Method and apparatus for producing a continuous web

Details Method and apparatus for producing a continuous web Method and apparatus for producing a continuous web

D - Textiles, Paper

04

H

19/2

D04H 1/72 (2006.01) B07B 7/086 (2006.01) B07B 9/00 (2006.01) B27N 3/04 (2006.01) B27N 3/14 (2006.01)

Patent

CA 1264518

METHOD AND APPARATUS FOR PRODUCING A CONTINUOUS WEB Abstract of the Disclosure A method and apparatus for producing a continuous web of material (36) on an endless belt (24). Fibers suspended in a carrier gas are transported from a transport conduit (12) through a transition part (38) of zig-zag configuration, having cross-section which tapers or narrows in the flow direction. Arranged at the outlet aperture of the transition part is a coarse-particle separator means (22) which incorporates a curved, convex surface (60), an accept outlet (48), and a reject outlet (54). The carrier gas is deflected around the convex surface, as a result of the ensuing Coanda Effect, and transports acceptable fine fibers to the accept outlet (48), while coarse reject particles, due to their greater kinetic energy, pass in a straighter path to the reject outlet (54). The accept outlet leads directly to a distribution chamber (52) which is located above the endless belt (24), and opposite which there is provided a suction box (32) for extraction of the carrier gas.

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