US 12,337,543 B2
Printing method for additive manufacturing, including in-situ powder regeneration
Steven Zhichao Shi, Santa Clara, CA (US); and Morteza Vatani, Los Gatos, CA (US)
Assigned to Sakuu Corporation, San Jose, CA (US)
Filed by Sakuu Corporation, San Jose, CA (US)
Filed on Jan. 13, 2023, as Appl. No. 18/154,783.
Claims priority of provisional application 63/299,867, filed on Jan. 14, 2022.
Prior Publication US 2023/0226767 A1, Jul. 20, 2023
Int. Cl. B29C 64/357 (2017.01); B22F 10/14 (2021.01); B22F 10/73 (2021.01); B29C 64/165 (2017.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B33Y 40/00 (2020.01)
CPC B29C 64/357 (2017.08) [B22F 10/14 (2021.01); B22F 10/73 (2021.01); B29C 64/165 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 40/00 (2014.12)] 23 Claims
OG exemplary drawing
 
1. A method comprising:
depositing powder on a substrate at a powder deposition station;
removing a first portion of the powder and depositing the removed first portion of the powder in a first collection container;
moving the powder remaining on the substrate to a wetting station;
wetting the powder with a wetting agent at the wetting station;
removing a second portion of the powder, after wetting, and depositing the removed second portion of the powder in a second collection container;
moving the powder, after wetting and removal of the second portion, to a binder jetting station and depositing a binder to the powder at the binder jetting station; and
removing a third portion of the powder, after depositing the binder, and depositing the removed third portion of the powder in a third collection container.