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. 22, 1978
Filed:
Oct. 14, 1976
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
148 / ; 148 / ; 308241 ; 427290 ; 427327 ; 427334 ; 427417 ;
Abstract
The surfaces of antifriction elements and other steel surfaces in mutual sliding contact are improved by first degreasing the surfaces in a mild alkaline aqueous degreasing bath at a pH of about 7 to 10, by then rinsing with cold water, by browning the surfaces in a saturated aqueous solution of a selected salt material at temperatures of from 128.degree. to 135.degree. C.
Peter, Wolfgang. (1978). Process for improving the surfaces of roller bodies and balls (U.S. Patent No. 4108689). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4108689
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile