Method and device for insulating covering of cables

The proposed method for insulating the covering of cables resides in high-frequency heating of the cable conductor wrapped with tapes from polymer materials, such as polyimidepolytetrafluoroethylene films, in a transverse magnetic field over a period of time required to reach the material softening...

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Bibliographic Details
Main Authors PESHKOV, IZYASLAV B, MESCHANOV, GENNADY I, GANTTS, VITALY L, KRUPENIN, NIKOLAI V
Format Patent
LanguageEnglish
Published 29.01.1980
Subjects
BASIC ELECTRIC ELEMENTS
CABLES
CONDUCTORS
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
INSULATORS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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Summary:The proposed method for insulating the covering of cables resides in high-frequency heating of the cable conductor wrapped with tapes from polymer materials, such as polyimidepolytetrafluoroethylene films, in a transverse magnetic field over a period of time required to reach the material softening temperature and maintaining this temperature until the polymer material is baked, which is done in a longitudinal magnetic field. The device for carrying out the above method comprises an induction loop heater and a cylindrical induction heater arranged coaxially therewith. The invention can most advantageously be used to provide for quality insulation of cables up to 70 sq. mm in cross section.
Bibliography:Application Number: US19770800614