Methods for composite filament fabrication in three dimensional printing

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United States of America Patent

PATENT NO 10076875
APP PUB NO 20160346998A1
SERIAL NO

15145245

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Abstract

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Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to drag the filament from the conduit nozzle.

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Patent Owner(s)

Patent OwnerAddress
MARKFORGED INC60 TOWER ROAD WALTHAM MA 02451

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gozdz, Antoni S Acton, US 77 8101
Mark, Gregory Thomas Cambridge, US 80 6747

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