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2 128 095

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C1

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IPC

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Application

98100132/02, 1998-01-05

(22)

Actual filing date

1998-01-05

(45)

Published

1999-03-27

(72)

Inventor

Sloboda V.N.Latysh V.V.Stoljarov V.V.Raab G.I.Tsenev N.K.

(73)

Holder

Ufimskij Gosudarstvennyj Aviatsionnyj Tekhnicheskij Universitet

APPARATUS FOR PLASTIC METAL WORKING Russian patent published in 1999 - IPC

Abstract RU 2128095 C1

FIELD: plastic metal working, namely apparatuses for hardening metal at working process. SUBSTANCE: apparatus includes die with two or more mutually crossing ducts, cavity formed at zone of duct crossing. Cavity is trapezoidal in lengthwise section of ducts. Bases of trapezium cross duct walls. Ratio of large base to small one consists 3-12. Dimension of small base is equal to 1-10 mm. In variant trapezium may be isosceles. Trapezium bases may serve as clamping chords for curvilinear surfaces of cavity. EFFECT: enhanced working quality due to lowered number of defects of deformed blank. 4 dwg

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RU 2 128 095 C1

Authors

Sloboda V.N.

Latysh V.V.

Stoljarov V.V.

Raab G.I.

Tsenev N.K.

Dates

1999-03-27—Published

1998-01-05—Filed

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