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2 428 267

(13)

(51)

IPC

B21B13/10(2006-01-01)

(21) (22)

Application

2009122739/02, 2009-06-15

(24)

Start date

2009-06-15

(22)

Actual filing date

2009-06-15

(45)

Published

2011-09-10

(72)

Inventor

Mintakhanov Mikhail AlekseevichSamokhin Boris IvanovichBednjakov Vladimir VladimirovichMintakhanov Aleksej Mikhajlovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod Tjazhelogo Mashinostroenija"

LONGITUDINAL ROLLING MILL THREE-ROLL STAND Russian patent published in 2011 - IPC B21B13/10

Abstract RU 2428267 C2

FIELD: process engineering.

SUBSTANCE: invention relates to metallurgy, particularly, to production of seamless tubes and bars. Proposed stand comprises foundation, three encased rolls arranged through 120° and roll case turn drive. Said foundation is made up of two semi-foundations, rigidly jointed together. Roll cases are hinged with support pins arranged in one of said semi-foundations, roll case drive is made up of hydraulic cylinders mounted in another semi-foundation. Note here that angle between plane passing through support pin and working roll axes and semi-foundations joint plane exceeds that of roll bite.

EFFECT: regulated rolls opening and closing speeds.

3 dwg

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RU 2 428 267 C2

Authors

Mintakhanov Mikhail Alekseevich

Samokhin Boris Ivanovich

Bednjakov Vladimir Vladimirovich

Mintakhanov Aleksej Mikhajlovich

Dates

2011-09-10—Published

2009-06-15—Filed