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2 014 463

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IPC

(21) (22)

Application

4915800/03, 1991-03-04

(22)

Actual filing date

1991-03-04

(45)

Published

1994-06-15

(72)

Inventor

Kipko Eh.Ja.Polozov Ju.A.Spichak Ju.N.Vasil'Ev V.V.

(73)

Holder

Spetsial'Noe Proizvodstvennoe Geologicheskoe Ob"Edinenie Po Tamponazhnym I Geologorazvedochnym Rabotam

METHOD FOR CONTROLLING STANDARD OF PLUGGING IN ERECTION OF MINE WORKINGS Russian patent published in 1994 - IPC

Abstract RU 2014463 C1

FIELD: mining industry. SUBSTANCE: to enhance reliable estimation of standard of water-insulating work and to curtail expenditures of funds and materials for checking quality of work after injection of design amount of solution, method involves closing check valve of pressure pipeline and measuring steady residual pressure by pressure gauge. Required and sufficient value of said pressure shall be higher than, or equal to, design value found from submitted formula. EFFECT: higher efficiency. 6 dwg

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RU 2 014 463 C1

Authors

Kipko Eh.Ja.

Polozov Ju.A.

Spichak Ju.N.

Vasil'Ev V.V.

Dates

1994-06-15—Published

1991-03-04—Filed