HARD-ALLOY NOSE OF ROTATING CUTTING TOOL Russian patent published in 1997 - IPC

Abstract RU 2087709 C1

FIELD: mining industry, particular, manufacture of cutting tools for mining and road-building machines. SUBSTANCE: the offered hard-alloy nose has cutting, cylindrical, flange and bearing parts. Located on conical surface of bearing part are two groups of projections. Ratio of diameters of circumferences on which respective protrusions are located amounts to 1.3-1.5. Centering members are located on cylindrical surface of flange part. Protrusions are shifted relative to one another over circumference. EFFECT: higher efficiency. 2 cl, 2 dwg

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RU 2 087 709 C1

Authors

Kostjuchenko A.V.

Dates

1997-08-20—Published

1994-04-19—Filed