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. 03, 2024
Filed:
Apr. 19, 2022
Toyo Seikan Co., Ltd., Tokyo, JP;
Toyo Seikan Group Holdings, Ltd., Tokyo, JP;
Norihisa Hirota, Yokohama, JP;
Ryozo Shiroishi, Yokohama, JP;
Takuho Kumagai, Yokohama, JP;
Kenichi Takao, Yokohama, JP;
TOYO SEIKAN CO., LTD., Tokyo, JP;
TOYO SEIKAN GROUP HOLDINGS, LTD., Tokyo, JP;
Abstract
An aluminum can that has a maximum height of roughness Rz1 in the circumferential direction of not more than 0.5 μm on the outer surface of the thinnest portion of the body portion and, as viewed on the side surface, has a ratio Ra1/Ra2 in a range of 0.8 to 1.2, the ratio Ra1/Ra2 being that of a mean surface roughness Ra1 in the circumferential direction on the outer surface of the thinnest portion of the body portion and a mean surface roughness Ra2 in the circumferential direction on the outer surface of the lower end portion of the body portion.