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2 139 903

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IPC

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Application

97111438/04, 1997-07-10

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Start date

1997-07-10

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Actual filing date

1997-07-10

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Published

1999-10-20

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Inventor

Agapova T.V.Astrakhantsev V.A.Barsukov V.K.Kolosov G.G.Kranidov A.M.Kuz'Mitskij G.Eh.Makienko G.P.Oshchepkov N.P.Ponik A.N.Solov'Eva V.A.Talalaev A.P.Shevrikuko I.D.Mokretsov I.I.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Polimernykh MaterialovPermskij Zavod Im.S.M.KirovaOtkrytoe Aktsionernoe Obshchestvo

METHOD OF MANUFACTURING BITUMEN-CONTAINING MATERIAL Russian patent published in 1999 - IPC

Abstract RU 2139903 C1

FIELD: insulator materials. SUBSTANCE: invention relates to production of cable-protection shells formed by applying bitumen compositions on base material (fabric, nonwoven cloth, paper). According to invention, base material is impregnated with bitumen-polymer composition dissolved in organic solvent, which is further removed in the course of heat treatment. Process parameters: conditional viscosity of impregnation solution 20-80 s, drying temperature 70- 130 C, fan performance 850-6700 m/hr, and material displacement velocity 1-8 m/min. EFFECT: increased homogeneity of impregnation and reduced stickiness. 4 dwg, 1 tbl

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RU 2 139 903 C1

Authors

Agapova T.V.

Astrakhantsev V.A.

Barsukov V.K.

Kolosov G.G.

Kranidov A.M.

Kuz'Mitskij G.Eh.

Makienko G.P.

Oshchepkov N.P.

Ponik A.N.

Solov'Eva V.A.

Talalaev A.P.

Shevrikuko I.D.

Mokretsov I.I.

Dates

1999-10-20—Published

1997-07-10—Filed