	US 11,884,008 B2
	System and method of making printed articles
Eli Kritchman, Tel Aviv (IL); Wael Salalha, Beit Jann (IL); Tali Aqua, Rehovot (IL); Tal Sela, Tel Aviv (IL); Axel Benichou, Givaataim (IL); Doron Avramov, Yesha (IL); and Yohai Dayagi, Kibutz Kramim (IL)
Assigned to XJET LTD., Rehovot (IL)
Filed by XJET LTD., Rehovot (IL)
Filed on Nov. 8, 2022, as Appl. No. 18/053,635.
Application 18/053,635 is a division of application No. 16/606,137, granted, now 11,529,685, previously published as PCT/IB2018/000485, filed on Apr. 18, 2018.
Claims priority of provisional application 62/487,670, filed on Apr. 20, 2017.
Prior Publication US 2023/0158739 A1, May 25, 2023
Int. Cl. B33Y 10/00 (2015.01); B29C 64/112 (2017.01); B22F 12/55 (2021.01); B22F 10/43 (2021.01); B29C 64/336 (2017.01); B29C 64/40 (2017.01); B33Y 30/00 (2015.01); B29C 64/165 (2017.01); B33Y 50/02 (2015.01); B33Y 70/00 (2020.01); B29C 64/209 (2017.01); B29C 64/393 (2017.01); B28B 1/00 (2006.01); B28B 17/00 (2006.01); B22F 10/38 (2021.01); B22F 10/62 (2021.01); B22F 10/64 (2021.01); B22F 10/66 (2021.01); B29K 505/00 (2006.01); B29K 509/02 (2006.01); B22F 10/14 (2021.01); B22F 12/90 (2021.01); B22F 10/00 (2021.01)

CPC B29C 64/165 (2017.08) [B22F 10/38 (2021.01); B22F 10/43 (2021.01); B22F 10/62 (2021.01); B22F 10/64 (2021.01); B22F 10/66 (2021.01); B22F 12/55 (2021.01); B28B 1/001 (2013.01); B28B 17/0081 (2013.01); B29C 64/112 (2017.08); B29C 64/209 (2017.08); B29C 64/336 (2017.08); B29C 64/393 (2017.08); B29C 64/40 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 50/02 (2014.12); B33Y 70/00 (2014.12); B22F 10/00 (2021.01); B22F 10/14 (2021.01); B22F 12/90 (2021.01); B29K 2505/00 (2013.01); B29K 2509/02 (2013.01)]

9 Claims

1. A method of making an object by ink jet printing, the method comprising:

jetting object material including particles to form a product structure, the object material having a first sintering temperature;

simultaneous with or prior or before to forming the product structure, jetting support material including particles, to form a support structure, wherein the support structure is jetted in a manner supporting a product structure, and wherein the support material has a sintering temperature that is greater than the sintering temperature of the object material, the jetted object and the jetted support together constituting a green part;

heating the green part to a temperature at or above the first sintering temperature and below the second sintering temperature to thereby at least partially sinter the jetted object without substantially sintering the jetted support; and

removing the substantially unsintered support from the at least partially sintered object;

wherein a barrier layer is not formed between the product structure and the support structure.