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:
Jul. 27, 2021

Filed:

Jan. 29, 2016
Applicant:

Hewlett-packard Development Company, L.p., Houston, TX (US);

Inventors:

Michael G Monroe, Philomath, OR (US);

Vladek Kasperchik, Corvallis, OR (US);

Pavel Kornilovich, Corvallis, OR (US);

David A Champion, Lebanon, OR (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B 1/00 (2006.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B28B 11/24 (2006.01); B28B 17/00 (2006.01); B33Y 50/02 (2015.01);
U.S. Cl.
CPC ...
B28B 1/001 (2013.01); B28B 11/243 (2013.01); B28B 17/0081 (2013.01); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 50/02 (2014.12);
Abstract

According to an example, a three-dimensional (3D) printer may include a spreader to spread build material granules into a layer on a build area platform, a pressing die positioned above the layer of spread build material granules, in which the pressing die is to apply pressure onto the layer of build material granules to fragment the build material granules into primary particles to increase the density of the layer of build material granules, and a printhead to selectively deposit a fusing agent between the primary particles of the spread layer of build material granules.


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