To provide a tip structure of a diamond blade capable of being used for a long time when compared with a conventional diamond blade even when polishing a concrete surface by utilizing a side face of a sintered body.
In this diamond blade in which the ringlike sintered body 13 which is like a ring made of a mixture of diamond powders and metallic powders and has grooves 16 alternately on front and rear surfaces and in which a plurality of chips 15 are continuous is formed at the outer periphery of a disclike disc body 12 provided with a flangelike mounting boss 10 on a face on one side, a thickness of the ringlike sintered body 13 is larger than that of the disc body 12, the center of its thickness is eccentric relative to the center of the thickness of the disc body 12, and a side where there is not the mounting boss 10 is thicker than a side where there is the mounting boss 10.
DOI YOSHIJI
KUROKAWA TOMONORI
| JPS5373594U | 1978-06-20 | |||
| JPS58136261U | 1983-09-13 |