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2 113 300

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IPC

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Application

97112043/02, 1997-07-25

(22)

Actual filing date

1997-07-25

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Published

1998-06-20

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Inventor

Popov V.A.Egorov N.M.Avseenko I.M.Zankov O.I.Rodionov A.A.Chekhovskikh A.V.Kochkin A.V.Utkin L.E.V'Jugina L.A.Maturina L.F.Toporov V.N.Konovalov A.A.Kozlov M.Ju.Pavljukov Ju.S.Puljaev V.S.Rjabov I.E.Zhuchkov A.I.Ruzaev V.A.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD FOR MANUFACTURING OF DRAWN HOLLOW ARTICLES Russian patent published in 1998 - IPC

Abstract RU 2113300 C1

FIELD: plastic metal working. SUBSTANCE: method involves use of utilized projectile case with extended bottom as blank for drawing. Preparation operation involves mechanical processing to decrease outer size of projectile case bottom down to thickness of wall of jacket piece which is adjacent to bottom. Outer diameter of extended end is decreased down to diameter of article. Blank is drawn to die from its bottom end, which is connected to pulling assembly by means of grip. EFFECT: use of utilized projectile case provides increased precision of article size, increased reliability of manufacturing. 1 dwg

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RU 2 113 300 C1

Authors

Popov V.A.

Egorov N.M.

Avseenko I.M.

Zankov O.I.

Rodionov A.A.

Chekhovskikh A.V.

Kochkin A.V.

Utkin L.E.

V'Jugina L.A.

Maturina L.F.

Toporov V.N.

Konovalov A.A.

Kozlov M.Ju.

Pavljukov Ju.S.

Puljaev V.S.

Rjabov I.E.

Zhuchkov A.I.

Ruzaev V.A.

Dates

1998-06-20—Published

1997-07-25—Filed

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