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. 01, 2016
Filed:
Feb. 14, 2013
Applicants:
Maik Grebe, Bochum, DE;
Wolfgang Diekmann, Waltrop, DE;
Sigrid Hessel-geldmann, Haltern am See, DE;
Juergen Kreutz, Marl, DE;
Inventors:
Maik Grebe, Bochum, DE;
Wolfgang Diekmann, Waltrop, DE;
Sigrid Hessel-Geldmann, Haltern am See, DE;
Juergen Kreutz, Marl, DE;
Assignee:
EVONIK DEGUSSA GmbH, Essen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B29C 41/02 (2006.01); B29C 35/08 (2006.01); B32B 5/16 (2006.01); B29C 67/00 (2006.01); B22F 3/105 (2006.01);
U.S. Cl.
CPC ...
B29C 35/0805 (2013.01); B22F 3/1055 (2013.01); B29C 67/0077 (2013.01); B32B 5/16 (2013.01); B22F 2003/1056 (2013.01); Y10T 428/31504 (2015.04);
Abstract
A process for melting/sintering powder particles for layer-by-layer production of three-dimensional objects wherein a layer of powder particles is irradiated by a nonlinear path of an electromagnetic radiation is provided. Also provided are an apparatus to conduct the process and three dimensional objects obtained by the process.