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:
Jul. 11, 2000
Filed:
Jun. 30, 1998
Applicant:
Inventors:
Tomoyasu Imai, Kariya, JP;
Ryohei Mukai, Nagoya, JP;
Shinji Soma, Handa, JP;
Tomoyuki Kasuga, Kariya, JP;
Takanori Ninomiya, Kariya, JP;
Assignees:
Toyoda Koki Kabushiki Kaisha, Kariya, JP;
Toyoda Van Moppes Kabushiki Kaisha, Okazaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
B24D / ;
U.S. Cl.
CPC ...
451541 ; 451309 ;
Abstract
A grinding wheel comprising abrasive grains, a bonding material for bonding the abrasive grains, and grain clusters of accumulated filler grains having a size smaller than the abrasive grains. The grinding wheel may be a vitrified grinding wheel, and in this case, chromium oxide having good affinity with the vitrified bonding material may be used as the filler grains.