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2 519 604

(13)

(51)

IPC

F42B4/30(2006-01-01)

(21) (22)

Application

2013105240/11, 2013-02-08

(24)

Start date

2013-02-08

(22)

Actual filing date

2013-02-08

(45)

Published

2014-06-20

(72)

Inventor

Arkhangel'Skij Vadim Jur'EvichVarenykh Nikolaj MikhajlovichRomanov Valentin IvanovichPodsobljaev Vjacheslav Aleksandrovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Nauchno-Proizvodstvennyj Tsentr Institut Prikladnoj Khimii"

PRESSING METHOD OF MULTI-LAYERED PYROTECHNIC CHARGES Russian patent published in 2014 - IPC F42B4/30

Abstract RU 2519604 C1

FIELD: blasting operations.

SUBSTANCE: pressing method of multi-layered pyrotechnic charges involves subsequent batch loading to a matrix installed on a tray of different powder compounds, which are pressed with the specified movement force per puncheon travel. Pressing is performed at the speed of 0.5-1.0 cm/s with puncheon pressure equal to: P=P₀·Π_i·[1+(0.10-0.12)·h_i/d_i], where i=1, …, n - number of layers; P₀ - minimum allowable tray pressure; Π - operator of a product; h_i - height of the charge compound layer; d_i - charge diameter.

EFFECT: simple and safe industrial pressing method.

2 dwg, 1 tbl

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RU 2 519 604 C1

Authors

Arkhangel'Skij Vadim Jur'Evich

Varenykh Nikolaj Mikhajlovich

Romanov Valentin Ivanovich

Podsobljaev Vjacheslav Aleksandrovich

Dates

2014-06-20—Published

2013-02-08—Filed