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2 011 761

(13)

C1

(51)

IPC

(21) (22)

Application

4941742/03, 1991-06-03

(22)

Actual filing date

1991-06-03

(45)

Published

1994-04-30

(72)

Inventor

Terskov A.D.Kostylev A.D.Tkach Kh.B.Smoljanitskij B.N.

(73)

Holder

Institut Gornogo Dela So Ran

DEVICE FOR DRIVING PIPE INTO SOIL Russian patent published in 1994 - IPC

Abstract RU 2011761 C1

FIELD: civil engineering. SUBSTANCE: device comprises central impact mechanism with casing, adapter with flange and thrust unit with thrust device and thrust bushing. Thrust unit has the form of reversible pneumatic drift. Casing of said drift has a pointed nose end and can interact with thrust bushing. Flange has a hole for the passage of pneumatic drift casing. EFFECT: improved design. 7 cl, 6 dwg

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RU 2 011 761 C1

Authors

Terskov A.D.

Kostylev A.D.

Tkach Kh.B.

Smoljanitskij B.N.

Dates

1994-04-30—Published

1991-06-03—Filed

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