WELL EXPANDER Russian patent published in 2005 - IPC

Abstract RU 2244796 C1

FIELD: mining industry.

SUBSTANCE: device has chisel, body, rock-destroying means placed in side grooves of body with guides, stabilizer, mounted moveably on the body and provided with connection sleeve and rock-destroying means, additional connection sleeve, moveably mounted on body and made with side stopping ports, wherein rock-destroying means are placed.

EFFECT: broader functional capabilities, higher efficiency.

3 cl,1 dwg

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RU 2 244 796 C1

Authors

Kerimov V.A.

Bashkatov A.D.

Kerimov Gennadij Vaidovich

Kljukvin V.Ju.

Dates

2005-01-20—Published

2003-10-23—Filed