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:
Jan. 06, 2026
Filed:
Jun. 01, 2023
Dic Corporation, Tokyo, JP;
DIC Corporation, Tokyo, JP;
Abstract
An adhesive sheet expandable by heating is provided. The adhesive sheet, before expansion, achieve temporary fixability at room temperature and ease of insertion when inserting one member into a cavity of another member. The adhesive sheet, after expansion, maintains excellent adhesive strength to enable the members to be firmly bonded together even under high temperature environments. An adhesive sheet includes a first principal face and a second principal face opposite to each other. The first principal face includes a thermally expandable thermosetting adhesive layer and a plurality of sticky parts provided on a first principal face of the thermally expandable thermosetting adhesive layer in a patterned manner. The second principal face includes the thermally expandable thermosetting adhesive layer forming the first principal face of the adhesive sheet or another thermally expandable thermosetting adhesive layer. An article including the adhesive sheet, and a method for producing the same are also provided.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile