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:
Sep. 10, 2024

Filed:

Oct. 27, 2021
Applicant:

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

Inventors:

Marc Garcia Grau, Sant Cugat del Valles, ES;

Sergi Culubret i Cortada, Sant Cugat del Valles, ES;

Sergio Puigardeu Aramendia, Sant Cugat del Valles, ES;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 64/393 (2017.01); B29C 64/153 (2017.01); B29C 64/188 (2017.01); B33Y 50/02 (2015.01); B33Y 10/00 (2015.01);
U.S. Cl.
CPC ...
B29C 64/393 (2017.08); B29C 64/153 (2017.08); B29C 64/188 (2017.08); B33Y 10/00 (2014.12); B33Y 50/02 (2014.12);
Abstract

A 3D printer is disclosed herein. The 3D printer comprises a build material distributor, an agent delivery device and a controller. The controller obtains slice image data of a sliced virtual build volume including a 3D object to be generated, where the slice image data is indicative, for each slice, of the portions of corresponding build material layers to be solidified. The controller is to determine print data corresponding to each slice, the print data defining a density of printing agent to be applied to regions of each layer based on the slice image data; and to obtain additional data relating to a portion of a slice that corresponds to a sloped portion of the 3D object. The controller is further to modify the determined print data to modify the density of printing agent to be printed at a portion of a given build material layer based on the additional data. The controller is also to control the build material distributor to generate a build material layer; and the agent delivery device to selectively eject the printing agent based on the modified print data.


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