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Multi-orifice deposition nozzle for additive manufacturing

United States Patent

November 21, 2017
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
An additive manufacturing extrusion head includes a nozzle for accepting and depositing a heated material onto a work surface and/or part. The nozzle includes a valve body and an internal poppet body moveable between positions to permit deposition of at least two bead sizes of heated material onto a work surface and/or part.
Lind; Randall F. (Loudon, TN), Post; Brian K. (Knoxville, TN), Cini; Colin L. (Knoxville, TN)
14/ 852,188
September 11, 2015
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.