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:
Jan. 19, 2016
Filed:
Jul. 19, 2012
Applicants:
Maik Grebe, Bochum, DE;
Sylvia Monsheimer, Haltern am See, DE;
Wolfgang Diekmann, Waltrop, DE;
Juergen Kreutz, Marl, DE;
Inventors:
Maik Grebe, Bochum, DE;
Sylvia Monsheimer, Haltern am See, DE;
Wolfgang Diekmann, Waltrop, 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); B29C 67/00 (2006.01); B32B 27/16 (2006.01);
U.S. Cl.
CPC ...
B29C 35/08 (2013.01); B29C 67/0077 (2013.01); B32B 27/16 (2013.01); Y10T 428/24479 (2015.01);
Abstract
An apparatus and method for the layer-by-layer production of three-dimensional objects wherein a powder layer is melted with a laser beam shaped such that the focus maximum power density is less than 50% greater than the average power density, is provided. Also provided are the corresponding mouldings.