Patent Number: 6,612,300

Title: Cutting method for hard, brittle materials

Abstract: The present invention provides a cutting method for hard, brittle materials that is capable of completely cutting through hard, brittle materials such as ceramic, glass, concrete, stone and single crystal materials without the occurrence of edge chipping and at high speed. The present invention is characterized by being a method for completely cutting through a hard, brittle material 1 using a disk-shaped rotary grindstone 2, wherein the cross-sectional shape of the outer peripheral edge 20 of rotary grindstone 2 has a V-shaped pointed shape.

Inventors: Mukota; Shinji (Kariya, JP), Ishikawa; Satoshi (Anjyo, JP), Yamaguchi; Satoru (Anjyo, JP), Katou; Hiromi (Kuwana, JP)

Assignee: Denso Corporation

International Classification: B24D 5/12 (20060101); B24D 5/00 (20060101); B24D 3/06 (20060101); B24D 3/04 (20060101); B24B 27/06 (20060101); B28D 1/12 (20060101); B28D 1/02 (20060101); B28D 001/02 ()

Expiration Date: 09/02/2020