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2 036 736

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C1

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IPC

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Application

4278302/08, 1987-07-13

(22)

Actual filing date

1987-07-13

(45)

Published

1995-06-09

(72)

Inventor

Shljakhin N.P.Lytkin I.N.Romashko N.I.Shcherba O.V.Timokhin V.S.Odnodushnyj V.A.

(73)

Holder

Nauchno-Proizvodstvennoe Ob"Edinenie Nauchno-Issledovatel'Skij Institut Po Tekhnologii Mashinostroenija"Moskovskij Institut Priborostroenija

DEVICE FOR OUTSIDE TUBE AND HOLLOW WORKPIECE FLANGING Russian patent published in 1995 - IPC

Abstract RU 2036736 C1

FIELD: energetic and chemical engineering. SUBSTANCE: device has a bed mounted die, generatrix mounted inside workpiece. At least two coupled wedges are mounted in a workpiece for longitudinal movement. Punch is carried out as at least two balls of different diameters and diameter of the previous ball is less than diameter of the consequent one. Punch interacts with inclined surface of wedges. Device has limiter of punch movement along guide with fixing it coaxially to a die. Limiter has a slot for wedge movement. EFFECT: improved design. 3 cl, 5 dwg

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RU 2 036 736 C1

Authors

Shljakhin N.P.

Lytkin I.N.

Romashko N.I.

Shcherba O.V.

Timokhin V.S.

Odnodushnyj V.A.

Dates

1995-06-09—Published

1987-07-13—Filed

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