Apparatus for making a sheet molding compound

Details Apparatus for making a sheet molding compound Apparatus for making a sheet molding compound

1975-01-20

1976-07-13

Whitby, Edward G.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

156202, 156459, 156486, 156543, 242 671R, B65H 2704

Patent

active

039691780

ABSTRACT:
An apparatus for making a sheet molding compound. A thickened uncured thermosetting resin mix is supplied as a thin coating to a sheet of plastic film and chopped fibers are deposited on the resin film to provide a composite laminate. The side edges of the plastic film are then folded inwardly in a double fold and the laminate is wound in coiled form. Kneading rolls having ribbed surfaces ride against the coiled laminate to provide a thorough impregnation of the resin and fibers.

REFERENCES:
patent: 1944835 (1954-01-01), Boyers
patent: 2876039 (1959-03-01), Vogdt
patent: 3012603 (1961-12-01), Newsome et al.
patent: 3294060 (1966-12-01), McIntyre et al.
patent: 3654894 (1972-04-01), Rohrbacker et al.
patent: 3659553 (1972-05-01), Tobias
patent: 3734814 (1973-05-01), Davis et al.
patent: 3861982 (1975-01-01), Wilson et al.

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