Method for the production of a composite product by moulding

Details Method for the production of a composite product by moulding Method for the production of a composite product by moulding

1993-01-29

1995-03-07

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Coating or impregnating workpiece before molding or shaping...

264137, 264143, 264319, 2643282, 264DIG53, 65450, 65451, B29C 6714

Patent

active

053955749

ABSTRACT:
A method of moulding, notably injection or compression moulding, of a composite product from an impregnation paste based upon thermosetting resin or resins and a reinforcement of glass threads, by supplying the moulds with an impregnation paste and reinforcement in the form of coated chopped direct rovings incorporated into the paste, the coating material of which includes an adhesive agent based upon polyurethane or polyurethanes.

REFERENCES:
patent: 3823219 (1974-07-01), Ward, Jr. et al.
patent: 4382991 (1983-05-01), Pollman
patent: 4488686 (1984-12-01), Reese
patent: 4536446 (1985-08-01), Hsu et al.
patent: 4615946 (1986-10-01), Temple
patent: 4637956 (1987-01-01), Das et al.
patent: 4806298 (1989-02-01), Wilkinson et al.
patent: 4990549 (1991-02-01), Delvin et al.
patent: 5242958 (1993-09-01), Klett

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