Device for cleaning flock formed by natural fibers, especially c

Details Device for cleaning flock formed by natural fibers, especially c Device for cleaning flock formed by natural fibers, especially c

1975-06-11

1977-08-09

Newton, Dorsey

Classifying, separating, and assorting solids

Plural, diverse separating operations

Gaseous suspension and sifting

19200, 209250, 209293, B07B 900

Patent

active

040409481

ABSTRACT:
This disclosure relates to apparatus for cleaning natural fibers of their contaminants by passing the same through a pair of rotary drum sieves each having a porous peripheral surface subject to a vacuum whereby natural fibers adhere to the porous peripheral surfaces and contaminants are drawn therethrough, the drum sieves being disposed with portions of their peripheral surfaces defining a throat through which the fibers pass, and means contiguous the throat for cutting off the vacuum effect of the first drum sieve whereby the fibers are transferred from the first drum peripheral surface to that of the second drum.

REFERENCES:
patent: 41487 (1864-02-01), Craven
patent: 1509359 (1924-09-01), Lawson
patent: 2810163 (1957-10-01), Kyame et al.
patent: 2835047 (1958-05-01), Fleissner et al.
patent: 2996808 (1961-08-01), Fleissner
patent: 3196555 (1965-07-01), Friedel et al.
patent: 3413727 (1968-12-01), Fleissner
patent: 3686903 (1972-08-01), Fleissner
patent: 3818607 (1974-06-01), Fleissner

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