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2 016 090

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C1

(51)

IPC

(21) (22)

Application

4898561/02, 1991-01-02

(22)

Actual filing date

1991-01-02

(45)

Published

1994-07-15

(72)

Inventor

Nagajtsev V.F.Nagajtsev P.V.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD OF STRENGTHENING ARTICLES WITH OPENINGS Russian patent published in 1994 - IPC

Abstract RU 2016090 C1

FIELD: machine engineering, aircraft building and other industry branches. SUBSTANCE: method comprises steps of heating a part with openings with use of annular electrodes up to 760 C and cooling it by rotating cone sprayer with pitch of the openings, being increased along the article; the liquid is being fed by a predetermined angle relative to the article surface. EFFECT: simplified strengthening process. 1 cl, 1 dwg

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RU 2 016 090 C1

Authors

Nagajtsev V.F.

Nagajtsev P.V.

Dates

1994-07-15—Published

1991-01-02—Filed

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