×

Method and apparatus for 3D fabrication

  • US 10,500,830 B2
  • Filed: 07/29/2015
  • Issued: 12/10/2019
  • Est. Priority Date: 07/29/2014
  • Status: Active Grant
First Claim
Patent Images

1. An apparatus for use in 3-D fabrication, the apparatus comprising:

  • a heat sink configured to dissipate heat;

    a melt tube having a first end and an opposite second end and adapted for heating a material as the material is conveyed between the first end and the second end;

    a pen tip having an opening therein for ejecting melted material; and

    a pen tip holder configured to securely hold the pen tip, the pen tip holder disposed apart from the heat sink, the pen tip holder having a heater element;

    wherein the melt tube comprises a thin walled section such that only the melt tube of the apparatus extends between the heat sink and the pen tip holder for a distance thereby forming a heat break;

    wherein the pen tip is inserted into the pen tip holder and over the second end of the melt tube and wherein the pen tip holder is threadably secured to the melt tube to thereby hold the pen tip in position.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×