Patent ID: 7066187
Filing Date: 2006-06-27
Classification: B08B,B65G,C23G

Abstract:
1. A machine for treating bulk material of industrial volume parts comprising: a treatment drum which is arranged with a substantially horizontal axis and adapted to be driven in both directions of rotation around said axis, the treatment drum comprising a permanently open co-axial inlet aperture, a permanently open co-axial discharge aperture, and a set of worm-like inner blades which extend at least as far as the discharge aperture and which, in the first direction of rotation of the treatment drum, reposition the bulk material in the drum and, in the second direction of rotation of the treatment drum, convey the bulk material through the discharge aperture, wherein the treatment drum widens from a filling end and from a discharge end towards an intermediate plane respectively, wherein the set of inner blades extends approximately from the intermediate plane to the discharge aperture, wherein the discharge aperture is followed by a discharge sleeve and wherein the inlet aperture is greater than an outer diameter of the discharge sleeve.