ROOT UNDERCUTTING METHOD Russian patent published in 1998 - IPC

Abstract RU 2111647 C1

FIELD: forestry, in particular, silvicultural reclamation works for growing of seedlings in nurseries. SUBSTANCE: method involves undercutting roots by applying advancing force of cutting tool by pulling device; imparting oscillatory motion to cutting tool at frequency defined by draft of cutting tool advancing through soil. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 1 dwg

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RU 2 111 647 C1

Authors

Labzin V.A.

Nevzorov V.N.

Dates

1998-05-27—Published

1994-10-10—Filed