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2 054 982

(13)

(51)

IPC

(21) (22)

Application

93021481/28, 1993-04-23

(22)

Actual filing date

1993-04-23

(45)

Published

1996-02-27

(72)

Inventor

Gubin A.I.Bespalova I.A.Gubin V.A.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Nauchno-Issledovatel'Skij Institut Trubnoj Promyshlennosti"

VESSEL PRODUCTION METHOD Russian patent published in 1996 - IPC

Abstract RU 2054982 C1

FIELD: metal pressure forming. SUBSTANCE: method comprises steps of heating one end of a tubular blank, crimping it and cleaning its inner surface, pressurizing a cavity of the blank, heating it up to (100-150)C, before crimping the other end of the blank depressurizing the cavity of the blank. EFFECT: enhanced efficiency. 1 cl

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RU 2 054 982 C1

Authors

Gubin A.I.

Bespalova I.A.

Gubin V.A.

Dates

1996-02-27—Published

1993-04-23—Filed