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:
Apr. 28, 2015
Filed:
Jul. 03, 2012
Masaki Kasashima, Echizen, JP;
Takehisa Minowa, Echizen, JP;
Harukazu Maegawa, Echizen, JP;
Yoshifumi Nagasaki, Echizen, JP;
Masaki Kasashima, Echizen, JP;
Takehisa Minowa, Echizen, JP;
Harukazu Maegawa, Echizen, JP;
Yoshifumi Nagasaki, Echizen, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Abstract
An outer blade cutting wheel comprising an annular thin disc base of cemented carbide and a blade section of metal or alloy-bonded abrasive grains on the outer periphery of the base is provided. The abrasive grains are diamond and/or cBN grains having an average grain size of 45-310 μm and a TI of at least 150. The blade section includes overlays having a thickness tolerance (T−T) of 0.001 mm to 0.1×Tmm. The blade section has a roundness (OD/2−OD/2) of 0.001 mm to 0.01×ODmm.