Ink jet head for emission of ceramic enamel
AssigneeSystem Ceramics S.P.A.
InventorsMohamed Ouassif, Franco Stefani
Life of this patent
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Abstract
An ink jet head, comprising: a dispensing unit (2), provided with: a main circulation conduit (21) for circulating a ceramic enamel; two or more nozzles (3), placed in communication with the main conduit (21) and distributed along a main direction (X); at least one shutter (4), activatable to close or free said nozzles (3); at least one actuator (5), arranged to activate the shutter (4); wherein the shutter (4) is movable between at least one closing configuration, in which it is capable of closing all the nozzles (3), and at least one opening configuration, in which it frees at least one nozzle (3) to allow the emission of ceramic enamel.
Claims7
An ink jet head, comprising:
- a dispensing unit (2), provided with:
- a main circulation conduit (21) for circulating a ceramic enamel;
- two or more nozzles (3), placed in communication with the main conduit (21) and distributed along a main direction (X);
- a shutter (4), activatable to close or free said nozzles (3);
- an actuator (5), arranged to activate the shutter (4);
- wherein the shutter (4) is movable between at least one closing configuration, in which it is capable of closing all the nozzles (3), and at least one opening configuration, in which it frees at least one nozzle (3) to allow the emission of ceramic enamel;
- wherein the shutter (4) comprises a main body (41), made of elastomeric material, to which two or more magnetic elements (42) are associated, mutually spaced apart and wherein the actuator (5) comprises two or more solenoids (51), each of which is active on a respective magnetic element (42);
- and
- a ferromagnetic element (43), placed in contact with said two or more magnetic elements (42).
Dependencies are inferred from the claim text.