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2 197 385

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IPC

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Application

2001125067/12, 2001-09-13

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Start date

2001-09-13

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Actual filing date

2001-09-13

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Published

2003-01-27

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Inventor

Ponomarev A.V.Petrjakov V.V.Chernovskij V.N.Lankin Ju.Ja.Sorokin V.M.Stolypin E.V.Aleksandrov V.N.Gruzdev A.A.Tarabrin G.G.Gorda V.G.Zul'Korneev Ju.F.Gorin A.S.Lobach V.P.Soshchenko A.E.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Aktsionernaja Kompanija Po Transportu Nefti

PLANT FOR PRODUCTION OF INSULATING TAPE Russian patent published in 2003 - IPC

Abstract RU 2197385 C1

FIELD: transportation of various products and substances through pipes, more specifically, technology of production of insulating tape for protection from soil corrosion of main oil and gas pipelines, sewer pipes, etc. SUBSTANCE: plant has unwinding device, flexible tape welding unit, insulating mastic application unit, tape thickness calibration unit, tape pulling device, accumulating device, tape cooling device, antiadhesive material application unit, and unit for tape coiling. Flexible tape welding unit has base to which heating element is hinged. Heating element has heat-insulating layer and bosses on its lower surface. Welding unit also has guide roller and control apparatus unit ensuring preset temperature of heating element and time taken for welding. Located between lap-welded flexible tape and heating element is shield with windows for projection of heating element bosses. Accumulating device is made in the form of loop-shaped accumulator with system of transducers. Transducers are connected with control unit of drive of tape pulling device and with control unit of drive of tape coiling unit. They provide for control of tape pulling speed and speed of tape coiling depending on loop size. EFFECT: excluded tape break in zone of welding and increased efficiency of plant operation. 5 dwg

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RU 2 197 385 C1

Authors

Ponomarev A.V.

Petrjakov V.V.

Chernovskij V.N.

Lankin Ju.Ja.

Sorokin V.M.

Stolypin E.V.

Aleksandrov V.N.

Gruzdev A.A.

Tarabrin G.G.

Gorda V.G.

Zul'Korneev Ju.F.

Gorin A.S.

Lobach V.P.

Soshchenko A.E.

Dates

2003-01-27—Published

2001-09-13—Filed

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