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:
Oct. 29, 2024

Filed:

Dec. 29, 2023
Applicant:

Sprintray, Inc., Los Angeles, CA (US);

Inventors:

Jing Zhang, Los Angeles, CA (US);

Dongjian Wang, Zhejiang, CN;

Zhongyu Gao, Zhejiang, CN;

Biqing Lu, Guangdong, CN;

Yubing Ding, Zhejiang, CN;

Assignee:

SprintRay, Inc., Los Angeles, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 64/321 (2017.01); B29C 64/124 (2017.01); B33Y 10/00 (2015.01); B33Y 40/00 (2020.01);
U.S. Cl.
CPC ...
B29C 64/321 (2017.08); B29C 64/124 (2017.08); B33Y 10/00 (2014.12); B33Y 40/00 (2014.12);
Abstract

The invention is a system and method for printing 3D objects that employs a hydraulic device. The device may include a piston, a platform, multiple chambers, and a channel, wherein the channel and chambers are fluidly connected and configured to hold a desired amount of 3D printing material suitable for 3D-printing objects for a wide range of applications. In an exemplary method, moving the piston transfers 3D printing material from one chamber to another chamber in which a build platform is situated; radiation from a light engine coupled to the chamber that includes the platform exposes the 3D printing material to a curing light on a surface of the platform. In exemplary embodiments, the chambers may be designed just small enough so as to facilitate the printing of a single small 3D-printed object.


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