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:
Jun. 07, 2011
Filed:
Apr. 19, 2006
Soo-kwang Kim, Irvine, CA (US);
Hee-dong Park, Suwon, KR;
Joon-ho Chang, Ansan, KR;
Jong-ho Kim, Hwasung, KR;
Soo-Kwang Kim, Irvine, CA (US);
Hee-Dong Park, Suwon, KR;
Joon-Ho Chang, Ansan, KR;
Jong-Ho Kim, Hwasung, KR;
Ehwa Diamond Industrial Co., Ltd., Osan, Kyungki-Do, KR;
General Tool, Inc., Irvine, CA (US);
Abstract
The invention provides a cutting segment for a cutting tool for cutting or drilling a brittle work piece such as stone, bricks, concrete and asphalt, and a cutting tool having the cutting segment. The cutting segment includes a cutting surface for cutting a work piece and a plurality of abrasive particle layers. The abrasive particle layers are disposed perpendicular to a cutting direction. Each of the abrasive layers has a plurality of abrasive particle rows in a width direction of the cutting segment. Each of the abrasive rows has a plurality of abrasive particles arranged in a line. Further, the abrasive layers have a plurality of blank sections therebetween. In the blanks sections, abrasive particles are absent or have a concentration of 70% or less with respect to those in the abrasive rows. In addition, the blank sections include relatively thick blank sections and relatively thin blank sections.