Penetrating and actuating nozzle for extrusion-based 3D printing
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United States of America Patent
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Apr 11, 2023
Grant Date -
Feb 10, 2022
app pub date -
Oct 25, 2021
filing date -
Sep 22, 2017
priority date (Note) -
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Abstract
An apparatus and device for creating a vertical strengthening feature within a 3D printed article of manufacture for improving mechanical performance in the Z-direction. Fill material is deposited in voids vertically crossing multiple layers during the build of 3D printing. The device includes a penetrating extension that fits within the void to create a vertical strengthening feature via heat and/or extruded fill material. The size and/or movement of the heated extension can impact the void side walls to reflow the build material and blend the layers together within the void side walls.
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