Recent Patents and Applications for 3D Printers

by AGC INC on October 10, 2019 at 12:00 pm

The present production method comprises: (I) a step of preparing, by a 3D-printing method, a first molded body containing SiC particles, wherein the first molded body has a first mean pore diameter M1; (II) a step of bringing the first molded body into contact with a dispersion solution containing […]

by BOARD OF REGENTS UNIV OF TEXAS SYSTEM ; NORTHEASTERN UNIV on October 10, 2019 at 12:00 pm

Disclosed herein are hydrogel compositions comprising a triblock copolymer having a formula A-B-A, wherein A is a polycaprolactone (PCL) block or a polyvalerolactone (PVL) block and B is a polyethylene glycol (PEG) block. Also disclosed are methods of making a hydrogel comprising providing a […]

by ADDUP ; CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS ; PARIS SUD UNIV on October 10, 2019 at 12:00 pm

The invention relates to a device for heating a powder bed in an additive manufacturing apparatus, characterized in that it includes: - a plasma generation device (20), said device being designed to be arranged and moved above the powder bed, at a distance from the powder bed that makes it possible […]

by ADDUP ; CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS ; PARIS SUD UNIV on October 10, 2019 at 12:00 pm

The invention relates to a device for heating a bed of powder in an additive manufacturing apparatus, characterized in that it comprises: - a plasma generating device (28), said device being capable of being placed and moved above the powder bed, at a distance from the powder bed that enables the […]

by ADDUP ; CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS ; PARIS SUD UNIV on October 10, 2019 at 12:00 pm

The invention relates to a device for localized heating of a powder bed in an additive manufacturing apparatus, comprising - a device (20) for localized generation of plasma, which is suitable for being placed and moved above a powder bed so as to generate a localized plasma thereon, - a source […]

by BOEING CO on October 10, 2019 at 12:00 pm

A novel planar antenna array fed by an integrated waveguide and a method for producing same is presented. The antenna array is an aperture coupled array fed by an embedded microstrip line. The embedded microstrip line transitions to a stripline feed then back to a microstrip line such that the […]

by HEWLETT PACKARD DEVELOPMENT CO LP on October 10, 2019 at 12:00 pm

A system for manufacturing three dimensional objects can include logic to apply a gas with at least one flow rate to a vessel of a three dimensional printer. The logic can also detect a permeability of a build material residing within the vessel, wherein the permeability is calculated based on a […]

by VELO3D INC on October 10, 2019 at 12:00 pm

The present disclosure provides three-dimensional (3D) printing methods, apparatuses, systems and/or software to form one or more 3D objects, some of which may be complex. In some embodiments, the one or more 3D objects comprise an overhang portion, such as a ledge or ceiling of a cavity. The […]

by E I DU PONT DE NEMOURS AND CO on October 10, 2019 at 12:00 pm

Disclosed are additive manufacturing compositions comprising: A) 5 to 94.9 weight percent of at least one semi-crystalline copolyamide having a melting point; wherein said semi-crystalline copolyamide comprises: a-1) 5 to 40 mole percent aromatic repeat units derived from: i) one or more aromatic […]

by HEWLETT PACKARD DEVELOPMENT CO LP on October 10, 2019 at 12:00 pm

In an example implementation, a method of 3D printing includes receiving a 2D data slice derived from a 3D object model, where the 2D data slice defines an object area of a layer of build material that is to receive a liquid functional agent and be fused as a layer of a part. The method includes […]