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2 337 778

(13)

(51)

IPC

B21D7/28(2006-01-01)

B21C1/06(2006-01-01)

(21) (22)

Application

2007105645/02, 2007-02-14

(24)

Start date

2007-02-14

(22)

Actual filing date

2007-02-14

(45)

Published

2008-11-10

(72)

Inventor

Parshin Sergej Vladimirovich

(73)

Holder

Gosudarstvennoe Obshcheobrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Tekhnicheskij Universitet-Upi"

MILL FOR OBTAINING OVAL PROFILE PIPES Russian patent published in 2008 - IPC B21D7/28 B21C1/06

Abstract RU 2337778 C1

FIELD: technological processes.

SUBSTANCE: mill includes advancing sprocket with drive carrying hoist tongs, and reel-off desk for pipe coil. Reel-off desk features additional advancing sprocket with brake device. In addition, a pipe arm fed to advancing sprocket carries adjustable tension roller unit mounted in front of the advancing sprocket, and speed of pipe descent from advancing sprocket is set lower than rotational speed of advancing sprocket.

EFFECT: expanded technological capacities.

2 cl, 3 dwg

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RU 2 337 778 C1

Authors

Parshin Sergej Vladimirovich

Dates

2008-11-10—Published

2007-02-14—Filed