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2 069 602

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C1

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IPC

(21) (22)

Application

5019542/02, 1991-12-25

(22)

Actual filing date

1991-12-25

(45)

Published

1996-11-27

(72)

Inventor

Tolkacheva E.P.Krasnov A.V.Astakhov S.I.Kaganov A.G.

(73)

Holder

Aktsionernoe Obshchestvo Invest"

METHOD TO PRODUCE PIECES OF POWDER QUICK-CUTTING STEEL Russian patent published in 1996 - IPC

Abstract RU 2069602 C1

FIELD: metal sheet rolling. SUBSTANCE: metal sheet rolling is exercised during blank heating up to temperature of 950 - 1000 C. First runs are carried out with deformation degree of 20 - 22 % and rolling is finished in temperature interval of 780 - 800 C with deformation degree of no less than 50 %. EFFECT: improved process. 1 tbl

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RU 2 069 602 C1

Authors

Tolkacheva E.P.

Krasnov A.V.

Astakhov S.I.

Kaganov A.G.

Dates

1996-11-27—Published

1991-12-25—Filed

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