Flexible cable having a dual layer jacket

H - Electricity – 01 – B

Patent

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Details

H01B 7/04 (2006.01) H01B 7/17 (2006.01)

Patent

CA 2720945

A flexible multi-conductor cable and a method of manufacturing a flexible multi-conductor cable, wherein the cable is adapted for use, particularly, in a mechanical cable track type lifting device. The cable includes two or more insulated conductors surrounded by a dual layer jacket. The dual layer jacket includes an inner layer having a TPE material with a higher tensile modulus, and an outer layer having a TPE material with a lower tensile modulus. The material of the cable is selected so that the cable is capable of surviving the external physical requirements of a mechanical cable track, as well as to prevent the transfer of the wiping effect onto the conductors.

La présente invention porte sur un câble souple multiconducteur et sur un procédé de fabrication dudit, ledit câble étant conçu pour être utilisé en particulier dans un dispositif élévateur de type à chemin de câble mécanique. Le câble comprend deux conducteurs isolés ou plus, entourés par une gaine à double couche. La gaine à double couche est constituée d'une couche intérieure comprenant un matériau TPE ayant un module d'élasticité en traction supérieur et d'une couche extérieure comprenant un matériau TPE ayant un module d'élasticité en traction inférieur. Le matériau du câble est choisi pour que le câble soit capable de survivre aux exigences physiques extérieures d'un chemin de câble mécanique, ainsi que pour éviter tout transfert de l'effet de frottement vers les conducteurs.

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