Patent application number | Description | Published |
20120068378 | METHOD FOR BUILDING THREE-DIMENSIONAL MODELS WITH EXTRUSION-BASED ADDITIVE MANUFACTURING SYSTEMS - A method for building a three-dimensional model with an extrusion-based additive manufacturing system having an extrusion head, the method comprising depositing a consumable material from a liquefier assembly at an extrusion rate to substantially normalize a meniscus height within the liquefier assembly. | 03-22-2012 |
20120070523 | LIQUEFIER ASSEMBLY FOR USE IN EXTRUSION-BASED ADDITIVE MANUFACTURING SYSTEMS - A liquefier assembly for use in an extrusion-based additive manufacturing system, the liquefier assembly comprising a downstream portion having a first average inner cross-sectional area, and an upstream having a second average inner cross-sectional area that is less than the first inner cross-sectional area, the upstream portion defining a shoulder configured to restrict movement of a melt meniscus of a consumable material. | 03-22-2012 |
20120161350 | VOICE COIL MECHANISM FOR USE IN ADDITIVE MANUFACTURING SYSTEM - A print head assembly that includes a receptacle supported from a carriage frame and configured to receive a print head, and a toggle mechanism configured to move the receptacle relative to the carriage frame. | 06-28-2012 |
20120162305 | PRINT HEAD FOR USE IN FUSED DEPOSITION MODELING SYSTEM - A print head for use in a fused deposition modeling system, the print head includes a cartridge assembly and a liquefier pump assembly retained by the cartridge assembly. | 06-28-2012 |
20120162314 | PRINT HEAD ASSEMBLY FOR USE IN FUSED DEPOSITION MODELING SYSTEM - A print head assembly that includes a print head carriage and multiple, replaceable print heads that are configured to be removably retained in receptacles of the print head carriage. | 06-28-2012 |
20120164256 | PRINT HEAD ASSEMBLY AND PRINT HEAD FOR USE IN FUSED DEPOSITION MODELING SYSTEM - A print head assembly that includes a print head carriage and multiple, replaceable print heads that are configured to be removably retained in receptacles of the print head carriage. The print heads each include a cartridge assembly and a liquefier pump assembly retained by the cartridge assembly. | 06-28-2012 |
20120164330 | METHOD OF USING PRINT HEAD ASSEMBLY IN FUSED DEPOSITION MODELING SYSTEM - A method of using a print head assembly that includes a print head carriage and multiple, replaceable print heads that are configured to be removably retained in receptacles of the print head carriage. | 06-28-2012 |
20130161432 | CONSUMABLE ASSEMBLY WITH PAYOUT TUBE FOR ADDITIVE MANUFACTURING SYSTEM - A payout tube for enabling payout of a consumable filament from a consumable assembly that is configured for use with an additive manufacturing system, the payout tube comprising a tip end having an inlet opening, a base end having an outlet opening, and a tube body having an average effective outer diameter that is substantially greater than an effective inner diameter of the inlet opening. | 06-27-2013 |
20140048969 | PRINT HEAD NOZZLE FOR USE WITH ADDITIVE MANUFACTURING SYSTEM - A nozzle for printing three-dimensional parts with an additive manufacturing system, the nozzle comprising a nozzle body having an inlet end and a tip end offset longitudinally from the inlet end, a tip pipe for extruding a flowable material, an inner ring extending circumferentially around the tip pipe at the outlet end, an outer ring extending circumferentially around the inner ring, at least one annular recessed groove located circumferentially between the inner ring and the outer ring. | 02-20-2014 |
20140048980 | ADDITIVE MANUFACTURING SYSTEM WITH EXTENDED PRINTING VOLUME, AND METHODS OF USE THEREOF - An additive manufacturing system for printing three-dimensional parts, the system comprising a heatable chamber with a port, a print foundation, a print head configured to print a three-dimensional part onto the print foundation in a layer-by-layer manner along a printing axis, and a drive mechanism configured to index the print foundation along the printing axis such that, while the print head prints the three-dimensional part, the print foundation and at least a portion of the three-dimensional part pass through the port and out of the heated chamber. | 02-20-2014 |
20140048981 | ADDITIVE MANUFACTURING SYSTEM WITH EXTENDED PRINTING VOLUME, AND METHODS OF USE THEREOF - An additive manufacturing system for printing three-dimensional parts, the system comprising a heatable region, a receiving surface, a print head configured to print a three-dimensional part onto the receiving surface in a layer-by-layer manner along a printing axis, and a drive mechanism configured to index the receiving surface along the printing axis such that the receiving surface and at least a portion of the three-dimensional part out of the heated region. | 02-20-2014 |
20140120194 | PRINT HEAD ASSEMBLY AND PRINT HEAD FOR USE IN FUSED DEPOSITION MODELING SYSTEM - A print head assembly that includes a print head carriage and multiple, replaceable print heads that are configured to be removably retained in receptacles of the print head carriage. The print heads each include a cartridge assembly and a liquefier pump assembly retained by the cartridge assembly. | 05-01-2014 |
20140120197 | LIQUEFIER ASSEMBLY FOR USE IN EXTRUSION-BASED ADDITIVE MANUFACTURING SYSTEMS - A liquefier assembly for use in an extrusion-based additive manufacturing system, the liquefier assembly comprising a downstream portion having a first average inner cross-sectional area, and an upstream having a second average inner cross-sectional area that is less than the first inner cross-sectional area, the upstream portion defining a shoulder configured to restrict movement of a melt meniscus of a consumable material. | 05-01-2014 |
20140158802 | COIL ASSEMBLY HAVING PERMEABLE HUB - A coil assembly comprising a coil of a strand-based material retained in a figure-8 configuration, and having an inner layer and an outer layer, where the inner layer of the coil defines a core region of the coil, and where the coil is configured to unwind loop by loop beginning from the inner layer and moving towards the outer layer as the strand-based material is drawn through a payout hole. The coil assembly also comprises a permeable hub configured to reduce payout entanglement of the strand-based material. | 06-12-2014 |
20140255647 | THREE-DIMENSIONAL PARTS HAVING INTERCONNECTED HOLLOW PATTERNS, AND METHOD FOR GENERATING AND PRINTING THEREOF - A three-dimensional part printed using an additive manufacturing technique, which includes sets of printed cell layers, each defining an array of hollow cells with wall segments, and sets of printed transition layers, each being disposed between adjacent printed cell layers, where the sets of printed transition layers each comprise sloped walls that diverge from a first portion of the wall segments and that converge towards a second portion of the wall segments to interconnect the hollow cells of adjacent printed cell layers, and where the sloped walls of adjacent printed transition layers have printing orientations that are rotated from each other in a build plane. | 09-11-2014 |