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:
Jun. 11, 2024
Filed:
Mar. 10, 2021
Nippon Closures Co., Ltd., Tokyo, JP;
Sei Nakagawa, Kanagawa, JP;
Daisuke Tsuchimoto, Kanagawa, JP;
NIPPON CLOSURES CO., LTD., Tokyo, JP;
Abstract
A metal cap that has an adhesive inner surface coating film and a masking layer. A coating film of a coating composition containing an adhesive component in a base resin and a masking agent is formed between the top plate portion inner surface of the metal cap shell and the olefin resin liner. The coating film has an adhesive portion adhesive to the olefin resin liner and a non-adhesive portion non-adhesive or weakly adhesive to the olefin resin liner. The adhesive portion is formed by positioning the adhesive component on the coating film surface. The non-adhesive portion has the masking layer of the masking agent at a side facing the metal cap shell, such that a sea-island structure is formed on the coating film surface corresponding to the masking layer, in which the adhesive component is a dispersion phase and the base resin is a continuous phase.