Seamless flat-round conductive cable for a retractable cord...

H - Electricity – 01 – B

Patent

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Details

H01B 7/08 (2006.01) B65H 75/38 (2006.01) B65H 75/48 (2006.01) H01B 7/40 (2006.01) H02G 11/02 (2006.01)

Patent

CA 2385024

A seamless flat-round conductive cable is adapted for use in a retractable cord reel (10) having a spool (50) on which a round portion of the cable (58) is wound and a cable expansion chamber (66) in which a flat portion of the cable (74) is disposed. The cable has a plurality of seamless conductive members, each of which having an inner conductor (152) and an outer insulating layer (154). The cable includes a first cable portion (74) with a substantially flat configuration and a second cable portion (58) with a substantially round configuration. The first cable portion (74) includes a plurality of conductive members which are held together in a substantially flat configuration by, alternatively, bonding, jacketing or weaving the conductive members together. The second cable portion (58) includes a plurality of conductive members, each of which is seamlessly connected to i.e., integral with, the respective conductive members of the first cable portion (74). The conductive members of the second portion are preferably twisted to form a substantially round configuration.

L'invention concerne un câble conducteur plat rond destiné à une utilisation dans un enrouleur de câble rétractable (10) présentant une bobine (50) sur laquelle une section ronde du câble (58) est enroulée, et une chambre d'expansion de câble (66) dans laquelle est disposée une section plate du câble (74). Le câble présente une pluralité d'éléments conducteurs sans soudure, chacun pouvant comprendre un conducteur intérieur (152) et une couche isolante extérieure (154). Le câble comporte une première section de câble (74) essentiellement plate, et une deuxième section de câble (58) essentiellement ronde. La première section de câble (74) comporte une pluralité d'éléments conducteurs assemblés dans une configuration essentiellement plate par liaison, gainage ou tissage alternatifs des éléments les uns aux autres. La deuxième section de câble (58) comporte une pluralité d'éléments conducteurs, chacun étant assemblé sans soudure, c.-à-d. intégralement, à l'élément conducteur respectif de la première section de câble (74). Les éléments conducteurs de la deuxième section de câble sont de préférence vrillés afin de former une configuration essentiellement ronde.

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