US 9,808,993 B2
Method for solid freeform fabrication
Andrew J. Boydston, Seattle, WA (US); Mark Ganter, Edmonds, WA (US); Duane Storti, Seattle, WA (US); Adam Edward Goetz, Seattle, WA (US); Mete Yurtoglu, Seattle, WA (US); Michael Byrnes Larsen, Seattle, WA (US); and Gregory Isaac Peterson, Tacoma, WA (US)
Assigned to Ricoh Co., Ltd., Tokyo (JP); and University of Washington, Seattle, WA (US)
Filed by Andrew J. Boydston, Seattle, WA (US); Mark Ganter, Edmonds, WA (US); Duane Storti, Seattle, WA (US); Adam Edward Goetz, Seattle, WA (US); Mete Yurtoglu, Seattle, WA (US); Michael Byrnes Larsen, Seattle, WA (US); and Gregory Isaac Peterson, Tacoma, WA (US)
Filed on Mar. 3, 2015, as Appl. No. 14/637,070.
Prior Publication US 2016/0257070 A1, Sep. 8, 2016
Int. Cl. B29B 13/02 (2006.01); B29C 71/02 (2006.01); B29C 71/04 (2006.01); B29C 67/00 (2017.01); B29C 71/00 (2006.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B33Y 50/02 (2015.01); B33Y 70/00 (2015.01); B29K 79/00 (2006.01); B29K 105/00 (2006.01)
CPC B29C 67/0066 (2013.01) [B29B 13/021 (2013.01); B29C 67/0081 (2013.01); B29C 67/0088 (2013.01); B29C 71/0009 (2013.01); B29K 2079/08 (2013.01); B29K 2105/251 (2013.01); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 50/02 (2014.12); B33Y 70/00 (2014.12)] 13 Claims
OG exemplary drawing
 
1. A method for manufacturing a three-dimensional article, the method comprising:
a. depositing a powder of prepolymer on a build plate to form a powder bed;
b. printing a solution of an activating agent at selected locations on the powder bed;
c. exposing the printed solution to a stimulus to form a polymer layer of the three-dimensional article; and
d. repeating steps (a)-(c) to manufacture remainder of the three-dimensional article.