US 11,951,683 B2
Utilization of magnetic particles to improve z-axis strength of 3D printed objects
Chunliang Lu, Webster, NY (US); Christopher Wolfe, Rochester, NY (US); John Ianni, Medina, NY (US); Mark Mercandetti, Victor, NY (US); John Pawlak, Rochester, NY (US); and Chieh-Min Cheng, Rochester, NY (US)
Assigned to Xerox Corporation, Norwalk, CT (US)
Filed by Xerox Corporation, Norwalk, CT (US)
Filed on Jul. 11, 2022, as Appl. No. 17/862,215.
Application 17/862,215 is a continuation of application No. 16/818,754, filed on Mar. 13, 2020, granted, now 11,400,647.
Prior Publication US 2022/0339865 A1, Oct. 27, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B29C 67/00 (2017.01); B29C 64/118 (2017.01); B29C 64/153 (2017.01); B29C 64/188 (2017.01); B29C 64/393 (2017.01); B33Y 10/00 (2015.01); B33Y 40/00 (2020.01); B33Y 50/02 (2015.01)
CPC B29C 64/188 (2017.08) [B29C 64/118 (2017.08); B29C 64/153 (2017.08); B29C 64/393 (2017.08); B29K 2995/0008 (2013.01); B29K 2995/0094 (2013.01); B33Y 10/00 (2014.12); B33Y 40/00 (2014.12); B33Y 50/02 (2014.12)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
printing a three-dimensional (3D) object with a print material comprising a polymer and magnetic particles;
heating the 3D object to a temperature at approximately a melting temperature of the polymer; and
applying an oscillating magnetic field to the 3D object to rotate the magnetic particles back and forth in accordance with a pattern of oscillation in the polymer to create localized heat in various internal locations of the 3D object to fuse the polymer around the magnetic particles.