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:
Oct. 29, 2002
Filed:
May. 09, 2000
Applicant:
Inventor:
Sadahiko Kondo, Hyogo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 1/00 ;
U.S. Cl.
CPC ...
B24B 1/00 ;
Abstract
The invention provides a method of machining a rare earth alloy at high machining preciseness and high efficiency. In a step of grinding a block of a rare earth alloy with a grinding wheel having, on a peripheral portion thereof, a grinding edge including diamond abrasive particles, a coolant with surface tension of 25 mN/m through 60 mN/m is supplied to the grinding edge with the grinding wheel rotated.