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2 018 762

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C1

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IPC

(21) (22)

Application

4859781/29, 1990-08-16

(22)

Actual filing date

1990-08-16

(45)

Published

1994-08-30

(72)

Inventor

Khvatskov E.N.Rudnev V.V.Akhrameeva I.B.

(73)

Holder

Khvatskov Evgenij Nilovich

HEAT-INSULATED PIPE Russian patent published in 1994 - IPC

Abstract RU 2018762 C1

FIELD: mechanical engineering. SUBSTANCE: fibrous glass reinforcement of heavy-duty framework is formed by winding the alternating layers of glass cloth and glass fibre impregnated in synthetic binder; inner heat insulation is formed by one or two layers of woven asbestos tape impregnated in noncombustible inorganic wound in spiral and protective metal shield made in form of chute and mounted in them in course of winding. EFFECT: enhanced reliability. 4 dwg, 1 tbl

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RU 2 018 762 C1

Authors

Khvatskov E.N.

Rudnev V.V.

Akhrameeva I.B.

Dates

1994-08-30—Published

1990-08-16—Filed

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