Plastic and nonmetallic article shaping or treating: processes – With twining – plying – braiding – or textile fabric formation
Patent
1984-06-14
1986-04-22
Czaja, Donald
Plastic and nonmetallic article shaping or treating: processes
With twining, plying, braiding, or textile fabric formation
139 35, 139291R, 264136, 264257, B29H 902
Patent
active
045841527
ABSTRACT:
Fiber reinforced plastic products are produced in such a way that there is uniform resin dispersion throughout the product. Fabric is woven on a loom, and the reed dents of the loom are varied from the center to the edges of the fabric so that when the strain in the wrap and weft yarns is released once the fabric is removed from the loom, the fabric has uniform porosity. After removal of the fabric from the loom it is impregnated with a resin, such as epoxy, phenolic, or polyester resins, dried, formed into a desired product shape (as by molding), and the resin is cured. The loom reed utilized to produce the fabric has parallel frame portions with parallel reed wires extending between the frame portions with the dent size larger at edge sections of the reed than at intermediate sections, and with the dent size at intermediate sections larger than the dent size at a central section.
REFERENCES:
patent: 1122448 (1914-12-01), Walsh
patent: 1910946 (1933-05-01), Bonnin
patent: 2672163 (1954-03-01), Walters
patent: 2988801 (1961-06-01), Heiss
patent: 3143149 (1964-08-01), Stoudenmire
patent: 3900050 (1975-08-01), Strauss
patent: 4113907 (1978-09-01), Haage et al.
Burlington Industries Inc.
Czaja Donald
Fischbach V.
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