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. 22, 2025

Filed:

May. 03, 2024
Applicant:

University of North Texas, Denton, TX (US);

Inventors:

Yijie Jiang, Corinth, TX (US);

Nava Raj Khatri, Lubbock, TX (US);

Assignee:

University of North Texas, Denton, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 48/25 (2019.01); B29C 64/209 (2017.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01);
U.S. Cl.
CPC ...
B29C 48/25684 (2019.02); B29C 64/209 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12);
Abstract

Provided is an insert adapter for direct ink writing printers (DIW) and methods of fiber alignment in direct ink writing. The insert adapter is sized to fit snugly inside a print barrel DIW 3D printer. The adapter includes channels. The DIW printer with insert adapter, can be used in a passive method for microfiber alignment in DIW printing. The method includes feeding a non-Newtonian ink including microfibers through the print barrel such that the ink flows into the channels of the insert adapter before exiting through a print nozzle, causing the microfibers to align along the direction of ink flow.


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