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:
Sep. 05, 2023
Filed:
Mar. 14, 2019
Toyo Seikan Group Holdings, Ltd., Tokyo, JP;
Takuho Kumagai, Yokohama, JP;
Ryozo Shiroishi, Yokohama, JP;
Naoya Matsumoto, Yokohama, JP;
Masahiro Shimamura, Yokohama, JP;
Tomohiro Ogawa, Yokohama, JP;
TOYO SEIKAN GROUP HOLDINGS, LTD., Tokyo, JP;
Abstract
A metallic worked article suppressing the worked surfaces from being scratched during the plastic work that is conducted aiming at reducing the thickness or decreasing the diameter. The metallic worked article has a reduced thickness or a decreased diameter as obtained through the plastic work, wherein on the worked surface thereof, the ratio RaRaof an arithmetic mean roughness Rameasured in a direction at right angles with the direction of working and an arithmetic mean roughness Rameasured in the direction of working, is from 0.5 to 1.5.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile