Patent ID: 11931753
Assignee: ROBERT BOSCH GMBH
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  Y | IPC B

Claim 0:
1. A printhead (1) for a 3D metal printer comprising a housing (3), a device (28) for supplying a metal (14), a reservoir (7, 27), a nozzle device (2) and a piston (5), characterized in that the nozzle device (2) has a guide sleeve (11), a nozzle plate (9) having an outlet opening (10), and a clamping device (4), wherein the clamping device (4) includes a nozzle clamping nut (50) and a separate spring element (40), and the nozzle clamping nut (50) includes a fastening means (52) for fastening the nozzle clamping nut (50) on the guide sleeve (11) and at least one elastic segment (51), the nozzle plate (9) and the guide sleeve (11) are clamped together elastically by the clamping device (4), and the guide sleeve (11) and the reservoir (7, 27) are clamped together elastically by the clamping device (4).