Patent ID: 7534278

Claim:
A granulator device ( 101 ) for the treatment of powdered products comprising at least one closed container ( 102 ) forming a chamber ( 103 ) for treatment of the products; filter means ( 104 , 105 ) projecting into the treatment chamber ( 103 ), the filter means ( 104 , 105 ) comprising at least one multi-layer filtering wall ( 105 ) through which at least one fluid current can pass; and powder removing means ( 106 , 107 , 108 , 109 , 110 ) designed to diffuse at least one service fluid directed towards at least the filtering wall ( 105 ); the device ( 101 ) being characterised in that the powder removing means ( 106 , 107 , 108 , 109 , 110 ) comprise at least first diffuser nozzles ( 107 ) and at least second diffuser nozzles ( 108 ) to diffuse the service fluid so as to free the filtering wall ( 105 ) of the powders trapped in it; there also being means ( 140 , 142 , 147 ) for supporting and driving the filter means ( 104 , 105 ) which can change the angle of the filter means ( 104 , 105 ) from a first operating position, in which at least the first nozzles ( 107 ) act on the filtering wall ( 105 ), to a second operating position in which the filter means ( 104 ) are set at an angle to the first operating position to allow at least the second diffuser nozzles ( 108 ) to operate on the filtering wall ( 105 ).