Patent ID: 8695855
Filing Date: 2014-04-15
Classification: G01F

Abstract:
1. A unit for dispensing a dosage material of a powdery or granular consistency, comprising: a housing having at least one reservoir cavity formed therein for receiving the dosage material; at least one dispensing head, comprising an elastomeric material, each dispensing head having an outlet orifice that is closed in a slit-shape in its non-deformed state and is opened to a variable width through application of a lateral compressive force, the outlet orifice delimited by first and second outlet lips; and means for imparting lateral oscillatory movement to the first outlet lip relative to, and in a lengthwise direction of, the second outlet lip, the means for imparting lateral oscillatory movement also arranged to impart superimposed secondary oscillatory movement that is orthogonal to the lengthwise direction and to the closing direction of the outlet lips.