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:
Apr. 29, 2025
Filed:
Jan. 05, 2022
Lg Energy Solution, Ltd., Seoul, KR;
Jae Young Sung, Daejeon, KR;
Joon Sun Park, Daejeon, KR;
Chae Gyu Lee, Daejeon, KR;
Duck Joong Yun, Daejeon, KR;
Jeong Yong Lee, Daejeon, KR;
Woo Jin An, Daejeon, KR;
Koo Youn Hwang, Daejeon, KR;
Won Hak Cho, Daejeon, KR;
Jin Ki Han, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
Disclosed herein is a roundness measuring device and a roundness measuring method of a coating roll for battery manufacturing. The roundness measuring device of a coating roll that supports an electrode sheet when the electrode sheet is coated with an electrode slurry, the roundness measuring device comprising: a displacement sensor spaced apart from the coating roll and configured to measure roundness of the coating roll in a non-contact manner; and a support member on which the displacement sensor is installed and which extends in a length direction of the coating roll, wherein the displacement sensor is installed as a plurality of displacement sensors on the support member in the length direction of the coating roll.