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:
Nov. 14, 1995
Filed:
Sep. 21, 1994
Applicant:
Inventors:
Yukihiro Sato, Amagasaki, JP;
Takumi Sone, Osaka, JP;
Sachio Nagata, Takarazuka, JP;
Tetsuhiro Sakata, Suita, JP;
Kei Demizu, Suita, JP;
Shinichi Tanaka, Osaka, JP;
Assignees:
Tanaka Limited, Osaka, JP;
Osaka Prefecture, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
148222 ; 148237 ; 427450 ; 427457 ; 427530 ;
Abstract
The surface of titanium is treated to reduce the friction coefficient and wear loss without sacrificing its corrosion resistance. Pure titanium or titanium alloy is subjected to plasma-carburizing in an atmosphere containing hydrocarbon gas at a pressure of 0.5 to 15 Torr and a temperature of 700.degree. to 1100.degree. C.