Stone working – Sawing – Rotary
Patent
1987-08-27
1989-08-29
Schmidt, Frederick R.
Stone working
Sawing
Rotary
51207, 76112, 30350, B28D 104
Patent
active
048607215
ABSTRACT:
A super abrasive cutting saw includes a cutting saw plate formed with concave sections in spaced relation around its periphery. The concave sections alternate with convex sections. Each successive convex section is bent outward toward the opposite surface of the cutting saw plate from the next convex section. A sinter is bonded to the periphery of the cutting saw blade by heating two bodies of a compressed powder formed of material which includes super abrasives and pressing them on the saw plate to be sintered there. Concave and convex portions of the two bodies are formed fused so that the convexities of each oppose the concavities of the other. The border thus formed is extended in zigzag fashion in the direction of thickness of the cutting saw plate corresponding to concave and convex sections thereof. The concave sections of the periphery of the cutting saw plate are deep enough and the inner rim of the sinter is placed for defining holes through the plate for plate cooling and air turbulence generation.
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Desai Shirish
Sanwa Diamond Industrial Co., Ltd.
Schmidt Frederick R.
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