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2 025 164

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Application

5034166/27, 1992-03-25

(22)

Actual filing date

1992-03-25

(45)

Published

1994-12-30

(72)

Inventor

Gridnevskij V.I.Antipanov V.G.Ruzankin K.V.Shutkin S.A.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Metallurgicheskij Kombinat"

PASS SYSTEM FOR PRODUCING BENT CHANNEL BARS WITH UNEQUAL STRIPS Russian patent published in 1994 - IPC

Abstract RU 2025164 C1

FIELD: plastic working of metals. SUBSTANCE: pass system has intermediate roughing passes and finishing nonsymmetrical passes formed by conical and cylindrical forming members of upper and lower rolls. All intermediate passes are closed by flange of upper roll disposed adjacent to larger-width conical member. EFFECT: increased quality of bent channel bars with unequal strips by improved geometry. 2 dwg

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RU 2 025 164 C1

Authors

Gridnevskij V.I.

Antipanov V.G.

Ruzankin K.V.

Shutkin S.A.

Dates

1994-12-30—Published

1992-03-25—Filed

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