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:
Feb. 17, 2026
Filed:
Mar. 25, 2021
Applicant:
Dai Nippon Printing Co., Ltd., Tokyo-to, JP;
Inventors:
Shinya Shimada, Tokyo-to, JP;
Kentaro Hoshi, Tokyo-to, JP;
Assignee:
DAI NIPPON PRINTING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 7/30 (2018.01); B32B 5/18 (2006.01); C09J 5/08 (2006.01); C09J 7/38 (2018.01); B32B 27/06 (2006.01); B32B 27/42 (2006.01);
U.S. Cl.
CPC ...
C09J 7/38 (2018.01); B32B 5/18 (2013.01); C09J 5/08 (2013.01); B32B 27/065 (2013.01); B32B 27/42 (2013.01); B32B 2250/40 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2264/20 (2020.08); B32B 2264/303 (2020.08); B32B 2266/0242 (2013.01); B32B 2266/0271 (2013.01); B32B 2305/022 (2013.01); B32B 2307/536 (2013.01); B32B 2307/732 (2013.01); B32B 2307/744 (2013.01); C09J 2301/312 (2020.08);
Abstract
A foaming adhesive sheet comprising a substrate and an adhesive layer placed on at least one surface side of the substrate; wherein the adhesive layer includes a curable adhesive, and a forming agent; the adhesive layer is placed on an outermost surface; a pressure-sensitive adhesive force of the adhesive layer is 0 N/25 mm or more and 0.1 N/25 mm or less; a static friction coefficient of a surface of the adhesive layer opposite to the substrate is 0.30 or less; and a pencil hardness of a surface of the adhesive layer opposite to the substrate is F or more.