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2 443 496

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(51)

IPC

B21K21/00(2006-01-01)

B21J5/10(2006-01-01)

B21J13/02(2006-01-01)

B22D18/02(2006-01-01)

B22D27/00(2006-01-01)

(21) (22)

Application

2010130549/02, 2010-07-22

(24)

Start date

2010-07-22

(22)

Actual filing date

2010-07-22

(45)

Published

2012-02-27

(72)

Inventor

Pasechnik Nikolaj Vasil'EvichSivak Boris AleksandrovichBelousov Igor' JakovlevichSaprykin Anatolij AleksandrovichFinogeev Oleg AlekseevichVinogradov Valerij AleksandrovichMurin Mikhail VjacheslavovichBeljakin Aleksandr Gennad'Evich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Aktsionernaja Kholdingovaja Kompanija Nauchno-Issledovatel'Skij I Proektno-Konstruktorskij Institut Metallurgicheskogo Mashinostroenija Imeni Akademika Tselikova" Akhk

METHOD OF PRODUCING ARTICLES WITH CAVITIES BY THIXOMOULDING AND CLOSED MOULD TO THIS END Russian patent published in 2012 - IPC B21K21/00 B21J5/10 B21J13/02 B22D18/02 B22D27/00

Abstract RU 2443496 C1

FIELD: process engineering.

SUBSTANCE: invention relates to metallurgy and may be used in moulding complex-shape articles from aluminium alloys by thixomoulding. Billet is deformed in closed mould at press. Billet is pierced by top male die and bottom fixed male die. At the same time, deformed metal is supported by press pusher forced downward by metal pressure. Note here that cavity for surplus metal is formed. Then die forging is carried out by acting by pusher on surplus metal. Note also that pusher diameter is defined by relationship cited in description.

EFFECT: uniform filling of mould cavities, higher quality of moulded articles.

2 cl, 3 dwg

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RU 2 443 496 C1

Authors

Pasechnik Nikolaj Vasil'Evich

Sivak Boris Aleksandrovich

Belousov Igor' Jakovlevich

Saprykin Anatolij Aleksandrovich

Finogeev Oleg Alekseevich

Vinogradov Valerij Aleksandrovich

Murin Mikhail Vjacheslavovich

Beljakin Aleksandr Gennad'Evich

Dates

2012-02-27—Published

2010-07-22—Filed