Detonator-sensitive assembled booster charges for use in blasting engineering and the use thereof
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C06B-023/00
C06B-025/36
F42D-003/00
C06C-007/00
C06B-025/34
출원번호
US-0442197
(2013-11-12)
등록번호
US-10227266
(2019-03-12)
우선권정보
DE-10 2012 110 955 (2012-11-14)
국제출원번호
PCT/EP2013/073658
(2013-11-12)
국제공개번호
WO2014/076099
(2014-05-22)
발명자
/ 주소
Klunker, Jürgen
Ziegler, Konrad
출원인 / 주소
EST ENERGETICS GMBH
대리인 / 주소
Heslin Rothenberg Farley & Mesiti P.C.
인용정보
피인용 횟수 :
0인용 특허 :
6
초록
This invention relates to detonator-sensitive assembled booster charges for use in blasting engineering. The booster charge comprises nitroalkane and a cavity-forming agent.
대표청구항▼
1. A detonator-sensitive booster charge for use in blasting engineering comprising a mixture including a nitromethane and a cavity-forming means, wherein the cavity-forming means is configured as a hollow glass microsphere, and fumed silica, as well as a receptacle for an ignition device, wherein th
1. A detonator-sensitive booster charge for use in blasting engineering comprising a mixture including a nitromethane and a cavity-forming means, wherein the cavity-forming means is configured as a hollow glass microsphere, and fumed silica, as well as a receptacle for an ignition device, wherein the booster charge is configured so as to be waterproof and temperature-resistant and comprises a concave curvature arranged on an opposite side of the receptacle for the ignition device. 2. The detonator-sensitive booster charge according to claim 1, wherein the booster charge is made of a liquid-impermeable material. 3. The detonator-sensitive booster charge according to claim 1, wherein the concave curvature comprises a metallic coating. 4. The detonator-sensitive booster charge according to claim 1, wherein the ignition device comprises a blasting cap, a detonating cord or a non-electric detonator. 5. The detonator-sensitive booster charge according to claim 1, wherein the cavity-forming means is configured as a hollow glass microsphere with a grain size of 20-200 μm. 6. The detonator-sensitive booster charge according to claim 1, wherein the mixture comprises 1.5-10 weight % fumed silica, 0.2-10 weight % hollow glass microspheres and 85-98.3 weight % nitromethane. 7. The detonator-sensitive booster charge according to claim 1, further comprising an oxygen-containing compound selected from the nitrates group. 8. The detonator-sensitive booster charge according to claim 5, wherein the cavity-forming means is configured as a hollow glass microsphere with a grain size of 40-150 μm. 9. The detonator-sensitive booster charge according to claim 5, wherein the cavity-forming means is configured as a hollow glass microsphere with a grain size of 80-120 μm. 10. The detonator-sensitive booster charge according to claim 6, wherein the mixture exhibits 3-8 weight % fumed silica, 0.5-5 weight % hollow glass microspheres, and 85-95 weight % nitromethane. 11. The detonator-sensitive booster charge according to claim 10, wherein the mixture exhibits 5-7 weight % fumed silica, 0.8-2 weight % hollow glass microspheres, and 91-93 weight % nitromethane. 12. A detonator-sensitive booster charge for use in blasting engineering comprising; a mixture and a receptacle for an ignition device, whereinthe mixture comprises 85%-98.3% by weight nitromethane, 1.5%-10% by weight fumed silica, and 0.2%-10% by weight a cavity-forming means wherein the cavity-forming means comprises hollow glass microspheres, andthe booster charge is configured so as to be waterproof and temperature-resistant. 13. The detonator-sensitive booster charge according to claim 12, wherein the booster charge is made of a liquid-impermeable material. 14. The detonator-sensitive booster charge according to claim 12, wherein the booster charge comprises a concave curvature arranged on an opposite side of the receptacle for the ignition device. 15. The detonator-sensitive booster charge according to claim 14, wherein the concave curvature comprises a metallic coating. 16. The detonator-sensitive booster charge according to claim 12, wherein the ignition device comprises a blasting cap, a detonating cord or a non-electric detonator. 17. The detonator-sensitive booster charge according to claim 12, wherein the cavity-forming means is configured as a hollow glass microsphere with a grain size of 20-200 μm. 18. The detonator-sensitive booster charge according to claim 12, wherein the mixture comprises 92.5% by weight nitromethane 6.5% by weight fumed silica, and 1% by weight hollow glass microspheres having a grain size of substantially 100 μm. 19. The detonator-sensitive booster charge according to claim 12, further comprising an oxygen-containing compound selected from the nitrates group. 20. The detonator-sensitive booster charge according to claim 17, wherein the cavity-forming means is configured as a hollow glass microsphere with a grain size of 40-150 μm. 21. The detonator-sensitive booster charge according to claim 17, wherein the cavity-forming means is configured as a hollow glass microsphere with a grain size of 80-120 μm. 22. The detonator-sensitive booster charge according to claim 12, wherein the mixture exhibits 3-8 weight % fumed silica, 0.5-5 weight % hollow glass microspheres, and 85-95 weight % nitromethane. 23. The detonator-sensitive booster charge according to claim 22, wherein the mixture exhibits 5-7 weight % fumed silica, 0.8-2 weight % hollow glass microspheres, and 91-93 weight % nitromethane. 24. A detonator-sensitive booster charge for use in blasting engineering comprising; a mixture and a receptacle for an ignition device, wherein the mixture comprises 92.5% by weight nitromethane, 6.5% by weight fumed silica, and 1% by weight a cavity-forming means wherein the cavity-forming means comprises hollow glass microspheres having a grain size of substantially 100 μm, and the booster charge is configured so as to be waterproof and temperature-resistant and comprises a concave curvature arranged on an opposite side of the receptacle from the ignition device.
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