B - Operations – Transporting – 03 – C
Patent
B - Operations, Transporting
03
C
B03C 7/00 (2006.01) B02C 7/12 (2006.01) B29B 17/02 (2006.01) H02N 1/00 (2006.01) H02N 1/04 (2006.01)
Patent
CA 2106842
A mixture of particles of plastic materials having different work functions is fed through a rotating tube. The tube rotates about an axis which is inclined slightly to the horizontal. The tube is of plastic or metallic material, preferably having a rib for stirring the mixture. As the particles pass progressively down the length of the tube, the triboelectrically induced charge progressively increases, whereby the particles are highly charged upon emerging from the tube. The tube may be made of the same material as a minority component of the mixture to bring up the level of the charge on the majority component.
Brown James D.
Castle G.s. Peter
Inculet Ion I.
Borden Ladner Gervais Llp
Brown James D.
Castle G.s. Peter
Inculet Ion I.
University Of Western Ontario (the)
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