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2 046 636

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C1

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IPC

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Application

5003425/26, 1991-09-04

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Actual filing date

1991-09-04

(45)

Published

1995-10-27

(72)

Inventor

Zelikson B.M.Afanas'Eva E.V.Novosel'Tsev O.V.Pchelkin V.A.Borzunova T.I.Dolgoplosk S.B.Krasovskij V.L.Timoshchuk T.S.

(73)

Holder

Zelikson Boris MalkiehlevichAktsionernoe Obshchestvo Zakrytogo Tipa

METHOD OF AND DEVICE FOR MANUFACTURING FINE AIR CLEANING FILTER ELEMENTS Russian patent published in 1995 - IPC

Abstract RU 2046636 C1

FIELD: radioelectronic, atomic, chemical and other industries; production of fine filters. SUBSTANCE: after assembling filter elements they are treated with solution of polyorganosiloxane block copolymer containing fragments [C6H5SiO1,5]X and [Si(CH3)2O]·y where X=30 70, and Y= 40 - 360. Treatment with solution of block copolymer is carried out until mass of filtering material is increased by 2.0-10.5% Device for treatment of filter elements for fine air filters has hermetically sealed container for filter elements, container for block copolymer solution, device for condensing solvent vapors, device for building vacuum and system of main lines. EFFECT: simplified production process of fine air filters, increased efficiency of operation of air filters owing to possibility of manufacture of sterile (high purity) filters in non-sterile premises with subsequent sterilization of filter. 6 cl, 1 dwg

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RU 2 046 636 C1

Authors

Zelikson B.M.

Afanas'Eva E.V.

Novosel'Tsev O.V.

Pchelkin V.A.

Borzunova T.I.

Dolgoplosk S.B.

Krasovskij V.L.

Timoshchuk T.S.

Dates

1995-10-27—Published

1991-09-04—Filed

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