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2 079 095

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C1

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IPC

(21) (22)

Application

93038386/02, 1993-07-27

(22)

Actual filing date

1993-07-27

(45)

Published

1997-05-10

(72)

Inventor

Uvarov V.N.Samartsev M.G.Ivashko M.N.Protasov S.I.Bogomolov I.D.

(73)

Holder

Novatsionnaja Firma

SHAPED CHARGE Russian patent published in 1997 - IPC

Abstract RU 2079095 C1

FIELD: crushing of oversizes at open and underground rock excavation. SUBSTANCE: explosive charge 1 is placed in shell 2. Central cumulative facing 3 is made of conjugated shaped longitudinal members 5. Additional cumulative recess 7 in the form of a concave curvilinear surface is made in the charge peripheral section. Initiator 4 is positioned in the point of intersection of the axes of the central and additional cumulative recesses. EFFECT: enhanced efficiency. 2 cl, 6 dwg

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RU 2 079 095 C1

Authors

Uvarov V.N.

Samartsev M.G.

Ivashko M.N.

Protasov S.I.

Bogomolov I.D.

Dates

1997-05-10—Published

1993-07-27—Filed

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