Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1993-01-04
1995-09-05
Ryan, Patrick J.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
425110, 425112, 118110, 118111, 118116, 118117, 118118, 118122, 118125, 118419, 118420, B05D 118
Patent
active
054477930
ABSTRACT:
This invention relates to fiber reinforced composite materials, and to methods and apparatus for forming such materials. The apparatus includes an impregnation chamber having an elongate impregnation passageway with an entrance end and an exit end, means for supplying a polymer material to said impregnation chamber, and means for advancing continuous filament fibers into and through said impregnation chamber, entering through said entrance end and exiting through said exit end, so that the polymer material is immersed in said polymer material. Shear inducing means is mounted in said impregnation chamber and cooperates with said fibers for imparting shear to the polymer material as it contacts the advancing fibers to enhance the wetting and impregnation of the fibers by the polymer material.
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Patent Abstracts of Japan, Abstract of JP 1-16612 entitled "Manufacture of Continuous FRTP Prepreg and its Device", vol. 13, No. 193 (M-822), Jan. 20, 1989.
Ryan Patrick J.
Weisberger Richard P.
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