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2 025 188

(13)

(51)

IPC

(21) (22)

Application

5008001/27, 1991-07-09

(22)

Actual filing date

1991-07-09

(45)

Published

1994-12-30

(72)

Inventor

Kutjajkin V.G.Bunatjan G.V.Kuryshev V.L.

(73)

Holder

Konstruktorsko-Tekhnologicheskij Institut Kholodnovysadochnogo I Pruzhinnogo Proizvodstva

METHOD FOR MAKING RELIEF CAVITIES OF SHAPE-FORMING TOOL Russian patent published in 1994 - IPC

Abstract RU 2025188 C1

FIELD: mechanical engineering. SUBSTANCE: method involves preliminary pressing out of cavity with a cross-sectional size exceeding that of finished cavity by 0.1-1.9% at temperatures - (10-100 C), heat and electric-erosion treatment. EFFECT: higher efficiency. 2 cl

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RU 2 025 188 C1

Authors

Kutjajkin V.G.

Bunatjan G.V.

Kuryshev V.L.

Dates

1994-12-30—Published

1991-07-09—Filed