Method and apparatus for the sorting out of plastic foils from a

Details Method and apparatus for the sorting out of plastic foils from a Method and apparatus for the sorting out of plastic foils from a

1981-10-19

1984-03-27

Reeves, Robert B.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Separating means

209688, 209930, B07C 534

Patent

active

044388519

ABSTRACT:
Method and apparatus for the sorting out of plastic foil from a mixture of refuse previously divested of heavy materials such as stone, glass and iron. The mixture is conducted in a thin layer, using moderate feeding power, past pointed spines on a reel, by a broom or brush, so that components with high tensile strength remain hanging on the spines, while components with low tensile strength, such as paper, or components not impaled, such as leather, cardboard, wood and thick-walled plastic, are further conveyed by the broom or brush. One or more brush rollers, preferably armed with strips or brushes transverse to the direction of conveying, sweep the mixture of refuse across one or more spiked rollers studded with spines. Combing-off rollers may be used, rotating at higher velocity and in opposite direction to the spiked rollers, to loosen impaled foils from the spines.

REFERENCES:
patent: 202761 (1878-04-01), Shamberfer et al.
patent: 790171 (1905-05-01), Bechtel
patent: 2778286 (1957-01-01), Walker
patent: 2888860 (1959-06-01), Baumgartner
patent: 3024903 (1962-03-01), Jamal
patent: 4207986 (1980-06-01), Cerroni

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