GB2166161B - Manufacture of vacuum interrupter contacts - Google Patents

Manufacture of vacuum interrupter contacts

Info

Publication number
GB2166161B
GB2166161B GB08521984A GB8521984A GB2166161B GB 2166161 B GB2166161 B GB 2166161B GB 08521984 A GB08521984 A GB 08521984A GB 8521984 A GB8521984 A GB 8521984A GB 2166161 B GB2166161 B GB 2166161B
Authority
GB
United Kingdom
Prior art keywords
manufacture
vacuum interrupter
interrupter contacts
contacts
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.)
Expired
Application number
GB08521984A
Other versions
GB2166161A (en
GB8521984D0 (en
Inventor
Denzil Malcolm Atkinson
Peter Malkin
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
Original Assignee
VACUUM INTERRUPTERS
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 VACUUM INTERRUPTERS filed Critical VACUUM INTERRUPTERS
Publication of GB8521984D0 publication Critical patent/GB8521984D0/en
Publication of GB2166161A publication Critical patent/GB2166161A/en
Application granted granted Critical
Publication of GB2166161B publication Critical patent/GB2166161B/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
    • H01H1/0206—Contacts characterised by the material thereof specially adapted for vacuum switches containing as major components Cu and Cr
GB08521984A 1984-10-15 1985-09-04 Manufacture of vacuum interrupter contacts Expired GB2166161B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB8521984D0 GB8521984D0 (en) 1985-10-09
GB2166161A GB2166161A (en) 1986-04-30
GB2166161B true GB2166161B (en) 1988-08-24

Family

ID=10568206

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848426009A Pending GB8426009D0 (en) 1984-10-15 1984-10-15 Vacuum interrupter contacts
GB08521984A Expired GB2166161B (en) 1984-10-15 1985-09-04 Manufacture of vacuum interrupter contacts

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848426009A Pending GB8426009D0 (en) 1984-10-15 1984-10-15 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

Family Cites Families (8)

* 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
US3960554A (en) * 1974-06-03 1976-06-01 Westinghouse Electric Corporation Powdered metallurgical process for forming vacuum interrupter contacts
US4048117A (en) * 1974-10-29 1977-09-13 Westinghouse Electric Corporation Vacuum switch contact materials
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
JPS59163726A (en) * 1983-03-04 1984-09-14 株式会社日立製作所 Vacuum breaker

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
EP0178796A3 (en) 1987-05-27
GB2166161A (en) 1986-04-30
IN164807B (en) 1989-06-03
GB8521984D0 (en) 1985-10-09

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee