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. 14, 2025
Filed:
Mar. 20, 2023
SK on Co., Ltd., Seoul, KR;
People and Technology, Inc., Gyeongsangbuk-do, KR;
Yun Jong Kim, Daejeon, KR;
Se Hun Park, Daejeon, KR;
Joon Sup Kim, Gyeongsangbuk-do, KR;
Young Cheol Lee, Gyeongsangbuk-do, KR;
Sung Youl Choi, Gyeongsangbuk-do, KR;
SK On Co., Ltd., Seoul, KR;
People and Technology, Inc., Gyeongsangbuk-do, KR;
Abstract
A rolling apparatus for a secondary battery electrode sheet, may include: a transfer unit transferring an electrode sheet having an electrode mixture layer applied to at least one surface thereof in a first direction; a rolling roll pressing the electrode sheet in a second direction, intersecting the first direction; and a support portion coupled to a rotational axis of the rolling roll to support rotation of the rolling roll, wherein the rolling roll May have a shape in which a central portion thereof in an axial direction protrudes further toward the electrode sheet than both end portions of thereof in an axial direction.