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2 158 643

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IPC

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Application

99101391/02, 1999-01-22

(24)

Start date

1999-01-22

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Actual filing date

1999-01-22

(45)

Published

2000-11-10

(72)

Inventor

Bubnov S.Ju.Evsjukov V.N.Zatonskikh V.B.Rakitin S.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

APPARATUS FOR BENDING THIN-SHEET ANGLES Russian patent published in 2000 - IPC

Abstract RU 2158643 C2

FIELD: equipment for plastic metal working, namely for bending shapes in machine engineering industry branches. SUBSTANCE: apparatus includes stationary die with recess and shaping member of rotary die-half having two dents. Shape of one dent corresponds to that of recess of stationary die. At bending process dent of shaping member enters recess of stationary die. It provides stable geometry of deformed portion and formation of protruded zone having three layers and providing fluid tightness of butt. EFFECT: improved design of apparatus, enhanced quality of bent angles. 11 dwg

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RU 2 158 643 C2

Authors

Bubnov S.Ju.

Evsjukov V.N.

Zatonskikh V.B.

Rakitin S.A.

Dates

2000-11-10—Published

1999-01-22—Filed

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