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:
Apr. 14, 2026
Filed:
Mar. 11, 2022
Robert Bosch Gmbh, Stuttgart, DE;
Chris Nickels, Burgstetten-Erbstetten, DE;
Hendrik Jahnle, Leutenbach, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to a printhead () for a 3D printer comprising According to the invention, a pocket piece () is arranged on a lower sub-region () of a separate piston bushing (), wherein the pocket piece () has a centrally running bore () for receiving a piston needle () of the piston (), and the pocket piece () has concentrically arranged openings () which form a fluidic connection between a cavity () arranged in the piston bushing () and a melt chamber () arranged in a lower part () of the nozzle head (). The invention additionally relates to a method () for operating a printhead () according to the invention.