APPARATUS FOR THREE-DIMENSIONAL PRINTING
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United States of America Patent
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Issued Date -
Apr 7, 2016
app pub date -
Sep 30, 2015
filing date -
Oct 3, 2014
priority date (Note) -
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Abstract
A three-dimensional printing apparatus includes a material receiving area for receiving material, a plasticizer, a discharge pump and an auger. The material receiving area receives material to be used to be used in the three-dimensional printing process. The plasticizer includes a heating zone which places the material in shear. The discharge pump controls the flow of the material. The auger extends from the material receiving area through the plasticizer and terminates proximate the discharge pump. The material is maintained under pressure in the discharge pump until the material exits a nozzle provided at the end of the discharge pump for depositing on a build plate.
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