E - Fixed Constructions – 01 – C
Patent
E - Fixed Constructions
01
C
E01C 19/10 (2006.01) B01F 7/20 (2006.01) E01C 23/06 (2006.01)
Patent
CA 2621771
Apparatus is disclosed for preparing a hot mix, comprising aggregate and bitumen, for repairing pot holes in roads. A vessel (16) is mounted, vertically disposed, on a vehicle (10) and comprises a mixing chamber (42) in which the aggregate and bitumen are mixed by a paddle assembly (50) mounted on a shaft (60) that rotates about a vertical axis (X). The shaft is mounted in bearing assemblies (64, 72) located at the top and bottom of the mixing chamber. The shaft is able to slide vertically in the upper bearing assembly (72) to cope with thermal expansion as the vessel is heated during the mixing. The vessel has a manhole (120) at its upper end (36) through which the aggregate and lumps of bitumen, at ambient temperature and hi solid form, can be loaded into the mixing chamber. The aggregate is loaded first and heated to expel moisture before the bitumen is loaded. The vessel can be tilted to discharge the hot mix through a second manhole (122) located adjacent the bottom of the mixing chamber.
L~invention concerne un appareil pour élaboration d~un enrobé à chaud, comprenant un agrégat et du bitume, afin de réparer les nids de poule dans les routes. Une cuve (16) est montée, disposée verticalement, sur un véhicule (10) et comprend une chambre de mélange (42) dans laquelle l~agrégat et le bitume sont mélangés par un ensemble à palettes (50) monté sur un arbre (60) tournant autour d~un axe vertical (X). L~arbre est monté sur des ensembles de paliers (64, 72) situés au sommet et au fond de la chambre de mélange. L~arbre est capable de coulisser verticalement dans l~ensemble de palier supérieur (72) pour gérer la dilatation thermique pendant le chauffage de la cuve pendant le mélange. La cuve possède un trou d~homme (120) en son extrémité supérieure (36) à travers laquelle l~agrégat et des blocs de bitume, à la température ambiante et sous forme hautement solide, peuvent être chargés dans la chambre de mélange. On charge l~agrégat en premier et on le chauffe pour évacuer l~humidité avant le chargement du bitume. La cuve peut être inclinée pour décharger l~enrobé à chaud à travers un second trou d'homme (122) adjacent au fond de la chambre de mélange.
Ridout & Maybee Llp
Trimborn Herbert Johann
LandOfFree
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