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:
Jul. 14, 2020
Filed:
Jun. 13, 2014
Showa Aluminum Can Corporation, Shinagawa-ku, Tokyo, JP;
Yasushi Tashiro, Tokyo, JP;
Hiroyuki Okada, Tokyo, JP;
Shinichi Ojima, Tokyo, JP;
Kazunori Ikeda, Tokyo, JP;
Tetsuo Kashiwazaki, Tokyo, JP;
Asumi Suwa, Tokyo, JP;
SHOWA ALUMINUM CAN CORPORATION, Tokyo, JP;
Abstract
A first score line () is curled inward at one end section () and the other end section () of the first score line () so as to go into a region enclosed by the first score line (), and the first score line () approaches a center line (CL) of a tab as going to the trailing ends thereof. In addition, a curvature at which the first scored line () is brought closer to the other end section () side is applied to the one end section () of the first score line (), and a curvature at which the first score line () is brought closer to the one end section () side is also applied to the other end section () of the first score line ().