Continuous process for manufacturing electrical cables

Details Continuous process for manufacturing electrical cables Continuous process for manufacturing electrical cables

H - Electricity

01

B

H01B 13/00 (2006.01) H01B 13/14 (2006.01) H01B 13/26 (2006.01)

Patent

CA 2534261

The present invention concerns a process for manufacturing an electric cable. In particular, the process comprises the phases of: a) feeding a conductor at a predetermined feeding speed; b) extruding a thermoplastic insulating layer in a position radially external to the conductor; c) cooling the extruded insulating layer, and forming a circumferentially closed metal shield around said extruded insulating layer. The process according to the invention is carried out continuously, i.e. the time occurring between the end of the cooling phase and the beginning of the shield forming phase is inversely proportional to the feeding speed of the conductor.

L'invention concerne un procédé de fabrication de câble électrique. Ce procédé consiste en particulier : (a) à acheminer un conducteur à une vitesse prédéterminée ; (b) à extruder une couche thermoplastique isolante sur un emplacement radialement externe par rapport au conducteur ; (c) à refroidir la couche isolante extrudée et à former un blindage métallique, fermé au niveau de sa circonférence, autour de ladite couche isolante extrudée. Le procédé selon l'invention est mis en oeuvre de manière continue, c'est-à-dire que le temps qui s'écoule entre la fin de la phase de refroidissement et le début de la phase de formation de blindage est inversement proportionnel à la vitesse d'acheminement du conducteur.

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