Global Patent Index - EP 1037217 A2

EP 1037217 A2 2000-09-20 - Continuous manufacturing method and device for coated cables and device for carrying out this method

Title (en)

Continuous manufacturing method and device for coated cables and device for carrying out this method

Title (de)

Verfahren zur kontinuierlichen Herstellung von ummantelten Kabeln sowie Vorrichtung zur Durchführung des Verfahrens

Title (fr)

Méthode pour la fabrication continue de câbles revêtus et dispositif pour la mise en application de cette méthode

Publication

EP 1037217 A2 (DE)

Application

EP 00890074 A

Priority

AT 49299 A

Abstract (en)

A process for the continuous production of mantled cables, especially coaxial cables with inner and outer conductors and an intermediate dielectric, comprises applying a polymer to the inner conductor using an extruder, and then cooling it. The polymer is cooled after the tool is removed and then calibrated, so an outer skin is formed which is denser than the rest of the polymer.

Abstract (de)

Koaxialkabel haben einen Innenleiter (6), einen Außenleiter und dazwischen ein geschäumtes Polymer (5) als Dielektrikum. Zur Herstellung wird zunächst das mit chemischen und/oder physikalischen Treibmitteln versetzte Polymer (4) mittels einer Ringdüse (2) eines Extruders auf den Innenleiter (6) aufgebracht. Erfindungsgemäß ist unmittelbar im Anschluss an die Ringdüse (2) eine Kalibrierung (1) vorgesehen, sodass das Polymer (5) unmittelbar nach dem Werkzeugaustritt an der Außenschicht abgekühlt und kalibriert wird. Dadurch entsteht außen eine gegenüber dem restlichen Polymer dichtere Skin-Schicht, und die elektrischen und mechanischen Eigenschaften des geschäumten Polymers haben wesentlich geringere Schwankungen. <IMAGE>

IPC 1-7 (main, further and additional classification)

H01B 13/14

IPC 8 full level (invention and additional information)

H01B 13/14 (2006.01)

CPC (invention and additional information)

H01B 13/145 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1037217 A2 20000920; EP 1037217 A3 20010516; EP 1037217 B1 20041124; AT 410610 B 20030625; AT A49299 A 20021015; DE 50008717 D1 20041230

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