Three-dimensional printing apparatus and printing head module
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United States of America Patent
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Sep 20, 2016
Grant Date -
Jun 18, 2015
app pub date -
Feb 13, 2014
filing date -
Dec 13, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A three-dimensional (3-D) printing apparatus including a base, a printing head module and a control unit is provided. The base has a carrying surface. The printing head module is disposed above the base. The printing head module includes a body and a discharge outlet switching component. The body includes a material supplying channel. The discharge outlet switching component is movably disposed at the body. The discharge outlet switching component includes a plurality of discharge outlets. Diameters of the discharge outlets are different from each other. The control unit is configured to choose one of the discharge outlets according to the diameters and connect the chosen discharge outlet to the body, such that the material supplying channel is connected to the corresponding discharge outlet.
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