Pultrusion process for the manufacture of fiber reinforced...

H - Electricity – 01 – B

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H01B 5/10 (2006.01) B29B 15/12 (2006.01) B29B 15/14 (2006.01) B29C 70/52 (2006.01)

Patent

CA 2729113

The pultrusjon process for making the composite cere of an aluminum conductor composite core (ACCC) cable is improved by replacing the traditional wet-out step of dipping the fiber in a bath of liquid rcsm with a high-pressure spray wet-out step In a preferred process, the fiber is spread out into its constituent filaments, and the resin is sprayed onto the spread-out filaments using a high-pressui.epsilon. spray nozzle. The sprayed filaments arc then rebundled by passing them through a series ol pre-form plates before the rebundled fiber is passed through a die for firsdl shaping and cure

L'invention concerne un procédé de pultrusion pour fabriquer l'âme composite d'un câble conducteur aluminium à âme composite (ACCC), ce procédé étant amélioré grâce au remplacement de l'opération d'imprégnation traditionnelle par trempage de la fibre dans un bain de résine liquide par une opération d'imprégnation par pulvérisation haute pression. Dans un mode de réalisation préféré, la fibre est déployée en filaments constitutifs et la résine est pulvérisée sur ces filaments déployés au moyen d'un pulvérisateur haute pression. Les filaments ainsi pulvérisés sont ensuite rassemblés par passage à travers une série de plaques de préformage, puis la fibre rassemblée traverse une filière pour une première mise en forme et réticulation.

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