Method and apparatus for fabricating three dimensional models
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United States of America Patent
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Feb 20, 2018
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N/A
app pub date -
Nov 26, 2014
filing date -
Nov 27, 2013
priority date (Note) -
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Abstract
A contact coating device comprising a high viscosity rapid deposition head comprising a deposition body defining a material supply passage; a dispensing/shaping nozzle being formed adjacent in a leading end surface of the high viscosity rapid deposition head for dispensing of the high viscosity material from the high viscosity rapid deposition head, and the dispensing/shaping nozzle comprising a dispensing cavity; at least one dispensing passage providing communication between the material supply passage and the dispensing/shaping nozzle for suppling the high viscosity material to the dispensing cavity; and a heating element for heating a portion of the high viscosity rapid deposition and facilitating flow of the high viscosity material through the high viscosity rapid deposition head. A multi-head material deposition system which comprises a first drop-on-demand device, a second drop-on-demand device and at least one contact coating rapid deposition head is also disclosed.
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