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2 032 950

(13)

(51)

IPC

(21) (22)

Application

4911577/07, 1991-01-21

(22)

Actual filing date

1991-01-21

(45)

Published

1995-04-10

(72)

Inventor

Oskolkov E.A.Suslov V.E.Grachev M.I.Tiflov V.V.Oskolkova G.V.Shiljaeva L.S.Arkharov V.A.

(73)

Holder

Gushchin Vitalij Aleksandrovich

PROCESS OF MANUFACTURE OF HEAT-RESISTANT CABLES Russian patent published in 1995 - IPC

Abstract RU 2032950 C1

FIELD: electrical engineering. SUBSTANCE: tubular saw 2 is placed into tubular sheath 3. Clearance 4 between them is filled with mineral insulation composed of magnesite powder. Compacting of insulation powder is accomplished with stream directed into clearance 4 and centering rod within filling zone. Compacting is conducted till powder density is 1.0-1.2 g/qu.cm. After this dragging of cable with periodic annealing is performed. In process of dragging mandrel attached to hollow rod is used which is positioned in hole of bundle. EFFECT: facilitated manufacture. 4 dwg, 1 tbl

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RU 2 032 950 C1

Authors

Oskolkov E.A.

Suslov V.E.

Grachev M.I.

Tiflov V.V.

Oskolkova G.V.

Shiljaeva L.S.

Arkharov V.A.

Dates

1995-04-10—Published

1991-01-21—Filed