Distributing device for powder materials
AssigneeSystem Ceramics S.P.A.
InventorIVAN GHIRELLI
Life of this patent
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Abstract
Dispensing device for granular or powdered materials, comprising: a dispensing channel (2a), provided with a longitudinal axis (X), an inlet opening (21) and an outlet opening (22); suction means, arranged to retain, on command, at least a portion of granular or powdered material in contact with an inner surface of the dispensing channel (2a), so as to form an accumulation which obstructs the dispensing channel (2a) and prevents the flow of material.
Claims22
A dispensing device for granular or powdered materials, comprising a dispensing channel (2a), provided with a longitudinal axis (X) , an inlet opening (21) and an outlet opening (22), characterized in that it comprises suction means, arranged to retain, on command, at least a portion of granular or powdered material inside the dispensing channel (2a), so as to form an accumulation which obstructs the dispensing channel (2a) and prevents the flow of material.
A method for dispensing a granular or powdered material in a controlled manner, comprising the following steps:
- feeding the material to a dispensing channel (2a);
- to stop the dispensing, attracting and retaining by means of a negative pressure at least a portion of the material in contact with a wall of the dispensing channel (2a);
- to restore the dispensing, releasing the material from the wall of the dispensing channel (2a).
Dependencies are inferred from the claim text.