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Printing head module and three dimensional printing apparatus using the same

  • US 9,662,835 B2
  • Filed: 01/16/2014
  • Issued: 05/30/2017
  • Est. Priority Date: 08/23/2013
  • Status: Active Grant
First Claim
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1. A three dimensional printing apparatus, comprising:

  • a base; and

    a printing head module disposed above the base and comprising;

    a printing head comprising a plurality of assembling pieces that are assembled with each other to form the printing head and a nozzle of the printing head assembled by the plurality of assembling pieces, wherein each of the plurality of assembling pieces comprises at least one material-supply groove and a plurality of contact surfaces configured to be assembled with the contact surfaces of the adjacent assembling piece, the contact surfaces of each of the assembling pieces are not coplanar with one another, and the material-supply grooves of any two adjacent assembling pieces are located corresponding to each other and assembled to form at least one material-supply channel; and

    at least one material spool connected to the material-supply channel to provide at least one fluid material to the at least one material-supply channel respectively and the fluid material is transmitted via the material-supply channel to be dispensed on the base by the nozzle.

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