Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1991-07-08
1993-03-30
Kisliuk, Bruce M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51220, B24B 904
Patent
active
051972271
ABSTRACT:
A dental curet and sharpening machine has been developed for complete mechanical guidance of the instruments during the sharpening procedure. Double-ended dental curets comprising cutting blades, shanks, and a handle have been designed so that regardless of the instrument's rake angle, the arc center of the toe on the face of the cutting blade which is to be sharpened lies on the longitudinal center axis of the instrument and at a constant distance from the reference points on the instrument handle. The sharpening machine comprises a base, an electrical motor with a rotating sharpening stone, and an instrument guide unit. The instrument guide unit can position the blade face of a curet of any rake angle in a horizontal plane with the arc center of the toe on the blade's face coincident with a vertical axis about which the guide unit is swung while the blade is engaged with the rotating stone during the cutting procedure. The invention comprises three aspects: 1) the curets; 2) the sharpening machine; and 3) the method of sharpening curets.
REFERENCES:
patent: 1350951 (1920-08-01), Artmaier
patent: 2114757 (1938-04-01), Yerkes
patent: 2380988 (1945-08-01), Mudler
patent: 2544097 (1951-03-01), Lentz
patent: 2578309 (1951-12-01), Kroczek
patent: 4535570 (1985-08-01), Ochiai et al.
Nordent Catalog No. 103, pp. 16-17, 1982.
Kisliuk Bruce M.
Marlott John A.
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