US 11,850,796 B2
Interchangeable container with moveable side walls
Ingo Ederer, Geltendorf (DE); and Daniel Günther, Munich (DE)
Assigned to VOXELJET AG, Friedberg (DE)
Filed by Voxeljet AG, Friedberg (DE)
Filed on Mar. 24, 2022, as Appl. No. 17/703,031.
Application 17/703,031 is a continuation of application No. 16/263,716, filed on Jan. 31, 2019, granted, now 11,292,188.
Application 16/263,716 is a continuation of application No. 15/039,267, granted, now 10,220,568, issued on Mar. 5, 2019, previously published as PCT/DE2014/000609, filed on Dec. 1, 2014.
Claims priority of application No. 10 2013 018 031.7 (KR), filed on Dec. 2, 2013.
Prior Publication US 2022/0212401 A1, Jul. 7, 2022
Int. Cl. B29C 64/165 (2017.01); B29C 64/255 (2017.01); B29C 64/259 (2017.01); B22F 10/14 (2021.01); B22F 12/00 (2021.01); B22F 12/30 (2021.01); B22F 10/28 (2021.01); B29K 105/00 (2006.01)
CPC B29C 64/165 (2017.08) [B22F 10/14 (2021.01); B22F 12/222 (2021.01); B22F 12/30 (2021.01); B29C 64/255 (2017.08); B29C 64/259 (2017.08); B22F 10/28 (2021.01); B29K 2105/251 (2013.01); B29K 2905/02 (2013.01); Y02P 10/25 (2015.11)] 20 Claims
OG exemplary drawing
 
1. A system for producing three-dimensional models comprising:
a build container for holding a feedstock on a build platform in a build space, wherein the build platform is adjustable in height within the build container;
a powder coater for applying particulate material on the feedstock in layers;
a z-axis drive unit on an exterior of a vertical side wall of the build container;
wherein the z-axis drive unit is coupled to the build platform for moving the build platform in a vertical direction;
wherein the particulate material directly contacts a rigid vertical side wall of the build container;
wherein the container includes at least two flexible side walls and a seal between each of the flexible vertical side walls and adjacent vertical side walls.