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(19)

(11)

2 098 715

(13)

(51)

IPC

(21) (22)

Application

96115090/06, 1996-07-23

(22)

Actual filing date

1996-07-23

(45)

Published

1997-12-10

(72)

Inventor

Khodyrev A.I.Tychkin I.A.Gafarov N.A.Tkach M.G.Khazandzhiev S.M.Korotkov V.P.

(73)

Holder

Gosudarstvennaja Akademija Nefti I Gaza Im.I.M.GubkinaVserossijskij Nauchno-Issledovatel'Skij Institut Prirodnykh Gazov I Gazovykh Tekhnologij

DEVICE FOR LOWERING CONTROL INSTRUMENT AND SPECIMENS UNDER TEST INTO OPERATING PIPE LINE AND HOISTING THEM FROM IT Russian patent published in 1997 - IPC

Abstract RU 2098715 C1

FIELD: gas, oil, chemical and other industries; operation of compressed gas equipment. SUBSTANCE: device is made in form of winch and crown block fitted above housing; dead end of rope is passed through roller of crown block. Rod is made in form of string with radial holes in upper portion of each rod. Upper end of string is connected with crown block. Upper end of housing is provided with radial hole for mounting the retainer rod which is also received by hole in housing. EFFECT: enhanced reliability. 3 cl, 2 dwg

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RU 2 098 715 C1

Authors

Khodyrev A.I.

Tychkin I.A.

Gafarov N.A.

Tkach M.G.

Khazandzhiev S.M.

Korotkov V.P.

Dates

1997-12-10—Published

1996-07-23—Filed