Method and apparatus for the in-line impregnation of fibers...

D - Textiles – Paper – 01 – F

Patent

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D01F 11/02 (2006.01) B05C 1/08 (2006.01) C03C 25/14 (2006.01) C03C 25/20 (2006.01) C03C 25/36 (2006.01)

Patent

CA 2196580

A method and apparatus (10) is disclosed for the in-line pre-impregnation of glass or synthetic fibers (14, 44) with a non-aqueous chemical treatment. The apparatus includes a first applicator (22) for applying a curable, non-aqueous chemical treatment agent and a second applicator (24) for applying a curing agent for the chemical treatment agent. The fibers are passed over the first and second applicators which are arranged either in parallel or in series, and are then joined by a gathering device (30) to initiate curing of the chemical treatment agent on the fibers. In an alternative embodiment, the apparatus comprises a spray gun (58) in which a mixture of the non-aqueous chemical treatment agent and curing agent are sprayed onto an applicator roll (60) in contact with the fibers.

L'invention présente un appareil (10) pour la pré-imprégnation en ligne de fibres de verre ou de fibres synthétiques (14, 44) au moyen d'un traitement chimique non aqueux. L'appareil comprend un premier applicateur (22) pour l'application d'un agent polymérisable de traitement chimique non aqueux et un second applicateur (24) pour l'application d'un agent de polymérisation pour l'agent de traitement chimique. Les fibres doivent passer au-dessus du premier et du deuxième applicateur qui sont disposés soit en parallèle, soit en série, et elles sont réunies au moyen d'un dispositif d'assemblage (30) pour amorcer la polymérisation de l'agent de traitement chimique sur les fibres. Dans un mode de réalisation différent, l'appareil comprend un pistolet pulvérisateur (58) dans lequel un mélange d'agent de traitement chimique non aqueux et d'agent de polymérisation est pulvérisé sur un rouleau applicateur (60) en contact avec les fibres.

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