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2 291 015

(13)

(51)

IPC

B21D22/02(2006-01-01)

(21) (22)

Application

2004129713/02, 2004-10-13

(24)

Start date

2004-10-13

(22)

Actual filing date

2004-10-13

(45)

Published

2007-01-10

(72)

Inventor

Chinnov Aleksandr VladimirovichZarubin Mikhail Grigor'EvichLuzgin Aleksej Anatol'Evich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod Khimkontsentratov"

DIE SET FOR FORMING DENTS IN TUBULAR PART Russian patent published in 2007 - IPC B21D22/02

Abstract RU 2291015 C2

FIELD: plastic working of metals, possibly manufacture of parts of tubular blanks.

SUBSTANCE: die set includes movable plate with cone and fixed plate supporting lower die with recesses and protruded portions and slides. Working surface of slides corresponds to configuration of formed members. Cone has two rings; one ring is rigidly joined with movable plate, it is provided with outer thread and engages with slides for forming dent of tubular part. Other ring is mounted with possibility of vertical adjustment by means of threaded annular members. The last move on ring joined with movable plate. Said other ring engages with slides for forming recesses of tubular part.

EFFECT: enlarged manufacturing possibilities of die set, improved geometry accuracy of formed parts.

3 cl, 3 dwg

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RU 2 291 015 C2

Authors

Chinnov Aleksandr Vladimirovich

Zarubin Mikhail Grigor'Evich

Luzgin Aleksej Anatol'Evich

Dates

2007-01-10—Published

2004-10-13—Filed