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.

Date of Patent:
Nov. 27, 2018

Filed:

Apr. 28, 2016
Applicant:

Xerox Corporation, Norwalk, CT (US);

Inventors:

Erwin Ruiz, Rochester, NY (US);

Paul J. McConville, Webster, NY (US);

Chu-heng Liu, Penfield, NY (US);

James A. Winters, Alfred Station, NY (US);

Jason M. LeFevre, Penfield, NY (US);

Assignee:

Xerox Corporation, Norwalk, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 64/20 (2017.01); B33Y 30/00 (2015.01); B29C 64/264 (2017.01); B22F 3/105 (2006.01); B33Y 10/00 (2015.01); B29C 64/153 (2017.01); B29C 64/35 (2017.01); B29C 64/205 (2017.01); B29C 64/223 (2017.01); B29K 105/00 (2006.01);
U.S. Cl.
CPC ...
B29C 64/20 (2017.08); B22F 3/1055 (2013.01); B29C 64/153 (2017.08); B29C 64/205 (2017.08); B29C 64/223 (2017.08); B29C 64/264 (2017.08); B29C 64/35 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B22F 2003/1056 (2013.01); B29K 2105/251 (2013.01);
Abstract

A 3-D printer includes a development station positioned to electrostatically transfer layers of material to an intermediate transfer surface, and a transfer station adjacent the intermediate transfer surface. The transfer station is positioned to receive the layers as the intermediate transfer surface moves past the transfer station. Also, a platen is included that moves relative to the intermediate transfer surface. The intermediate transfer surface transfers a layer of the material to the platen each time the platen contacts one of the layers on the intermediate transfer surface at the transfer station to successively form a freestanding stack of the layers on the platen. A fusing station is positioned to apply light to each layer, after each layer is transferred from the transfer station to the platen. The fusing station selectively applies the light to sinter a portion of the material within the layer.


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