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2 044 090

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Application

93036736/02, 1993-07-16

(22)

Actual filing date

1993-07-16

(45)

Published

1995-09-20

(72)

Inventor

Zagnit'Ko A.V.Ivanov O.A.Karamyshev V.G.Kosjakov A.A.Nikulin E.A.Pospelov B.S.Prusakov V.N.Trotsenko N.M.Arshinov A.N.

(73)

Holder

Rossijskij Nauchnyj Tsentr Institut"

MULTILAYER METALLIC FILTERING MATERIAL PRODUCTION METHOD Russian patent published in 1995 - IPC

Abstract RU 2044090 C1

FIELD: air and industrial gasses fine filtration to prevent high-dispersive micro impurities. SUBSTANCE: method to produce multilayer metallic filtering material provides for formation of rough porous base of metal powder, its sintering, creation of selective fine-porous layer by vacuum treatment of suspension of ultradispersive powder with particles of dendritic form till formation of structure with special fractional size of pores 0.1 0.5 mcm with following its sintering. Then front surfaces of rough-porous bases are connected and sintered under temperature of 300 400 C. EFFECT: increased efficiency. 2 dwg

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RU 2 044 090 C1

Authors

Zagnit'Ko A.V.

Ivanov O.A.

Karamyshev V.G.

Kosjakov A.A.

Nikulin E.A.

Pospelov B.S.

Prusakov V.N.

Trotsenko N.M.

Arshinov A.N.

Dates

1995-09-20—Published

1993-07-16—Filed

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