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2 276 730

(13)

(51)

IPC

E21D23/00(2006-01-01)

(21) (22)

Application

2004138377/03, 2004-12-27

(24)

Start date

2004-12-27

(22)

Actual filing date

2004-12-27

(45)

Published

2006-05-20

(72)

Inventor

Ovcharenko Grigorij Vasil'EvichBregman Mikhail LazarevichSidorenko Andrej AleksandrovichOvcharenko Denis Grigor'Evich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Sankt-Peterburgskij Gosudarstvennyj Gornyj Institut Im. G.V. Plekhanova Universitet)

AIR-OPERATED POWERED SUPPORT Russian patent published in 2006 - IPC E21D23/00

Abstract RU 2276730 C1

FIELD: mining.

SUBSTANCE: air-operated powered support comprises base beams secured to the even and uneven air vessels and mechanism for movement. The air vessels are triangle, and the bases of the vessels abuts against the base beams. The cross-section of the beams increases in the direction to the holding device of the mechanism for movement.

EFFECT: enhanced reliability.

4 dwg

Similar patents RU2276730C1

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RU 2 276 730 C1

Authors

Ovcharenko Grigorij Vasil'Evich

Bregman Mikhail Lazarevich

Sidorenko Andrej Aleksandrovich

Ovcharenko Denis Grigor'Evich

Dates

2006-05-20—Published

2004-12-27—Filed