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2 231 014

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IPC

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Application

2002118582/02, 2002-07-09

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Start date

2002-07-09

(22)

Actual filing date

2002-07-09

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Published

2004-06-20

(72)

Inventor

Zhukov Ju.N.Anan'In A.A.Jankilevich V.M.Levushkin D.A.Sergeev A.G.Zhukov A.N.Volkov V.P.

(73)

Holder

Fgup Oleumnyj Zavod"

CARTRIDGE FOR COMMERCIAL BLASTING Russian patent published in 2004 - IPC

Abstract RU 2231014 C2

FIELD: cartridges for commercial blasting, applicable for blasting as deep-hole charges at blasting operations on the ground surface.

SUBSTANCE: the cartridge is additionally provided with a polypropylene casing. One polyethylene casing is sewed in or inserted in the polypropylene casing. The bottom parts of both casings or the bottom part of the polypropylene casing only is bent through 180 deg. and stitched by two machine seams in a straight line. The bottom parts of the mentioned casings or the bottom part of the polypropylene casing only are stitched in a concave line. In addition the second polyethylene casing is sewed in or inserted in the polypropylene casing. All necks of the casings are interconnected and stitched by two machine seams, or the necks of the casings are interconnected, bent through 180 deg. and stitched by one or two machine seams.

EFFECT: enhanced operating characteristics of the cartridge and reduced cost of it.

5 cl, 4 dwg, 1 tbl

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RU 2 231 014 C2

Authors

Zhukov Ju.N.

Anan'In A.A.

Jankilevich V.M.

Levushkin D.A.

Sergeev A.G.

Zhukov A.N.

Volkov V.P.

Dates

2004-06-20—Published

2002-07-09—Filed

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