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2 018 427

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C1

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IPC

(21) (22)

Application

4917207/27, 1991-03-07

(22)

Actual filing date

1991-03-07

(45)

Published

1994-08-30

(72)

Inventor

Berdin V.K.Fatkullin S.N.

(73)

Holder

Institut Problem Sverkhplastichnosti Metallov Ran

MULTILAYER CONSTRUCTION MANUFACTURING METHOD Russian patent published in 1994 - IPC

Abstract RU 2018427 C1

FIELD: aircraft industry and mechanical engineering. SUBSTANCE: method involves manufacturing filler having a set of separate packs composed of two sheets; locating packs between lining sheets in such a way that the plane of registration of pack sheets is disposed at an angle of α other than pn, where n is 0.1.2. with respect to tangent to surface of at least one lining sheet. Assembled pack is expanded in the mode of superplasticity till cavities are formed. EFFECT: increased efficiency and enhanced reliability in operation. 8 dwg

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RU 2 018 427 C1

Authors

Berdin V.K.

Fatkullin S.N.

Dates

1994-08-30—Published

1991-03-07—Filed

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