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. 27, 2011
Filed:
Mar. 23, 2007
Applicants:
Kenichi Sasaki, Osaka, JP;
Sumio Iida, Osaka, JP;
Shizuo Mori, Kanagawa, JP;
Inventors:
Assignee:
Sumitomo Metal Industries, Ltd., Osaka-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B 45/02 (2006.01); C10M 173/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a lubricant for hot metal working which is capable of inhibiting generation of white scale, attributed to the lubricant, on the surface of a workpiece material and is capable of improving lubricity to obtain favorable appearance of the finished product. The lubricant for hot metal working comprises a silicate compound used for adding to a lubricant composition mainly containing sodium borate.