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:
Oct. 22, 2024
Filed:
Nov. 18, 2020
Lotte Chemical Corporation, Seoul, KR;
You Jung Lee, Daejeon, KR;
Young Koan Ko, Daejeon, KR;
Dae Gun Kim, Daejeon, KR;
Won Young Kim, Daejeon, KR;
Lotte Chemical Corporation, Seoul, KR;
Abstract
Provided is a high-pressure tank wound with a hoop layer and a helical layer. According to the present invention, the high-pressure tank includes: a liner which includes a cylinder portion and two dome portions respectively formed at both ends of the cylinder portion; and a composite material layer which includes a hoop layer and a helical layer, wound on an outer circumferential surface of the liner, wherein the helical layer includes a twist portion wound on a junction portion of the cylinder portion and the dome portion, and the twist portion is twisted and wound while wrapping on an end portion of the hoop layer when the helical layer passes by the hoop layer and is then wound toward the dome portion.