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:
Jan. 04, 2005
Filed:
May. 31, 2002
Yoshitami Kondo, Kariya, JP;
Masanobu Tomita, Kariya, JP;
Yasuhiro Miura, Kariya, JP;
Hironobu Tsushima, Kariya, JP;
Suguru Hirota, Kariya, JP;
Yoshitami Kondo, Kariya, JP;
Masanobu Tomita, Kariya, JP;
Yasuhiro Miura, Kariya, JP;
Hironobu Tsushima, Kariya, JP;
Suguru Hirota, Kariya, JP;
Kabushiki Kaisha Toyota Jidoshokki, Kariya, JP;
Abstract
A process of production of a compressor shoe superior in durability and reduced in manufacturing cost, wherein a process of quenching the shoe is performed in a vacuum, inert gas, or modified gas so as to prevent oxidation of the chrome and manganese of the surface of the material or the quenching process is performed after forming an antioxidation film on the surface of the material to prevent the oxidation of the chrome and manganese.