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. 20, 2014
Filed:
Oct. 06, 2008
Applicants:
Ingo Ederer, Geltendorf, DE;
Andreas Hartman, Stadtbergen, DE;
Inventors:
Ingo Ederer, Geltendorf, DE;
Andreas Hartman, Stadtbergen, DE;
Assignee:
Voxeljet AG, Friedberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65G 53/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for conveying particulate material during the manufacture of patterns in layers, wherein powder is conveyed out of a reservoir into a spreader unit and, if applicable, excess powder fed to the spreader unit is again conveyed back into the reservoir and wherein this conveying takes place in a closed conveying circuit.