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:
May. 18, 2021
Filed:
Feb. 26, 2018
Signify Holding B.v., Eindhoven, NL;
Rifat Ata Mustafa Hikmet, Eindhoven, NL;
Paulus Albertus Van Hal, Waalre, NL;
SIGNIFY HOLDING B.V., Eindhoven, NL;
Abstract
The invention provides a method for manufacturing a 3D item () by means of 3D printing. The method comprises the step of depositing, during a printing stage, 3D printable material () to provide 3D printed material (), wherein the 3D printable material () comprises a core-shell filament () comprising (i) a core () comprising a core material () having one or more of a core glass temperature Tg1 and a core melting temperature Tm1 and (ii) a shell () comprising a shell material () having one or more of a shell glass temperature Tg2 and a shell melting temperature Tm2, wherein one or more of the shell glass temperature Tg2 and the shell melting temperature Tm2 is lower than one or more of the core glass temperature Tg1 and the core melting temperature Tm1. The method further comprises the step of heating, during a finishing stage, the 3D printed material () to a temperature equal to or higher than one or more of the shell glass temperature Tg2 and the shell melting temperature Tm2, and equal to or lower than one or more of the core glass temperature Tg1 and the core melting temperature Tm1.