US Patent No. 10,772,211

CARTRIDGE NOZZLE ASSEMBLY AND APPARATUS FOR INJECTING INK


Patent No. 10,772,211
Issue Date September 08, 2020
Title Cartridge Nozzle Assembly And Apparatus For Injecting Ink
Inventorship Do Young Byun, Seoul (KR)
Vu Dat Nguyen, Suwon-si (KR)
Assignee ENJET CO. LTD., Suwon-si (KR)

Claim of US Patent No. 10,772,211

1. An apparatus for injecting ink to form a pattern by adhering the ink injected from a nozzle onto a substrate, the apparatus comprising:a cartridge nozzle assembly, in a cartridge type, including:
a chamber accommodating the ink so as to seal the ink in the chamber; and
the nozzle for discharging the ink accommodated in the chamber; and
a cartridge nozzle fixing member for replaceably fixing the cartridge nozzle assembly; wherein the cartridge nozzle assembly comprises:
a body including: the chamber forming a space for accommodating the ink in the chamber; and an ink supply path forming a path for supplying ink from an outside of the chamber into the chamber; and
the nozzle including: a nozzle body which is in fluid communication with the chamber and which extends to have a constant tube diameter; and a nozzle tip formed to have a tube diameter tapering toward an end of the nozzle body and configured to discharge the ink; wherein the ink supply path is formed as an ink supply tube inserted into and fixed to a hole communicating between an outer surface of the body and the chamber and formed in a tubular shape to penetrate the chamber and to be spaced apart from a tubular inner surface of the nozzle body.