US 11,685,161 B2
Ink tank for liquid chemical discharging apparatus and liquid chemical discharging apparatus including the same
Donghwa Lee, Cheonan-si (KR); Daigeon Yoon, Seoul (KR); Jaeyong Choi, Seoul (KR); Sanguk Son, Suwon-si (KR); Kihoon Choi, Hwaseong-si (KR); and Daesung Kim, Cheonan-si (KR)
Assigned to SEMES Co. Ltd., Cheonan-si (KR)
Filed by SEMES Co. Ltd., Cheonan-si (KR)
Filed on Jul. 2, 2020, as Appl. No. 16/920,193.
Claims priority of application No. 10-2019-0080327 (KR), filed on Jul. 3, 2019.
Prior Publication US 2021/0001634 A1, Jan. 7, 2021
Int. Cl. B41J 2/175 (2006.01); B41J 19/08 (2006.01)
CPC B41J 2/17513 (2013.01) [B41J 2/17503 (2013.01); B41J 2/17553 (2013.01); B41J 2/17556 (2013.01); B41J 19/08 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An ink tank for a liquid chemical discharging apparatus comprising:
a liquid chemical receiving portion in which a liquid chemical is stored;
a liquid chemical discharge port configured to supply the liquid chemical to an inkjet head;
a pressure control port configured to control pressure of the liquid chemical receiving portion; and
a plurality of partition walls provided in the liquid chemical receiving portion and configured to partition the liquid chemical receiving portion, each partition wall comprising a plurality of scattering prevention holes,
wherein a scattering prevention hole located in an upper direction among the plurality of scattering prevention holes has a size larger than that of the scattering prevention hole located in a lower direction among the plurality of scattering prevention holes.