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2 086 772

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C1

(51)

IPC

(21) (22)

Application

95115494/03, 1995-09-04

(22)

Actual filing date

1995-09-04

(45)

Published

1997-08-10

(72)

Inventor

Chuprikov A.E.Lapin V.A.Gil'Denberg A.I.

(73)

Holder

Rossijskij Nauchno-Issledovatel'Skij Institut Gorno-Spasatel'Nogo Dela

METHOD OF ISOLATING EMERGENCY SECTION IN UNDERGROUND WORKING Russian patent published in 1997 - IPC

Abstract RU 2086772 C1

FIELD: mining industry. SUBSTANCE: for higher strength and hermetic sealing of isolating structure, reduction of material and labour cost, technological procedure according to method implies drilling of bore-holes into emergency underground working, casing them. Erected through casing pipes is barrier partition made of elastic members. This barrier partition is made frozen by introducing freezing perforated column into body of barrier partition, and injection into bore-hole of viscous-dispersed slurry, and delivering low-temperature cryogenic aerosol. EFFECT: high efficiency. 1 cl, 2 dwg

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RU 2 086 772 C1

Authors

Chuprikov A.E.

Lapin V.A.

Gil'Denberg A.I.

Dates

1997-08-10—Published

1995-09-04—Filed

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