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:
Mar. 25, 2025
Filed:
Dec. 06, 2019
Robert Bosch Gmbh, Stuttgart, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to a print head () for additively manufacturing three-dimensional workpieces, comprising a housing (), a device () for feeding a metal (), a piston (), a reservoir () with an outlet opening () and an actuator device () for displacing the piston (), wherein the reservoir () has a melt region () and a displacement body chamber () for a liquid phase () of the metal (), wherein the melt region () adjoins the inert atmosphere () and is connected to the displacement body chamber () such that, as a result of the displacement of the piston (), the liquid phase () of the metal () can be stimulated to pass through the outlet opening (), said outlet opening () being mounted on an insert () of the print head (). The invention is characterised in that the print head () comprises a device () for feeding a protective gas () to the outlet opening () of the print head (). The invention also relates to a device () for additively manufacturing three-dimensional workpieces and to a method for operating a print head ().