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2 062 670

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Application

94013576/02, 1994-04-18

(22)

Actual filing date

1994-04-18

(45)

Published

1996-06-27

(72)

Inventor

Panov V.V.Barkov L.A.Sherkunov V.G.Tokar' V.S.Svinin V.I.

(73)

Holder

Cheljabinskij Gosudarstvennyj Tekhnicheskij Universitet

METHOD OF MAKING PRECISION STRIP SHAPES, HAVING CENTRAL GROOVE Russian patent published in 1996 - IPC

Abstract RU 2062670 C1

FIELD: metal pressure forming, namely method of production of strip shapes having shaped profile with small cross section area. SUBSTANCE: method comprises steps of deforming identical rough blanks butt-joined in common two-roll sizing and final universal roll grooved passed, performing butt-joining of the identical blanks by their flat bases; displacing front end of lower part of the builtup blank guided in the common two-roll grooved pass, along rolling axis forwards relative to upper part by distance, equal to distance from nose of inlet equipment until plane of working rolls axis. The method provides effective production of profiles of rims of spectacle frame. EFFECT: enhanced efficiency and high-quality of rolled precision strip having central groove and small cross section area. 1 cl, 6 dwg

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RU 2 062 670 C1

Authors

Panov V.V.

Barkov L.A.

Sherkunov V.G.

Tokar' V.S.

Svinin V.I.

Dates

1996-06-27—Published

1994-04-18—Filed

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