Patent ID: 6491070
Filing Date: 2002-12-10
Classification: B01D,B28C,B65G

Abstract:
Device for capturing dust in loading of concrete mixer trucks structured to be located and conveniently correspond to a loading mouthpiece of a rear part of a tank of a concrete mixer truck, the device comprising:a receptacle coupled to a bottom end of an inlet duct through which concrete and aggregates enter into the tank of the concrete mixer; said receptacle having a gap in one of its walls on which the rear part of the tank of the mixer truck is adapted, and a first outlet duct for capturing the dust originated during feeding of the concrete from the inlet duct into the tank; and a vacuum head located inside of the receptacle, having a frusto-conical body with a great base and a small base; the great base defining a mouth for coupling to the loading mouthpiece of the tank of the concrete mixer, while the small base comprising an aspirator leading to a second outlet duct; the first and second outlet ducts being connected to a common collector.