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2 107 597

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IPC

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Application

96124524/02, 1996-12-27

(22)

Actual filing date

1996-12-27

(45)

Published

1998-03-27

(72)

Inventor

Galkin V.I.Gorbach A.N.

(73)

Holder

Moskovskij Gosudarstvennyj Aviatsionnyj Tekhnologicheskij Universitet Im.K.Eh.Tsiolkovskogo

METHOD OF PIPE PRODUCTION FROM FIBROUS COMPOSITION MATERIALS WITH LONGITUDINAL REINFORCEMENT Russian patent published in 1998 - IPC

Abstract RU 2107597 C1

FIELD: mechanical engineering. SUBSTANCE: billet is assembled directly on expander, fixed on it, and both of them are drawn through drawing die. As a result, compactification under isothermal conditions of deformation is provided. Length of drawing die operating surface is selected from given interval. Prior to drawing, auxiliary casing is set on billet. Longitudinal grooves re specified on internal surface of drawing die. Width of grooves is calculated by given formula. EFFECT: higher efficiency. 1 dwg

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RU 2 107 597 C1

Authors

Galkin V.I.

Gorbach A.N.

Dates

1998-03-27—Published

1996-12-27—Filed

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