Molding process of fiber reinforced plastics

Details Molding process of fiber reinforced plastics Molding process of fiber reinforced plastics

B - Operations, Transporting

29

C

18/689

B29C 70/46 (2006.01) B29C 43/36 (2006.01) B29C 43/40 (2006.01) B29C 45/14 (2006.01)

Patent

CA 1289318

ABSTRACTS A molding process of fiber reinforced plastics which comprises: placing fiber reinforcements on a half of a mold which has positive pinch-off edges; positioning the mold halves near to each other to grasp the fibers between the pinch-off edges: injecting a resin into a mold cavity through a resin injection opening provided in the mold; and closing the mold This process permits the use of low viscosity resins without the escape of the resin from the mold during the impregnation of fiber reinforcements in the mold cavity, so that the process can readily produce in practical manners fiber reinforced plastics with high fiber contents as much as about 50-80 % by weight that have not been achieved by the conventional resin injection and mat or preform matched die molding processes.

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