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:
Aug. 07, 1984
Filed:
Sep. 27, 1982
Applicant:
Inventor:
Hiroyoshi Yasui, Osaka, JP;
Assignee:
Koyo Seiko Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 / ; 252 / ; 252 / ; 252 334 ; 208 19 ;
Abstract
A rust preventive oil comprising a base oil having a viscosity of from 10 to 20 centistokes at 40.degree. C. which consists of from 70 to 80 percent by weight of low viscosity mineral oil and from 10 to 20 percent by weight of high viscosity mineral oil and additives such as barium sulphonate, wax or ester thereof, amine, higher alcohol, antioxidant and non-corrosive extreme pressure additive is beneficially suited for the high precision low frictional touque tapered roller bearing.