B (en)	1989-11-22	Vacuum interrupter contacts
GB8506745D0 (en)	1985-04-17	Making electrical contacts
AU573551B2 (en)	1988-06-16	Vacuum interrupter contact structure
GB8622951D0 (en)	1986-10-29	Vacuum interrupters
EP0264814A3 (en)	1989-03-15	Vacuum circuit interrupter
GB8504110D0 (en)	1985-03-20	Contact for vacuum circuit breaker
AU552278B2 (en)	1986-05-29	Contacts of push button switch