Diamond blade having rim type cutting tip for use in...

Details Diamond blade having rim type cutting tip for use in... Diamond blade having rim type cutting tip for use in...

2005-05-10

2005-05-10

Nguyen, George (Department: 3723)

Abrading

Rigid tool

Rotary cylinder

C451S542000, C451S548000

Reexamination Certificate

active

06890250

ABSTRACT:
A diamond blade having rim type cutting tip for use in apparatus such as cutting saw machine having a structure which rim type cutting tip is able to produce cutting chips with relative large size during cutting operation so that those chips are easily discharged outside with reducing the friction with cutting tip of blade, thereby to increase cutting ability and to prevent the chips dispersing in the air and giving rise to the bad effects to user's health and the contamination of environment. The diamond blade according to the present invention comprises a wheel body connected with a shaft of electric motor, and rim type cutting tip for cutting or grinding crushable materials disposed on the circumference of the wheel body and composed of at least two diamond layers longitudinally disposed parallel with the rotation direction of the blade in which diamond particles are included, and non-diamond portion disposed between the diamond layers in which diamond particles are not included.

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patent: 3048160 (1962-08-01), Griffin et al.
patent: 5018276 (1991-05-01), Asada
patent: 6155247 (2000-12-01), Akram et al.
patent: 6638152 (2003-10-01), Kim et al.
patent: 2438601 (1976-02-01), None
patent: 1010318 (1965-11-01), None

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