D - Textiles – Paper – 21 – B
Patent
D - Textiles, Paper
21
B
241/127, 92/52
D21B 1/32 (2006.01) D21B 1/30 (2006.01)
Patent
CA 1178567
Abstract An apparatus for fiberizing and screening of fibrous material, which comprises of a rotating drum (1) the drum wall (2) of which consists of a non-perforated (7) and a perforated (8) part. The non-perforated part in the inlet end of the drum is separated from the perforated part in the outlet end of the drum by means of a partition wall (9) having an opening (10). The height (h) of the partition wall varies so that a periodical overflow is achieved when the drum rotates.
399074
Ahlstrom (a.) Osakeyhtio
Gowling Lafleur Henderson Llp
LandOfFree
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