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Method and apparatus for three-dimensional modeling

  • US 20010038168A1
  • Filed: 07/09/2001
  • Published: 11/08/2001
  • Est. Priority Date: 06/23/1999
  • Status: Active Grant
First Claim
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1. In a modeling machine that builds three-dimensional objects by depositing flowable modeling material, wherein the modeling material is provided to the machine in the form of flexible filament and a strand of the filament is advanced through the machine along a filament path to a liquifier where it is heated to a flowable temperature, the improvement comprising:

  • means for creating an active moisture barrier along the filament path.

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