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2 137 091

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IPC

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Application

98104756/03, 1998-03-12

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Start date

1998-03-12

(22)

Actual filing date

1998-03-12

(45)

Published

1999-09-10

(72)

Inventor

Perepelitsyn A.I.Mochalov V.I.Klejn A.I.Machulin N.I.Tolkushev A.G.Tsukerman A.I.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Gok"

ROCK-BREAKING CHARGE Russian patent published in 1999 - IPC

Abstract RU 2137091 C1

FIELD: rock breaking, designed to enhance the efficiency of the process of blasting of sprung-hole charges. SUBSTANCE: rock-breaking charge contains an explosive, metal plates, firing pin and a detonating cord. Metal plates are made in the form of parallel-twinned and diametrically arranged plates with collinear direction of band- helical surfaces rigidly connected in the upper and lower parts by means of U-shaped segments. The distance between surfaces equals the product of the width of one surface by the multiplicity of ratios of the diameters of sprung-hole cavity and upper non-expanded part of the hole. The twinned band-helical plates are positioned in end parts of the firing pin. EFFECT: enhanced efficiency. 2 cl, 2 dwg

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RU 2 137 091 C1

Authors

Perepelitsyn A.I.

Mochalov V.I.

Klejn A.I.

Machulin N.I.

Tolkushev A.G.

Tsukerman A.I.

Dates

1999-09-10—Published

1998-03-12—Filed

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