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:
Apr. 16, 2019

Filed:

Apr. 15, 2016
Applicant:

The Curators of the University of Missouri, Columbia, MO (US);

Inventors:

Ming C Leu, Rolla, MO (US);

Amir Ghazanfari, Rolla, MO (US);

Wenbin Li, Rolla, MO (US);

Gregory E. Hilmas, Rolla, MO (US);

Robert G Landers, Rolla, MO (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29C 64/106 (2017.01); B29C 64/124 (2017.01); B29C 64/188 (2017.01); B28B 1/00 (2006.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B33Y 50/02 (2015.01);
U.S. Cl.
CPC ...
B29C 64/106 (2017.08); B28B 1/001 (2013.01); B29C 64/124 (2017.08); B29C 64/188 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 50/02 (2014.12);
Abstract

A freeform extrusion fabrication process for producing three-dimensional ceramic, metal and functionally gradient composite objects, including the steps of filling a plurality of paste sources with a respective plurality of aqueous paste compositions, operationally connecting respective syringes containing respective aqueous paste compositions to a mixing chamber, moving a first aqueous paste composition from a first respective paste source into the mixing chamber, moving a second aqueous paste composition from a second respective paste source into the mixing chamber, mixing the first and second aqueous paste compositions to define a first admixture having a first admixture composition, extruding the first admixture onto a surface to define an extruded layer having a first admixture composition, surrounding the sides of the extruded layer with an oil bath, radiatively drying the extruded layer.


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