Method and apparatus for manufacturing fibre-reinforcing materia

Details Method and apparatus for manufacturing fibre-reinforcing materia Method and apparatus for manufacturing fibre-reinforcing materia

1990-04-25

1992-04-28

Lusignan, Michael

Coating processes

With post-treatment of coating or coating material

Heating or drying

4273899, 4274345, 4273981, B05D 302

Patent

active

051087979

ABSTRACT:
A method is disclosed for impregnating fibre bundles with molten or liquid resin (24, 29) in manufacturing a fibre-reinforced material, which material comprises fibre bundle or bundled groups of fibres, wherein each fibre is surrounded by matrix resin, by impregnating a continuous web (10, 10a) of one or more fibre bundles with molten or liquid resin (24, 29) and solidifying said resin by cooling or chemical reaction. Before said impregnation the molten or liquid resin material (29) is made subject to shear forces by bringing it to flow between two closely nearby surfaces (26, 27) which are in moving relationship into each other.

REFERENCES:
patent: 2611717 (1952-09-01), Sooy et al.
patent: 3941901 (1976-03-01), Harsch
patent: 3941902 (1976-03-01), Wennerblom et al.
patent: 4804509 (1989-02-01), Angell, Jr.
patent: 4828779 (1989-05-01), Hiraki et al.
patent: 5002712 (1991-03-01), Goldmann et al.
Textbook of Polymer Science, p. 497 F. Billmeyer, Jr., 1971

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