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2 101 110

(13)

C1

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IPC

(21) (22)

Application

96122415/02, 1996-11-20

(22)

Actual filing date

1996-11-20

(45)

Published

1998-01-10

(72)

Inventor

Skvortsova L.B.Chumaevskij V.A.Klepikova L.P.Nabatova E.A.

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa

METHOD OF PREPARING WIRE SURFACE BEFORE WIREDRAWING Russian patent published in 1998 - IPC

Abstract RU 2101110 C1

FIELD: wire making. SUBSTANCE: wire is pretreated with 15% sulfuric acid at 70-75 C and under-lubrication layer with concentration 35-90 g/l at 90-95 C, the layer being composed of (in wt %): sodium tripolyphosphate, 4-6; sodium metasilicate, 2-4; commercial soda, 8-12; surfactant 0.5-1.5; tincal (crude borax), the balance. EFFECT: provided continuous film between wire and draw ring surfaces, reduced hygroscopicity of coating, and improved drawing process.

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RU 2 101 110 C1

Authors

Skvortsova L.B.

Chumaevskij V.A.

Klepikova L.P.

Nabatova E.A.

Dates

1998-01-10—Published

1996-11-20—Filed

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