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:
Jul. 09, 2024
Filed:
Nov. 18, 2020
Applicant:
Lotte Chemical Corporation, Seoul, KR;
Inventors:
Dae Gun Kim, Daejeon, KR;
Kyo Min Lee, Daejeon, KR;
Young Koan Ko, Daejeon, KR;
You Jung Lee, Daejeon, KR;
Won Young Kim, Daejeon, KR;
Assignee:
Lotte Chemical Corporation, Seoul, KR;
Primary Examiner:
Int. Cl.
CPC ...
F17C 13/06 (2006.01);
U.S. Cl.
CPC ...
F17C 13/06 (2013.01); F17C 2203/0604 (2013.01); F17C 2203/0646 (2013.01); F17C 2203/0663 (2013.01); F17C 2205/0308 (2013.01); F17C 2209/2154 (2013.01); F17C 2221/012 (2013.01); F17C 2221/033 (2013.01); F17C 2221/035 (2013.01); F17C 2223/035 (2013.01); F17C 2270/0184 (2013.01);
Abstract
The present invention relates to a knob cap for a high-pressure tank including a coupling groove portion corresponding to a knob of a liner of the high-pressure tank formed in a lower surface of a body; a peripheral wing portion extending outward in a lower end of an outer circumferential surface of the body to be in contact with a surface of the liner; and a thickness conversion portion formed in the outer circumferential surface of the body to change a thickness between a center line and the outer circumferential surface.