MANUFACTURE OF COAXIAL CABLE

PURPOSE:To manufacture a coaxial cable which has an external conductor excellent in elongation. CONSTITUTION:A cable core 1 is continuously supplied to a conforming extruder 3 and, at the same time, an aluminum rod 2 is supplied to the extruder 3 to extrude an aluminum pipe 6 apart from the outside...

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Bibliographic Details
Main Authors IMAI AKIRA, ITO TAISUKE, KURIYAMA TOMOKI, SHIRAHATA NORIO
Format Patent
LanguageEnglish
Published 21.02.1995
Edition6
Subjects
BASIC ELECTRIC ELEMENTS
CABLES
CONDUCTORS
ELECTRICITY
INSULATORS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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Summary:PURPOSE:To manufacture a coaxial cable which has an external conductor excellent in elongation. CONSTITUTION:A cable core 1 is continuously supplied to a conforming extruder 3 and, at the same time, an aluminum rod 2 is supplied to the extruder 3 to extrude an aluminum pipe 6 apart from the outside of the cable core 1. Then, after warming it by a drive roller 21, it is cooled down by a cooling water tank 4 and them warmed again by a drive roller 23 and cold machined with a round die 5a to coat the outer periphery with the aluminum pipe. The drive rollers 21, 23 are such that sets of rolls formed with a pair of vertical drive rolls to give circular working and a pair of lateral non-drive rolls to give oval working are arranged in multiple steps. An external conductor molded in such a way is excellent in elongation and bending property.
Bibliography:Application Number: JP19930192430