Machine and a Method for Additive Manufacturing with Continuous Fiber Reinforcements
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United States of America Patent
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Issued Date -
Jun 1, 2017
app pub date -
Nov 30, 2015
filing date -
Nov 30, 2015
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Abstract
Several examples of additive manufacturing machines and methods for depositing a bead of composite polymer material having continuous fiber reinforcement 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.
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