Method and apparatus for stabilizing material physical...

B - Operations – Transporting – 29 – B

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B29B 17/00 (2006.01) B01F 5/10 (2006.01) B29B 9/16 (2006.01) B29B 17/04 (2006.01)

Patent

CA 2459283

A method for stabilizing material physical properties of recyclable bumpers comprising the steps of: separating coating from raw material obtained by cleaning, fracturing and drying recyclable bumpers, to thereby make a recycled matrix; mixing an additive with the recycled matrix; melting and extruding the mixed matrix with an extrusion machine; cutting the molten and extruded matrix to produce pellets; introducing the pellets into a tank of a predetermined capacity; and mixing the pellets in the tank for a predetermined period of time while delivering the pellets in the tank to an introduction opening of the tank again for reintroduction into the tank in parallel with the pellets that are newly introduced.

L'invention concerne un procédé de stabilisation des propriétés physiques matérielles de pare-chocs recyclables, qui comprend les étapes suivantes: dissociation entre le revêtement et les matériaux de base, par nettoyage, rupture et séchage des pare-chocs, donnant une matrice recyclable; adjonction d'un additif à cette matrice; fusion et extrusion de la matrice mélangée à l'additif dans une extrudeuse; découpe de la matrice fondue et extrudée pour donner des boulettes; injection des boulettes dans un réservoir de capacité préétablie; puis brassage des boulettes dans le réservoir pendant une durée préétablie et, simultanément, réinsertion des boulettes dans le réservoir par une ouverture, parallèlement à l'introduction de nouvelles boulettes.

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