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. 22, 2003
Filed:
Nov. 08, 2000
Applicant:
Inventors:
Toru Mizuno, Fukushima-ken, JP;
Ikuo Hattori, Mitsukaido, JP;
Akihiko Sugama, Koriyama, JP;
Toshikatsu Matsuya, Tendo, JP;
Yoshiaki Ise, Tendo, JP;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
B23F 2/103 ;
U.S. Cl.
CPC ...
B23F 2/103 ;
Abstract
The present invention relates to an outer-diameter blade, an inner-diameter blade and cutting machines which respectively use the outer-diameter blade and the inner-diameter blade for cutting hard material, such as metal, ceramics, semiconductor single crystal, glass, quartz crystal, stone, asphalt or concrete, and a core drill and a core-drill processing machine which drives the core drill for forming a hole in the hard material.