The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 21, 2021
Filed:
Apr. 25, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 64/209 (2017.01); B22F 10/10 (2021.01); B33Y 30/00 (2015.01); B33Y 50/02 (2015.01); B29C 64/393 (2017.01); B33Y 70/10 (2020.01); B29K 101/10 (2006.01); B29K 505/00 (2006.01); B29K 509/02 (2006.01);
U.S. Cl.
CPC ...
B29C 64/209 (2017.08); B22F 10/10 (2021.01); B29C 64/393 (2017.08); B33Y 30/00 (2014.12); B33Y 50/02 (2014.12); B29K 2101/10 (2013.01); B29K 2505/00 (2013.01); B29K 2509/02 (2013.01); B29K 2995/0008 (2013.01); B33Y 70/10 (2020.01);
Abstract
A nozzle assembly comprising a housing, a nozzle disposed in the housing and connected to an ink supply part, a first coil, which is disposed in the housing, for generating a magnetic field when a power source is applied, a second coil disposed in the housing, disposed so as to surround the nozzle and the first coil and generating a magnetic field when a power source is applied, provided that at least one of the magnetic field effective area and the magnetic field intensity is different from that of the first coil, and a lift part for lifting the nozzle and the first and second coils, respectively, so as to be positioned in the housing or exposed to the outside of the housing.