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:
Sep. 28, 2021
Filed:
Feb. 27, 2018
Covestro Deutschland Ag, Leverkusen, DE;
Dirk Achten, Leverkusen, DE;
Thomas Büsgen, Leverkusen, DE;
Levent Akbas, Witten, DE;
Nicolas Degiorgio, Krefeld, DE;
Jonas Künzel, Leverkusen, DE;
Covestro Deutschland AG, Leverkusen, DE;
Abstract
The invention relates to a print head () for an additive fused deposition modelling method having a thermoplastic construction material, comprising:—at least one inlet () for receiving a construction material () into the print head;—at least one melt region, for melting the construction material (), which is arranged downstream of the inlet () and is fluidically connected, at least temporarily, to the inlet (); and—at least one first outlet () that is fluidically connected, at least temporarily, to the melt region (), for discharging melted construction material () out of the melt region () at a first discharge rate; wherein—the print head () also comprises at least one second outlet () that is fluidically connected, at least temporarily, to the melt region () for discharging melted or non-melted construction material () out of the melt region () at a second discharge rate; and—the first discharge rate can be influenced by a first discharge rate influencing device () for the melted construction material ().