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2 015 781

(13)

C1

(51)

IPC

(21) (22)

Application

5056231/27, 1992-07-24

(22)

Actual filing date

1992-07-24

(45)

Published

1994-07-15

(72)

Inventor

Potapov A.I.Bochkarev V.I.

(73)

Holder

Aktsionernoe Obshchestvo Zavod Tjazhelogo Mashinostroenija"

METHOD FOR FORGING RECTANGULAR PRODUCTS Russian patent published in 1994 - IPC

Abstract RU 2015781 C1

FIELD: plastic metal working. SUBSTANCE: method includes upsetting of blank of rectangular or square cross-section in closed space of die. Prior to upsetting, the blank is placed in die space along its diagonal with all blank ribs touching the die space walls. Upsetting is effected by upper flat head whose shape and sizes correspond to space cross-section. In this case, upsetting is accomplished by one stroke of press. EFFECT: higher efficiency. 7 dwg

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RU 2 015 781 C1

Authors

Potapov A.I.

Bochkarev V.I.

Dates

1994-07-15—Published

1992-07-24—Filed

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