Park Law firm
Scribing wheel having fine structure recess
Disclosed herein is a scribing wheel having a predetermined thickness and a disk shape. The scribing wheel includes: a wheel body configured in such a way that at least a peripheral edge portion thereof is gradually reduced in thickness from the center to the radial outside; and a cutter part including recesses and cutting blade teeth which are alternately arranged along the peripheral edge portion. Each recess is formed by a combination of side recess portions formed in opposite side surfaces of the peripheral edge portion of the wheel body and an edge recess portion formed in the peripheral edge of the wheel body.
EHWA DIAMOND INDUSTRIAL CO., LTD.
B C Y Y B B B
B28D C03B Y10T Y02P B26D B26D B26D
inventional inventional additional additional inventional additional inventional
Taek Jung Sang Beom Seh Kwang In Sub Sung Hee Chang Ho
Shin Kim Lee Kim Lee Jeon