The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 06, 2024
Filed:
Oct. 15, 2018
Robert Bosch Gmbh, Stuttgart, DE;
Benjamin Schaeuffele, Vaihingen/Enz, DE;
Benjamin Schweizer, Horb, DE;
Eberhard Maier, Koengen, DE;
Viktor Friedrich, Sersheim, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to a piston () for a printhead () of a 3D printer, particularly a metal printer, comprising a piston rod () and a ram (), the ram () having a discharge side () that has a convex or tapering surface (). The invention also relates to a printhead () for a 3D printer, particularly a metal printer, comprising a housing (), a device () for supplying a metal (), a reservoir () for a liquid phase () of the metal (), a nozzle device () comprising a guide sleeve () and a nozzle plate (), and a piston () according to one of the preceding claims, the ram (), the guide sleeve () and the nozzle plate () forming a displacement chamber (), and the ram () and the guide sleeve () forming at least one area () for conducting the liquid phase () between the reservoir () and the displacement chamber ().