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. 21, 2023
Filed:
Oct. 17, 2018
Robert Bosch Gmbh, Stuttgart, DE;
Hendrik Jahnle, Leutenbach, DE;
Norman Lung, Weinstadt, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to a print head () for a 3D printer (), comprising a feed section () having a feeder () for a starting material () that is variable in the viscosity thereof; a plasticizing zone () having a heater () and an outlet opening () for the liquid phase () of the starting material (); and a conveying device () for conveying the starting material () from the feed section () to the plasticizing zone (), wherein the conveying device () comprises a piston () that can be inserted into the feed section (). The invention is characterized in that the piston () has a first piston portion () facing the plasticizing zone () and having a guide surface (), through which the piston () is guided in a bore () of the print head ().