Method and apparatus for manufacturing curved bodies of...

Details Method and apparatus for manufacturing curved bodies of... Method and apparatus for manufacturing curved bodies of...

B - Operations, Transporting

32

B

154/27, 154/81

B32B 17/04 (2006.01) B29C 41/36 (2006.01) B29C 70/30 (2006.01) B29C 70/34 (2006.01) B29C 70/54 (2006.01) D04H 3/07 (2006.01) D04H 3/16 (2006.01)

Patent

CA 1078719

ABSTRACT OF THE DISCLOSURE Manufacturing a curved fiber reinforced body of plastic material by cutting plastic impregnated fibers with a cutter, directing the cut fibers onto a rotating form and applying a plastic material to the fibers. The fibers are deposited in predetermined radial and circumferential directions to build up a preform of overlapping layers of oriented fibers as the form is rotated. The preform is shaped by compression between mating shaping forms to substantially the final molded shape. The plastic material contains a curative and is partially cured under controlled conditions after the preform is built. The preform is then preheated in an oven and molded under predetermined pressures and temperatures.

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