EP0157494A3 - Production of dielectric insulation layers upon electrical conductors - Google Patents

Production of dielectric insulation layers upon electrical conductors Download PDF

Info

Publication number
EP0157494A3
EP0157494A3 EP85301358A EP85301358A EP0157494A3 EP 0157494 A3 EP0157494 A3 EP 0157494A3 EP 85301358 A EP85301358 A EP 85301358A EP 85301358 A EP85301358 A EP 85301358A EP 0157494 A3 EP0157494 A3 EP 0157494A3
Authority
EP
European Patent Office
Prior art keywords
fluid
layer
carrier
dried
production
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Withdrawn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
EP85301358A
Other languages
German (de)
French (fr)
Other versions
EP0157494A2 (en
Inventor
Michael Allan Shannon
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of EP0157494A2 publication Critical patent/EP0157494A2/en
Publication of EP0157494A3 publication Critical patent/EP0157494A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/28—Applying continuous inductive loading, e.g. Krarup loading
    • H01B13/287—Applying continuous inductive loading, e.g. Krarup loading by passing through a coating bath
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/16—Insulating conductors or cables by passing through or dipping in a liquid bath; by spraying

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Soft Magnetic Materials (AREA)
  • Processes Specially Adapted For Manufacturing Cables (AREA)
  • Insulated Conductors (AREA)

Abstract

Providing an electrical conductor (10) with an insulation layer having a layer of dielectric carrier with magnetically per­ meable particles dispersed within the carrier, in which homo­ geneity is maintained in a fluid mixture (18) of a fluid carrier and the particles, the conductor is moved vertically through a die means (16) to coat it with a fluid layer of the mixture, the fluid carrier is dried and thickness of the dried insulation layer is con­ trolled. This control is achieved by monitoring the thickness or diameter of the dried layer and, if a variation exists between the monitored and required values, the rate of fluid flow through the die means is adjusted to adjust the monitored values to­ wards that required.
EP85301358A 1984-03-28 1985-02-28 Production of dielectric insulation layers upon electrical conductors Withdrawn EP0157494A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA450794 1984-03-28
CA000450794A CA1225359A (en) 1984-03-28 1984-03-28 Production of dielectric insulation layers upon electrical conductors

Publications (2)

Publication Number Publication Date
EP0157494A2 EP0157494A2 (en) 1985-10-09
EP0157494A3 true EP0157494A3 (en) 1987-07-01

Family

ID=4127537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85301358A Withdrawn EP0157494A3 (en) 1984-03-28 1985-02-28 Production of dielectric insulation layers upon electrical conductors

Country Status (4)

Country Link
EP (1) EP0157494A3 (en)
JP (1) JPS60212912A (en)
CA (1) CA1225359A (en)
FI (1) FI851227L (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2821631B1 (en) * 1978-05-18 1978-12-07 Felten & Guilleaume Carlswerk Method and device for determining the thickness of the insulating enamel application in enamelled wire production
GB2020476A (en) * 1978-05-05 1979-11-14 Northern Telecom Ltd An electrical conductor having a continuous inductive loading and a method of making such a conductor
GB1571113A (en) * 1976-10-19 1980-07-09 Bicc Ltd Electric cables and the manufacture thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1571113A (en) * 1976-10-19 1980-07-09 Bicc Ltd Electric cables and the manufacture thereof
GB2020476A (en) * 1978-05-05 1979-11-14 Northern Telecom Ltd An electrical conductor having a continuous inductive loading and a method of making such a conductor
DE2821631B1 (en) * 1978-05-18 1978-12-07 Felten & Guilleaume Carlswerk Method and device for determining the thickness of the insulating enamel application in enamelled wire production

Also Published As

Publication number Publication date
FI851227A0 (en) 1985-03-27
FI851227L (en) 1985-09-29
EP0157494A2 (en) 1985-10-09
CA1225359A (en) 1987-08-11
JPS60212912A (en) 1985-10-25

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): CH DE FR GB LI

PUAL Search report despatched

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Ipc: H01B 13/28

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Designated state(s): CH DE FR GB LI

17P Request for examination filed

Effective date: 19870908

17Q First examination report despatched

Effective date: 19890705

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Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19900116

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SHANNON, MICHAEL ALLAN