Sheet molding compound

Details Sheet molding compound Sheet molding compound

1975-01-20

1976-09-07

Ansher, Harold

Stock material or miscellaneous articles

Structurally defined web or sheet

Fold at edge

428130, 428192, 428906, B32B 304

Patent

active

039795390

ABSTRACT:
A method and 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: 2203822 (1940-06-01), Hyman
patent: 3012603 (1961-12-01), Newsome et al.
patent: 3255875 (1966-06-01), Tiernay

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