CUTTING TOOL FOR MAKING HOLES Russian patent published in 1994 - IPC

Abstract RU 2019410 C1

FIELD: tire-manufacturing industry. SUBSTANCE: screw thread on forming cone-shaped surface is of standard metric single-thread pattern. The smallest diameter of inside cone-shaped surface forming cutting edge is equal to diameter of cylindrical forming surface of bases of grooves of screw thread. As the tool is fed into wall of workpiece its portion subjected to cutting is exposed to two-axis compression and goes into engagement with screw thread to facilitate its removal. EFFECT: enhanced operating capability. 3 dwg

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RU 2 019 410 C1

Authors

Рonomarev Аnatolij Grigor'Evich

Мal'Tsev Sergej Georgievich

Dates

1994-09-15—Published

1992-01-16—Filed