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Article Made by Additive Manufacturing with Continuous Fiber Reinforcements

United States Patent Application

20170152355
A1
View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
Several examples of an article of manufacture made with an additive manufacturing machine are disclosed. A length of fiber reinforcement is provided to a nozzle. The fiber reinforcement is embedded into a stream of a base polymer material at the nozzle and deposited as a bead of composite polymer material having fiber reinforcement. The fiber reinforcement may be dry or pre-impregnated with a reinforcing polymer. The additional strength of the composite polymer material having fiber reinforcement allows for true, three-dimensional printing of articles having unsupported regions.
Kunc, Vlastimil (Knoxville, TN), Blue, Craig A. (Knoxville, TN), Duty, Chad E. (Loudon, TN), Lind, Randall F. (Loudon, TN), Lindahl, John M. (Knoxville, TN), Lloyd, Peter D. (Knoxville, TN), Love, Lonnie J. (Knoxville, TN), Love, Matthew R. (Knoxville, TN), Post, Brian K. (Knoxville, TN), Rios, Orlando (Knoxville, TN)
14/ 953,537
November 30, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT [0001] 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.