Means for the production of composite products used for the...

B - Operations – Transporting – 29 – C

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B29C 47/00 (2006.01) B27N 3/28 (2006.01) B29C 47/08 (2006.01) B29C 47/10 (2006.01) B29C 47/50 (2006.01)

Patent

CA 2183725

This invention pertains to mechanical engineering and specifically to the manufacture of formed sections of wood and polymer composite material. It consists of an apparatus for producing extruded wood and plastic products. It features a mixer comprising two tanks and two screws, a filling screw, a forcing hopper, a double-screw extruder, a single-screw extruder, a die, a cooling trough, a track and a cutter. The invention also concerns a process for producing composite products using the apparatus in question. The composite products produced using the invention form part of the invention.

La présente invention se rapporte au domaine de la mécanique et plus particulièrement à la fabrication de profilés en matériaux composites formés de bois et de polymères. Elle a plus précisément pour objet un dispositif de production pour les mélanges de bois et de matières plastiques par mélange et extrusion de la masse caractérisé en ce qu'il est constitué d'un mélangeur comportant deux cuves et deux vis, d'une vis de remplissage, d'une trémie forceuse, d'une extrudeuse bis vis, d'une extrudeuse mono vis, ainsi que d'une filière, d'un bac de refroidissement, d'une chenille et d'un dispositif de découpe. L'invention concerne aussi un procédé de production des produits composites à l'aide du dispositif selon l'invention. Les produits composites obtenus dans le procédé selon l'invention.

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