BLADE CHISEL Russian patent published in 2004 - IPC

Abstract RU 2243347 C1

FIELD: mining industry.

SUBSTANCE: device has body, replaceable blades, piloting end piece and rotary cutters, axis of a rotary cutter lies in a plane parallel to blade plane, and is directed at angle to blade axis, passing through point, lying on surface, limited with diameter of well on the side of its face.

EFFECT: higher effectiveness, higher reliability.

3 cl, 4 dwg

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RU 2 243 347 C1

Authors

Cherkasov V.I.

Kravchenko A.E.

Bebenin V.Ju.

Dates

2004-12-27—Published

2003-09-23—Filed