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Application

2004113334/03, 2004-04-29

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Start date

2004-04-29

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Actual filing date

2004-04-29

(45)

Published

2005-06-20

(72)

Inventor

Zubov V.P.Ovcharenko G.V.Vasil'Ev S.V.

(73)

Holder

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

CEILING CONTROL METHOD Russian patent published in 2005 - IPC

Abstract RU 2254479 C1

FIELD: mining industry.

SUBSTANCE: method includes erection of pack strips from rock with width 2-3 meters with spaces between them 2.5-5.0 meters. On pack strips pneumatic tanks are mounted. Minimal width of pack strips is taken greater than pneumatic tank width, and height of pack strips is determined from expression h≥m-a-ε_lim (meters), where h - height of pack strip, meters; m - bed massiveness, meters; a - maximal height of pneumatic tank in working state; ε_lim - maximal allowed value of free lowering of ceiling rocks above pack strip with pneumatic tanks, meters.

EFFECT: lower laboriousness, lower costs.

1 dwg

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RU 2 254 479 C1

Authors

Zubov V.P.

Ovcharenko G.V.

Vasil'Ev S.V.

Dates

2005-06-20—Published

2004-04-29—Filed