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:
Sep. 13, 2005
Filed:
Jan. 20, 2003
Toshiya Hayashi, Yokkaichi, JP;
Hisatoshi Kojima, Okazaki, JP;
Kazuki Kataoka, Yokohama, JP;
Toru Nakanoboh, Mie, JP;
Toshiya Hayashi, Yokkaichi, JP;
Hisatoshi Kojima, Okazaki, JP;
Kazuki Kataoka, Yokohama, JP;
Toru Nakanoboh, Mie, JP;
DENSO Corporation, Kariya, JP;
Abstract
A highly accurate, long-life grindstone for shaping a gear and a method of fabricating the grindstone, without depending on the accuracy of form of a base metal and without using a special grinding machine or a special lapping machine, are disclosed. A super-abrasive layer () of a predetermined thickness is fixedly attached on the outer periphery of a body portion () of the base metal () formed in a cylinder solid. The super-abrasive layer () is metal-bonded, and has the outer periphery thereof formed with a toothed portion () in the shape of the teeth of an external gear by electric discharge machining.