US 12,447,763 B2
Apparatus for inspecting inkjet head nozzle
Sung Jin Lee, Seoul (KR); Jung Hun Park, Seoul (KR); Ho Maeng, Gyeonggi-do (KR); and Se Hyun Sim, Incheon (KR)
Assigned to UNIJET CO., LTD., Gyeonggi-Do (KR)
Appl. No. 18/265,471
Filed by UNIJET CO., LTD., Gyeonggi-do (KR)
PCT Filed Sep. 2, 2021, PCT No. PCT/KR2021/011850
§ 371(c)(1), (2) Date Jun. 6, 2023,
PCT Pub. No. WO2022/158675, PCT Pub. Date Jul. 28, 2022.
Claims priority of application No. 10-2021-0007189 (KR), filed on Jan. 19, 2021.
Prior Publication US 2024/0025192 A1, Jan. 25, 2024
Int. Cl. B41J 29/393 (2006.01); B41J 2/165 (2006.01)
CPC B41J 29/393 (2013.01) [B41J 2/16579 (2013.01); B41J 2203/01 (2020.08)] 27 Claims
OG exemplary drawing
 
1. An apparatus for supplying an inspection film for inspecting an ejection state of ink droplets sprayed from a head nozzle of inkjet equipment provided in a glove box, the apparatus comprising:
a cartridge fastening portion comprising:
a fixing base configured to be installed on a maintenance area in the glove box for maintaining the head nozzle of the inkjet equipment;
a housing having a rectangular box shape and fixed to an upper portion of one side of the fixing base; and
a supply manifold mounted to an upper portion of the housing; and
a cartridge portion comprising:
a cover box which has a rectangular box shape having opened one side and in which a bottom surface is seated on a top surface of the fixing base, and an opened portion is seated on the housing to allow the cover box to be fastened to the cartridge fastening portion;
an outer plate fastened to the other side of the cover box by a plurality of connecting rods;
a connection manifold fastened to an upper portion of the cover box and an upper portion of the outer plate;
a testbed assembled to an upper portion of the connection manifold; and
a unwinding roller to which a replaceable inspection film supply roll is mounted and a winding roller to which a replaceable inspection film recovery roll is mounted, which are parallel to each other between the cover box and the outer plate.