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2 139 158

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IPC

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Application

98111327/02, 1998-06-15

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Start date

1998-06-15

(22)

Actual filing date

1998-06-15

(45)

Published

1999-10-10

(72)

Inventor

Gritsenko I.G.Vystorobskij M.M.Pokhlebin N.S.Panenko A.A.Frolov L.I.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskoe Proizvodstvennoe Ob"Edinenie"

HORIZONTAL TUBE SHAPING HYDRAULIC PRESS Russian patent published in 1999 - IPC

Abstract RU 2139158 C1

FIELD: metal pressure working, namely metal extruding, possibly production of seamless tubes of aluminium alloys from hollow ingots. SUBSTANCE: press includes frame, front and rear stationary cross beams. Main cylinder with main plunger having through opening and stem is mounted on rear cross beam. Piercing system includes hydraulic cylinder, intermediate tie rod and needle holder with needle. Hydraulic cylinder is arranged inside stem. Piercing system is provided with hydraulic lock and safety valve, both are connected with back cavity of hydraulic cylinder and arranged on "nut-hydraulic panel" mounted on stem. Rod of hydraulic cylinder has adjusting nut and variable-length spacer. EFFECT: simplified structure, enhanced operational reliability and efficiency of press. 2 cl, 2 dwg

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RU 2 139 158 C1

Authors

Gritsenko I.G.

Vystorobskij M.M.

Pokhlebin N.S.

Panenko A.A.

Frolov L.I.

Dates

1999-10-10—Published

1998-06-15—Filed