GB1285980A - A vacuum type electric circuit interrupter - Google Patents

A vacuum type electric circuit interrupter

Info

Publication number
GB1285980A
GB1285980A GB6248969A GB6248969A GB1285980A GB 1285980 A GB1285980 A GB 1285980A GB 6248969 A GB6248969 A GB 6248969A GB 6248969 A GB6248969 A GB 6248969A GB 1285980 A GB1285980 A GB 1285980A
Authority
GB
United Kingdom
Prior art keywords
electric circuit
type electric
circuit interrupter
vacuum type
dec
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
GB6248969A
Inventor
Kazuo Suzuki
Isao Okutomi
Hikohiro Mizutani
Kenichiro Ando
Chiaki Hiruta
Tadahito Tsutsumi
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of GB1285980A publication Critical patent/GB1285980A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Contacts (AREA)

Abstract

1285980 Alloy switch contact TOKYO SHIBAURA ELECTRIC CO Ltd 22 Dec 1969 [24 Dec 1968] 62489/69 Heading C7A [Also in Division H1] A vacuum switch has its contacts made of an alloy of copper or silver with aluminium (up to 20% by weight) and antimony (up to 10%).
GB6248969A 1968-12-24 1969-12-22 A vacuum type electric circuit interrupter Expired GB1285980A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP43094214A JPS4818757B1 (en) 1968-12-24 1968-12-24

Publications (1)

Publication Number Publication Date
GB1285980A true GB1285980A (en) 1972-08-16

Family

ID=14104049

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6248969A Expired GB1285980A (en) 1968-12-24 1969-12-22 A vacuum type electric circuit interrupter

Country Status (3)

Country Link
JP (1) JPS4818757B1 (en)
CH (1) CH531783A (en)
GB (1) GB1285980A (en)

Also Published As

Publication number Publication date
CH531783A (en) 1972-12-15
JPS4818757B1 (en) 1973-06-08

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee