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. 24, 2024
Filed:
Dec. 23, 2021
Mazda Motor Corporation, Hiroshima, JP;
Masaya Minato, Hiroshima, JP;
Hiroshi Kubota, Hiroshima, JP;
Masaaki Akamine, Hiroshima, JP;
Yushi Matsuda, Hiroshima, JP;
Kazuhiro Furuta, Hiroshima, JP;
Takahiro Tanaka, Hiroshima, JP;
Akira Andou, Hiroshima, JP;
Tomohiro Nagano, Saitama, JP;
MAZDA MOTOR CORPORATION, Hiroshima, JP;
Abstract
The present disclosure keeps a topcoat filmfrom having a dentin a portion of its surface corresponding to a pinholeof a resin molded product. A method of the present disclosure includes: applying an undercoat material to a resin molded productto form an undercoat film; applying a topcoat material to a surface of the undercoat filmto form a topcoat film; and thermally curing the topcoat film. A coating material that contains a base resin having a larger volume expansion coefficient than the resin molded productand a granular filler having a smaller volume expansion coefficient than the base resin and a number-average particle size of 2 μm or more to 12 μm or less is used as the undercoat material.