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.

Date of Patent:
Jul. 21, 2026

Filed:

Oct. 27, 2022
Applicant:

Lg Energy Solution, Ltd., Seoul, KR;

Inventors:

Soon Kim, Daejeon, KR;

Dong Yeon Kim, Daejeon, KR;

Jin Hak Kong, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/04 (2006.01); B30B 11/16 (2006.01);
U.S. Cl.
CPC ...
H01M 4/0435 (2013.01); B30B 11/165 (2013.01);
Abstract

A calendering roll of a calendering roll press for manufacturing a dry electrode disposed as a pair to press and elongate an electrode sheet in both directions includes: a cylindrical roll main body installed to extend in a width direction of the electrode sheet; a roll driving shaft installed to pass through a center portion of the roll main body in a longitudinal direction; and a plurality of oil paths formed outside the roll driving shaft to form a flow path through which oil flows, and formed to pass through the roll main body in the longitudinal direction. An interval between the oil path and the roll driving shaft is formed to be largest at both sides of the roll main body in the longitudinal direction, and is formed to be smallest at the center portion of the roll main body.


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Kim, Soon. (2026). Calendering rolls of calendering roll press for manufacturing dry electrode (U.S. Patent No. 12689019). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12689019

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