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2 108 189

(13)

C1

(51)

IPC

(21) (22)

Application

94001677/02, 1994-01-19

(22)

Actual filing date

1994-01-19

(45)

Published

1998-04-10

(72)

Inventor

Kabinov D.A.Shmelev V.E.

(73)

Holder

Tul'Skij Gosudarstvennyj Pedagogicheskij Universitet Im.L.N.Tolstogo

METHOD OF REDUCING STEPPED DIFFERENT-PROFILE SHAFTS Russian patent published in 1998 - IPC

Abstract RU 2108189 C1

FIELD: production of stepped shafts. SUBSTANCE: blank in the form of shaft is secured in clamping attachment and it is reduced at direct stroke of die for making first step of shaft. Second step of shaft is reduced by means of different-profile die starting its reverse stroke by value less than reverse stroke distance. EFFECT: enhanced efficiency. 3 dwg

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RU 2 108 189 C1

Authors

Kabinov D.A.

Shmelev V.E.

Dates

1998-04-10—Published

1994-01-19—Filed

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