Patent ID: 11964434
Assignee: VOXELJET AG
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 12:
13. A closure device
wherein the closure device is in a coater device having a single discharge opening characterized by a discharge gap, and the coater is in a 3D printing device;
the closure device comprising
a closure means, wherein the closure means is controllable and can be opened by a control means, wherein the control means includes an eccentric and/or a slotted link, wherein the closure means closes the discharge opening of the coater device to prevent outflow of a particulate material and opens the discharge opening of the coater device to allow outflow of the particulate material;
wherein the discharge opening is at an end of the coater device, directly before a construction space;
wherein the closure device comprises a vertically adjustable orifice plate, wherein the orifice plate controls the size of the discharge gap.