Resin-impregnation of fibres

Details Resin-impregnation of fibres Resin-impregnation of fibres

B - Operations, Transporting

29

C

B29C 47/12 (2006.01) B01J 19/10 (2006.01) B29B 15/12 (2006.01) B29C 47/10 (2006.01) B29C 47/36 (2006.01) B29C 70/52 (2006.01) B29C 35/02 (2006.01)

Patent

CA 2068691

T 4844 FF ABSTRACT RESIN-IMPREGNATION OF FIBRES Two co-reactive resin stream are mixed immediately adjacent the entrance (54) of an impregnation die (52) used to make products by the pultrusion process. The mixing occurs immediately adjacent the fibers as they are pulled into the central duct opening (58) of the die. The resin streams are delivered to the entrance of the impregnation die by use of a resin feed head (72) positioned at the inlet of the impregnation die. An ultrasonic driver (116) coupled to the resin feed head vibrates and agitates the resin streams impinging the fibers so as to thoroughly wet the fiber bundle prior to its passage through the die. PS24009

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