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2 028 846

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IPC

(21) (22)

Application

5056448/08, 1992-07-27

(22)

Actual filing date

1992-07-27

(45)

Published

1995-02-20

(72)

Inventor

Molchanov A.P.Bobylev Ju.N.Krichevskij E.M.Lamin A.B.Guznenkov V.N.Punin V.I.Zhulidov N.V.Poklonov G.G.Motyrev A.V.Vasin A.A.Morozov N.F.Zelenov V.V.Kiselev A.A.

(73)

Holder

Moskovskij Trubnyj Zavod

TUBE WELDING MILL Russian patent published in 1995 - IPC

Abstract RU 2028846 C1

FIELD: tube welding production. SUBSTANCE: tube welding mill has mounted in series molding stands with vertical and horizontal rollers and a support-welded assembly in the case of which a pair of vertical groove rollers and a horizontal roller forming a caliber with them and placed in the support are mounted. The support-welded assembly also has an additional pair of vertical rollers and an additional horizontal roller forming a caliber with them and having a driving support. The axles of the horizontal rollers are shifted from those of the vertical ones by the value equal to the radius of the vertical roller groove. The supports of both horizontal rollers are connected between themselves with a gear having an idle pinion. EFFECT: facilitated manufacture. 3 dwg

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RU 2 028 846 C1

Authors

Molchanov A.P.

Bobylev Ju.N.

Krichevskij E.M.

Lamin A.B.

Guznenkov V.N.

Punin V.I.

Zhulidov N.V.

Poklonov G.G.

Motyrev A.V.

Vasin A.A.

Morozov N.F.

Zelenov V.V.

Kiselev A.A.

Dates

1995-02-20—Published

1992-07-27—Filed