CUTTER FOR EARTH-MOVING MACHINES Russian patent published in 1994 - IPC

Abstract RU 2019651 C1

FIELD: ground excavation and transportation. SUBSTANCE: material hardness of cutting part decreases from side faces to longitudinal plane of cutter symmetry and additionally decreases from front to rear faces. Ratio of maximum hardness to minimum hardness in direction from side faces to longitudinal plane of cutter symmetry is less than respective ratio in direction from front to rear faces. EFFECT: reduced nonuniform wear of cutting part. 3 dwg

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RU 2 019 651 C1

Authors

Вystrov Ju.А.

Dates

1994-09-15—Published

1991-05-15—Filed