Mechanism for eliminating impurities from fibrous material, in p

Details Mechanism for eliminating impurities from fibrous material, in p Mechanism for eliminating impurities from fibrous material, in p

1980-10-02

1982-08-24

Rimrodt, Louis

Textiles: fiber preparation

Working

Fluid or special treatment

19105, 19107, 19204, 19205, 19304, D01G 912, D01G 908, D01G 916

Patent

active

043453562

ABSTRACT:
A mechanism for eliminating impurities from fibrous material, in particular cotton, having at least two card-clothed rolls (22, 23) arranged after a feed mechanism and a screening drum (3) to which said fibrous material is fed by means of an airstream. A housing closely encloses the two card-clothed rolls. Interposed in the housing are separating openings including separating edges. One of said two card-clothing rolls (23) cooperating with the other of the two card-clothed rolls has a take-off and loosener roll for the fibrous material and the centrifugal forces at the circumference of the second card-clothed roll (23) being greater than at the first card-clothed roll (22). A third card-clothed roll is positioned in carding relation with the first card-clothed roll. Another take-off and loosener roll (52) is positioned for removing fibers from the third card-clothed roll (5). A pair of fiber feed channels (24, 53) extend from the take-off rolls (23, 52) for conveying the fibers therefrom to the screening drum (3). The widths of the mouth of the channels (24, 53) are one-half of the width of the screen drum (3) so that each of the fiber conveying channels (24, 53) feed fiber material to one-half of the screening drum (3).

REFERENCES:
patent: 1368319 (1921-02-01), Bates
patent: 1478630 (1923-12-01), Bates
patent: 1953386 (1934-04-01), Bates
patent: 4135276 (1979-01-01), Handschuch et al.

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