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:
Jul. 22, 2014
Filed:
Nov. 25, 2008
Applicants:
Jochen Philippi, Graefelfing, DE;
Thomas Mattes, Gilching, DE;
Inventors:
Jochen Philippi, Graefelfing, DE;
Thomas Mattes, Gilching, DE;
Assignee:
EOS GmbH Electro Optical Systems, Krailling, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 3/105 (2006.01); B22F 3/24 (2006.01); B23K 26/00 (2014.01); B29C 35/08 (2006.01); B29C 41/02 (2006.01); B29C 41/52 (2006.01); G01B 15/08 (2006.01); G01N 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of manufacturing three-dimensional objects by laser sintering is provided, the object is formed by solidifying powder material layer by layer at locations in each layer corresponding to the object by means of laser radiation, wherein an IR-radiation image in an applied powder layer is detected, characterized in that defects and/or geometrical irregularities in the applied powder layer are determined on the basis of the IR-radiation image.