B - Operations – Transporting – 07 – B
Patent
B - Operations, Transporting
07
B
B07B 1/12 (2006.01) B07B 1/46 (2006.01) B29B 17/02 (2006.01)
Patent
CA 2335611
A method for separating non-fibrous particulates from fibers. A pulverized mixture of non-fibrous particulates and fibers is introduced into a separation zone (24) containing a plurality of revolving spiked cylinders (30). Revolving spikes of the respective revolving spiked cylinders contact and separate fibers from the pulverized mixture to produce non-fibrous particulates. The separated fibers have residual non-fibrous particulates which may be removed by the revolving spikes of one revolving spiked cylinders throwing or impelling the separated fibers against and into the revolving spikes of a contiguous revolving spiked cylinder. When the separated fibers impact the spikes of the contiguous revolving spiked cylinder, residual non-fibrous particulates loosen and separate from the removed fibers. The produced non- fibrous particulates have residual polyester fibers which may be removed and reclaimed.
L'invention concerne un procédé visant à séparer des particules non fibreuses et des fibres. Un mélange pulvérisé de particules non fibreuses et de fibres est injecté dans une zone de séparation (24) comportant plusieurs cylindres (30) à pointes tournantes. Les pointes des différents cylindres en question viennent au contact des fibres, qu'elles séparent du mélange pulvérisé pour livrer les particules non fibreuses. Les fibres séparées renferment des particules non fibreuses résiduelles susceptibles d'être éliminées par les pointes tournantes d'un cylindre comme suit: on jette ou on pousse les fibres séparées contre et entre les pointes tournantes d'un cylindre contigu, moyennant quoi les particules non fibreuses résiduelles se détachent et se séparent des fibres séparées arrivant au contact desdites pointes tournantes. Les particules non fibreuses résultantes présentent des fibres en polyester résiduelles qui peuvent être extraites et recyclées.
Borden Ladner Gervais Llp
The United States Of America As Represented By The Secretary Of Agricul Ture
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