Filament separation in liquids

Details Filament separation in liquids Filament separation in liquids

B - Operations, Transporting

29

B

18/1211

B29B 15/08 (2006.01) B01F 5/06 (2006.01) B29C 47/00 (2006.01) B29C 47/36 (2006.01)

Patent

CA 1315941

ABSTRACT A method of separating filaments from a clump thereof in a liquid flow from each other comprises sub-dividing the flow across its lateral extent to pass through an array of a plurality of filament separating channels having a cross-section at least large enough to accommodate the cross section of the clumps such that flow along the channels imparts a shearing force to filaments at the edge of the flow in the channel to separate these axially from each other and from filaments at the centre of the clump. The liquid may be a polymer melt obtained by melting polymer granules containing lengths of yarn or tow and the method used to separate the individual filaments from the yarn or tow prior to forming a network structure from the filaments .

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