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:
Jan. 29, 2013
Filed:
Feb. 23, 2007
Tae-woong Kim, Seoul, KR;
Joong-cheul Yun, Seoul, KR;
Young-choul Song, Kyungki-do, KR;
Sang-beom Kim, Seoul, KR;
Jung-nam Park, Kyungki-do, KR;
Suk-hyun Yoo, Kyungki-do, KR;
Tae-bong Kim, Kyungki-do, KR;
Tae-Woong Kim, Seoul, KR;
Joong-Cheul Yun, Seoul, KR;
Young-Choul Song, Kyungki-do, KR;
Sang-Beom Kim, Seoul, KR;
Jung-Nam Park, Kyungki-do, KR;
Suk-Hyun Yoo, Kyungki-do, KR;
Tae-Bong Kim, Kyungki-do, KR;
EWHA Diamond Industrial Co., Ltd., Kyungki-Do, KR;
Abstract
The present invention relates to a cutting tip for a cutting tool, which is used in cutting or drilling a brittle workpiece such as stone, bricks, concrete, and asphalt and has an excellent cutting speed and a long lifetime, a method of manufacturing the cutting tip, and a cutting tool including the cutting tip. The cutting tip includes an abrasive material and a sintered bonding material, wherein the bonding material is formed of a metal matrix; the metal matrix includes a phase II and/or pore having a certain size at a certain volume fraction; and the phase II is one of a non-metallic inclusion and ceramic. According to an aspect of the present invention, there is provided a cutting tip having excellent cutting speed and a long lifetime at a much lower price.