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2 090 547

(13)

(51)

IPC

(21) (22)

Application

4821464/02, 1990-03-26

(22)

Actual filing date

1990-03-26

(45)

Published

1997-09-20

(72)

Inventor

Zuev Ju.S.Nikulin V.G.

(73)

Holder

Rossijskij Federal'Nyj Jadernyj Tsentr Vserossijskij Nauchno-Issledovatel'Skij Institut Tekhnicheskoj Fiziki

DETONATING CORD Russian patent published in 1997 - IPC

Abstract RU 2090547 C1

FIELD: explosive technics in mining and building industry. SUBSTANCE: in order to increase resistance to X-ray radiation, in cord with explosive core reinforced by threads and polymer shell 3 composed of two lacquer layers, perforated metal shell 1 is installed in spaced relation to lacquer layer supporting thread shell, wherein polymer material small bars 3-6 are fixed to support thread shell, the bars being helically and equidistantly disposed all along the length of metal shell. EFFECT: improved stability of cord. 1 dwg

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RU 2 090 547 C1

Authors

Zuev Ju.S.

Nikulin V.G.

Dates

1997-09-20—Published

1990-03-26—Filed