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2 152 873

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IPC

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Application

99123293/12, 1999-11-10

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Start date

1999-11-10

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Actual filing date

1999-11-10

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Published

2000-07-20

(72)

Inventor

Poliksha A.M.D'Jakov S.P.Kokolev N.V.Gorbatskij I.I.Vokhmjanin D.N.Mulenkov B.P.Karelin V.A.Surovtsev G.N.Vinokurov P.A.

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo

MANDREL FOR MANUFACTURE OF PIPES FROM COMPOSITE MATERIALS Russian patent published in 2000 - IPC

Abstract RU 2152873 C1

FIELD: processing of polymer composite materials. SUBSTANCE: mandrel includes load-bearing rod and form-shaping members mounted on it. Load-bearing rod has holes which are perpendicular relative to axis of mandrel. Form-shaping members for inner recesses are made in form of segment rings provided with circular grooves. These grooves have holes which are perpendicular relative to axis of rings. Segments of rings are secured on load-bearing rod by means of studs made from low-strength material; they are received by holes of ring segments and load-bearing rod. Section of segment of ring has shape of scalene triangle whose obtuse angle is rounded-off. EFFECT: possibility of making inner grooves on article; facilitated removal of mandrel. 1 dwg

Similar patents RU2152873C1

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MANDREL FOR MANUFACTURE OF PIPES FROM COMPOSITE MATERIALS	1999	Poliksha A.M. D'Jakov S.P. Kokolev N.V. Gorbatskij I.I. Vokhmjanin D.N. Mulenkov B.P. Karelin V.A. Surovtsev G.N. Vinokurov P.A. Kotlov S.A. Baev N.M.	RU2152874C1
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RU 2 152 873 C1

Authors

Poliksha A.M.

D'Jakov S.P.

Kokolev N.V.

Gorbatskij I.I.

Vokhmjanin D.N.

Mulenkov B.P.

Karelin V.A.

Surovtsev G.N.

Vinokurov P.A.

Dates

2000-07-20—Published

1999-11-10—Filed