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:
Dec. 23, 2025
Filed:
Nov. 09, 2020
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Takahiro Kato, Tokyo, JP;
Yoichi Mochizuki, Tokyo, JP;
DAI NIPPON PRINTING CO., LTD., Tokyo, JP;
Abstract
An adhesive film for a metal terminal being interposed between a metal terminal electrically connected to an electrode of a power storage device element, and a power storage device external member that seals the power storage device element. The adhesive film is configured from a laminate provided with: a first polyolefin layer disposed on the metal terminal side; a base material; and a second polyolefin layer disposed on the power storage device external member side. Under the following measurement conditions, the restoration rate measured when an indenter is pressed in a vertical direction with respect to a cross section in a thickness direction of the first polyolefin layer is 46.0% or greater. Restoration rate measurement conditions are a load of 10 mN, a load application speed of 1 mN/10 seconds, retention time of 10 seconds, a load releasing speed of 1 mN/10 seconds, and measurement temperature of 25° C.