GB503218A - Improvements in and relating to electric protective devices - Google Patents

Improvements in and relating to electric protective devices

Info

Publication number
GB503218A
GB503218A GB18190/37A GB1819037A GB503218A GB 503218 A GB503218 A GB 503218A GB 18190/37 A GB18190/37 A GB 18190/37A GB 1819037 A GB1819037 A GB 1819037A GB 503218 A GB503218 A GB 503218A
Authority
GB
United Kingdom
Prior art keywords
protective devices
relating
electric protective
june
conducting
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
GB18190/37A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB503218A publication Critical patent/GB503218A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/105—Varistor cores
    • H01C7/118—Carbide, e.g. SiC type

Abstract

503,218. Resinous compositions. BRITISH THOMSON-HOUSTON CO., Ltd. June 30, 1937, No. 18190. Void. Convention date, June 30, 1936. [Class 22] [Also in Group IV] Resistances for over - voltage protective devices are prepared from conducting and semi-conducting substances (such as graphite and silicon carbide) and a nonconducting hardenable binder (such as shellac).
GB18190/37A 1936-06-30 1937-06-30 Improvements in and relating to electric protective devices Expired GB503218A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE503218X 1936-06-30

Publications (1)

Publication Number Publication Date
GB503218A true GB503218A (en) 1939-04-03

Family

ID=6546027

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18190/37A Expired GB503218A (en) 1936-06-30 1937-06-30 Improvements in and relating to electric protective devices

Country Status (1)

Country Link
GB (1) GB503218A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2630512A (en) * 1946-02-27 1953-03-03 Rahbek Knud Semiconductor unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2630512A (en) * 1946-02-27 1953-03-03 Rahbek Knud Semiconductor unit

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