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2 103 089

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C1

(51)

IPC

(21) (22)

Application

96122303/02, 1996-11-20

(22)

Actual filing date

1996-11-20

(45)

Published

1998-01-27

(72)

Inventor

Antipanov V.G.Afanas'Ev V.F.Krivonosov S.V.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kompleks"

ROLL GROOVED PASS SYSTEM FOR MAKING BENT U-SHAPED SECTIONS Russian patent published in 1998 - IPC

Abstract RU 2103089 C1

FIELD: plastic metal working, namely equipment for making bent U-shaped sections. SUBSTANCE: system includes upper and lower rolls mounted with gap S and having cylindrical and cone forming members defining successively arranged rough, intermediate and finishing passes. Part of said passes is closed by beads of working rolls. At piece production of sections with thickness 0.7-1.5 mm difference of inclination angles α of envelopes of cone members relative to horizon in adjacent intermediate passes Δα is equal to 16-18 degrees. All passes up to angle α equal to 42 degrees are closed by roll beads. Height of mean shaping member of upper roll of last pass is more than its depth in lower roll by 0.2S; width of said member is less than width of said pass by 2.3 S. EFFECT: improved design. 1 dwg

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RU 2 103 089 C1

Authors

Antipanov V.G.

Afanas'Ev V.F.

Krivonosov S.V.

Dates

1998-01-27—Published

1996-11-20—Filed

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