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(19)

(11)

2 800 273

(13)

(51)

IPC

B21B17/02(2006-01-01)

B21B45/04(2006-01-01)

B24C1/00(2006-01-01)

B24C3/16(2006-01-01)

(21) (22)

Application

2022124831, 2022-09-21

(24)

Start date

2022-09-21

(22)

Actual filing date

2022-09-21

(45)

Published

2023-07-19

(72)

Inventor

Gafiyatullin Rinat ShamilevichGrebenkin Aleksej DmitrievichShtejnikov Sergej Petrovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennostyu Zavod Nasosnykh Komplektuyushchikh"

METHOD FOR PROCESSING STEEL BILLET PIPES TO PRODUCE COLD-ROLLED PIPES Russian patent published in 2023 - IPC B21B17/02 B21B45/04 B24C1/00 B24C3/16

Abstract RU 2800273 C1

FIELD: steel processing.

SUBSTANCE: invention relates to a method for processing steel billets to produce cold-rolled pipes. Jet cleaning of the inner surface of the billet is carried out when a jet of particles is fed through a hollow rod with a head having a conical surface. The billet is cold-rolled by rollers on a mandrel and straightened, followed by pipe cutting.

EFFECT: metal waste is reduced during production.

5 cl, 1 dwg

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RU 2 800 273 C1

Authors

Gafiyatullin Rinat Shamilevich

Grebenkin Aleksej Dmitrievich

Shtejnikov Sergej Petrovich

Dates

2023-07-19—Published

2022-09-21—Filed