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:
Oct. 21, 2025
Filed:
Jul. 24, 2023
Daiwa Can Company, Tokyo, JP;
Hikaru Nakamoto, Sagamihara, JP;
Yoshinari Suganuma, Sagamihara, JP;
Ichiro Hayashi, Tokyo, JP;
Ryuya Nagao, Sagamihara, JP;
DAIWA CAN COMPANY, Tokyo, JP;
Abstract
A packaging container () includes a housing part () that houses a content, a flange part () provided on an outer circumference of an opening of the housing part () integrally with the housing part (), a sealing ridge () provided on a top face of the flange part (), annularly formed over an entire circumference of the flange part () so as to be protruded upward, and having a first protrusion () that protrudes outward in a plane direction of the flange part () at a position corresponding to an opening start part, and a second protrusion () provided on the top face of the flange part () so as to be protruded upward, and forming a gap along an inner face of the first protrusion () on an inner circumferential side of the first protrusion () of the sealing ridge ().