B - Operations – Transporting – 29 – B
Patent
B - Operations, Transporting
29
B
B29B 15/10 (2006.01) B05C 19/02 (2006.01) B05D 1/24 (2006.01) C03C 25/14 (2006.01) D06M 10/00 (2006.01) D06M 10/02 (2006.01) D06M 23/08 (2006.01) D06N 3/00 (2006.01)
Patent
CA 2316250
The invention relates to a method for coating fibers shaped as fiber strands (rovings and mats) using a fluidized bed technique, wherein (i) the desired composition of the individual coating constituents is directly applied from the fluidized bed without previous compounding and (ii) the individual coating constituents contained in the fluidized bed are additionally mixed in the mass so that dissociation of individual constituents is substantially avoided. The invention also relates to a device for implementing the method.
L'invention concerne un procédé d'enduction de fibres sous forme d'écheveaux (mèches discontinues ou mats) selon la technique du lit fluidisé. Selon ce procédé, (i) on dépose les constituants individuels du matériau d'enduction, dans la composition souhaitée, sans mélange préalable, directement du lit fluidisé sur la fibre, et (ii) on mélange en outre les constituants individuels du matériau d'enduction, se trouvant dans le lit fluidisé, dans des proportions telles qu'une dissociation des constituants individuels du mélange soit pratiquement impossible. L'invention concerne également un dispositif pour mettre en oeuvre ledit procédé.
Blake Cassels & Graydon Llp
Neopreg Ag
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