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2 252 089

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IPC

(21) (22)

Application

2004112160/02, 2004-04-20

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Start date

2004-04-20

(22)

Actual filing date

2004-04-20

(45)

Published

2005-05-20

(72)

Inventor

Livshits D.A.Podkorytov A.L.Abarin V.I.Antonov V.I.Kozlovich V.N.Trusov G.E.Babkin A.G.Barashkov V.M.Jamshchikov A.S.

(73)

Holder

Oao Cheljabinskij Metallurgicheskij Kombinat

BACKUP ROLL OF SKIN PASS ROLLING MILL Russian patent published in 2005 - IPC

Abstract RU 2252089 C1

FIELD: rolled stock production, possibly in skin pass cold rolling mills.

SUBSTANCE: backup roll includes barrel with central cylindrical portion and adjoined to it peripheral portions with cone chamfers further passing to cylindrical end portions. Cone portions has conicity degree from 1:500 to 1:100. Length of peripheral cylindrical portions consists 0.18 -0.4 of barrel length. Invention provides enhanced strength of micro-geometry of polished or notched surface of rolling rolls.

EFFECT: lowered number of operations for changing rolling rolls of mill, possibility for using waste backup rolls.

2 dwg, 2 tbl

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RU 2 252 089 C1

Authors

Livshits D.A.

Podkorytov A.L.

Abarin V.I.

Antonov V.I.

Kozlovich V.N.

Trusov G.E.

Babkin A.G.

Barashkov V.M.

Jamshchikov A.S.

Dates

2005-05-20—Published

2004-04-20—Filed