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Enhanced additive manufacturing with a reciprocating platen

United States Patent

9,884,444
February 6, 2018
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
An additive manufacturing extrusion head that includes a heated nozzle for accepting a feedstock and extruding the feedstock onto a substrate at a deposition plane, the nozzle having a longitudinal extrusion axis. A reciprocating platen surrounds the nozzle, the platen operable to reciprocate along the extrusion axis at or above the deposition plane as the nozzle extrudes feedstock onto the substrate; and wherein the platen flattens the extruded feedstock such that it does not protrude above the deposition plane as the extrusion head traverses over the substrate.
Lind; Randall F. (Loudon, TN), Blue; Craig A. (Knoxville, TN), Love; Lonnie J. (Knoxville, TN), Post; Brian K. (Knoxville, TN), Lloyd; Peter D. (Knoxville, TN)
UT-Battelle, LLC (Oak Ridge, TN)
14/ 517,571
20160107389
October 17, 2014
GOVERNMENT RIGHTS This invention was made with government support under Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in the invention.