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2 553 759

(13)

(51)

IPC

B21D53/78(2006-01-01)

(21) (22)

Application

2014109582/02, 2014-03-12

(24)

Start date

2014-03-12

(22)

Actual filing date

2014-03-12

(45)

Published

2015-06-20

(72)

Inventor

Muljukov Radik RafikovichGaleev Rafail MansurovichValiakhmetov Oleg RajazovichValiakhmetov Artur Olegovich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Uchrezhdenie Nauki Institut Problem Sverkhplastichnosti Metallov Rossijskoj Akademii Nauk Ran)

METHOD TO PRODUCE METAL PROTECTIVE PATCH PIECE Russian patent published in 2015 - IPC B21D53/78

Abstract RU 2553759 C1

FIELD: machine building.

SUBSTANCE: original blank is pre-shaped to form an inner cavity, parallel side walls and a reinforced front part therein. Afterwards a pack for rolling is formed, for this purpose a temporary insert is installed in the cavity of the blank with the help of a device which in the course of rolling prevents the seizure of the blank with the temporary insert by contacting surfaces. Further on, the blank is shaped by rolling in cylindrical rollers.

EFFECT: requirements to the operation of a patch piece are provided for.

10 cl, 4 dwg

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RU 2 553 759 C1

Authors

Muljukov Radik Rafikovich

Galeev Rafail Mansurovich

Valiakhmetov Oleg Rajazovich

Valiakhmetov Artur Olegovich

Dates

2015-06-20—Published

2014-03-12—Filed