GB9020735D0 - High current switch components - Google Patents

High current switch components

Info

Publication number
GB9020735D0
GB9020735D0 GB909020735A GB9020735A GB9020735D0 GB 9020735 D0 GB9020735 D0 GB 9020735D0 GB 909020735 A GB909020735 A GB 909020735A GB 9020735 A GB9020735 A GB 9020735A GB 9020735 D0 GB9020735 D0 GB 9020735D0
Authority
GB
United Kingdom
Prior art keywords
high current
current switch
switch components
components
switch
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Withdrawn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
GB909020735A
Other versions
GB2236429A (en
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.)
Alstom UK Ltd
Original Assignee
GEC Alsthom 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.)
Filing date
Publication date
Application filed by GEC Alsthom Ltd filed Critical GEC Alsthom Ltd
Publication of GB9020735D0 publication Critical patent/GB9020735D0/en
Publication of GB2236429A publication Critical patent/GB2236429A/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Withdrawn legal-status Critical Current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
    • H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Switches (AREA)
GB9020735A 1989-09-22 1990-09-24 Conditioning components Withdrawn GB2236429A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898921475A GB8921475D0 (en) 1989-09-22 1989-09-22 High current switch components

Publications (2)

Publication Number Publication Date
GB9020735D0 true GB9020735D0 (en) 1990-11-07
GB2236429A GB2236429A (en) 1991-04-03

Family

ID=10663493

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898921475A Pending GB8921475D0 (en) 1989-09-22 1989-09-22 High current switch components
GB9020735A Withdrawn GB2236429A (en) 1989-09-22 1990-09-24 Conditioning components

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898921475A Pending GB8921475D0 (en) 1989-09-22 1989-09-22 High current switch components

Country Status (3)

Country Link
GB (2) GB8921475D0 (en)
WO (1) WO1991004567A1 (en)
ZA (1) ZA907603B (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL24158C (en) * 1928-01-12
DE1251406B (en) * 1962-01-24
US4420346A (en) * 1980-11-28 1983-12-13 Belkin German S Method of preparing contacts and electrodes of electric vacuum apparatuses
DE3226543A1 (en) * 1982-07-15 1984-01-19 Siemens AG, 1000 Berlin und 8000 München METHOD FOR ADJUSTING FINE-ENGINEERING PARTS
DE3303170A1 (en) * 1983-01-31 1984-08-02 Siemens AG, 1000 Berlin und 8000 München METHOD FOR PRODUCING COPPER-CHROME MELTING ALLOYS AS A CONTACT MATERIAL FOR VACUUM CIRCUIT BREAKER
US4486240A (en) * 1983-07-18 1984-12-04 Sciaky Bros., Inc. Method and apparatus for heat treating
US4736078A (en) * 1983-10-07 1988-04-05 Kabushiki Kaisha Toshiba Method for processing vacuum switch and vacuum switch processed by the method
GB2169318A (en) * 1985-01-04 1986-07-09 Rolls Royce Metal surface hardening by carbide formation

Also Published As

Publication number Publication date
ZA907603B (en) 1991-07-31
WO1991004567A1 (en) 1991-04-04
GB2236429A (en) 1991-04-03
GB8921475D0 (en) 1989-11-08

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)