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2 451 183

(13)

(51)

IPC

E21D23/06(2006-01-01)

(21) (22)

Application

2010148811/03, 2010-11-29

(24)

Start date

2010-11-29

(22)

Actual filing date

2010-11-29

(45)

Published

2012-05-20

(72)

Inventor

Bolobov Viktor IvanovichGabov Viktor Vasil'EvichTalerov Mikhail PavlovichTalerov Konstantin Pavlovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Gornyj Institut Imeni G.V. Plekhanova Universitet)"

SHEARING SHIELD OF POWERED ROOF SUPPORT SECTION Russian patent published in 2012 - IPC E21D23/06

Abstract RU 2451183 C1

FIELD: mining.

SUBSTANCE: shearing shield of powered roof support section includes hydraulic cylinder, cleavers with wedge-like crack-formers and wedge-like dividers. Note that crack-formers and dividers are arranged in perpendicular plains and have stepped shape and their cutting edges are blunted.

EFFECT: decrease of regrinding, decrease of energy output of coal destruction and other rocks and exclusion of boulders output.

4 dwg

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RU 2 451 183 C1

Authors

Bolobov Viktor Ivanovich

Gabov Viktor Vasil'Evich

Talerov Mikhail Pavlovich

Talerov Konstantin Pavlovich

Dates

2012-05-20—Published

2010-11-29—Filed