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(19)

RU

(11)

2 030 543

(13)

C1

(51)

IPC

(21) (22)

Application

4911378/03, 1991-02-14

(22)

Actual filing date

1991-02-14

(45)

Published

1995-03-10

(72)

Inventor

Ali-Zade Vagif Alekperovich[Az]Ismail-Zade Oktaj Makhmud Ogly[Az]

(73)

Holder

Azerbajdzhanskij Industrial'Nyj Universitet Im.M.Azizbekova

SPIDER Russian patent published in 1995 - IPC

Abstract RU 2030543 C1

FIELD: well drilling and repair. SUBSTANCE: spider body is made for self-installation on wellhead pipe flange relative to axis of gripped pipe. Hinged symmetrically to body upper part are U-shaped handles. Removable shelves are made for installation to under wellhead pipe flange and being embraced by means of U-shaped handles. After installation, handles are interconnected by easily detachable spring clamps. EFFECT: higher reliability of slider due to self-aligning of its axes and lifted or lowered pipes, reduced time of installation and dismantling of spider. 1 dwg

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RU 2 030 543 C1

Authors

Ali-Zade Vagif Alekperovich[Az]

Ismail-Zade Oktaj Makhmud Ogly[Az]

Dates

1995-03-10—Published

1991-02-14—Filed

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