GB859620A - Improvements in or relating to compositions suitable for coating valve resistance blocks for overvoltage protective devices - Google Patents

Improvements in or relating to compositions suitable for coating valve resistance blocks for overvoltage protective devices

Info

Publication number
GB859620A
GB859620A GB38265/58A GB3826558A GB859620A GB 859620 A GB859620 A GB 859620A GB 38265/58 A GB38265/58 A GB 38265/58A GB 3826558 A GB3826558 A GB 3826558A GB 859620 A GB859620 A GB 859620A
Authority
GB
United Kingdom
Prior art keywords
relating
compositions suitable
protective devices
overvoltage protective
resistance blocks
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
GB38265/58A
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB859620A publication Critical patent/GB859620A/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
    • H01C7/12—Overvoltage protection resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Paints Or Removers (AREA)

Abstract

A high resistance protective coating for a voltage sensitive resistor block consists of 40% to 65% by weight of wollastonite or talc with 60% to 35% of potassium silicate. The coating may be applied in the form of an aqueous solution and then baked.
GB38265/58A 1957-12-04 1958-11-27 Improvements in or relating to compositions suitable for coating valve resistance blocks for overvoltage protective devices Expired GB859620A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US859620XA 1957-12-04 1957-12-04

Publications (1)

Publication Number Publication Date
GB859620A true GB859620A (en) 1961-01-25

Family

ID=22195103

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38265/58A Expired GB859620A (en) 1957-12-04 1958-11-27 Improvements in or relating to compositions suitable for coating valve resistance blocks for overvoltage protective devices

Country Status (1)

Country Link
GB (1) GB859620A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222197A (en) * 1962-01-25 1965-12-07 Lockheed Aircraft Corp Inorganic surface coatings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222197A (en) * 1962-01-25 1965-12-07 Lockheed Aircraft Corp Inorganic surface coatings

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