CA2471716A1 - Element for initiating propellant - Google Patents
Element for initiating propellant Download PDFInfo
- Publication number
- CA2471716A1 CA2471716A1 CA002471716A CA2471716A CA2471716A1 CA 2471716 A1 CA2471716 A1 CA 2471716A1 CA 002471716 A CA002471716 A CA 002471716A CA 2471716 A CA2471716 A CA 2471716A CA 2471716 A1 CA2471716 A1 CA 2471716A1
- Authority
- CA
- Canada
- Prior art keywords
- cartridge
- propellant
- filament
- substrate
- terminals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000003380 propellant Substances 0.000 title claims abstract description 37
- 230000000977 initiatory effect Effects 0.000 title description 2
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000011435 rock Substances 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims description 18
- 238000002485 combustion reaction Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 13
- 238000005422 blasting Methods 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000003999 initiator Substances 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000002360 explosive Substances 0.000 description 5
- -1 ore Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 241001354471 Pseudobahia Species 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005478 sputtering type Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
- E21C37/14—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by compressed air; by gas blast; by gasifying liquids
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Air Bags (AREA)
- Disintegrating Or Milling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA2001/5466 | 2002-01-03 | ||
| ZA200105466 | 2002-01-03 | ||
| PCT/ZA2002/000212 WO2003056133A1 (en) | 2002-01-03 | 2002-12-17 | Element for initiating propellant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2471716A1 true CA2471716A1 (en) | 2003-07-10 |
Family
ID=25589223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002471716A Abandoned CA2471716A1 (en) | 2002-01-03 | 2002-12-17 | Element for initiating propellant |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20060096487A1 (de) |
| EP (1) | EP1461511B1 (de) |
| AT (1) | ATE307960T1 (de) |
| AU (2) | AU2002360870A1 (de) |
| CA (1) | CA2471716A1 (de) |
| DE (1) | DE60206965T2 (de) |
| WO (1) | WO2003056133A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2014347703A1 (en) * | 2013-11-05 | 2016-06-09 | Fowlds 3 Limited | A cartridge |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2995987A (en) * | 1954-06-18 | 1961-08-15 | John A Fitzpatrick | Aluminum-chlorine detonator catalyst for hydrocarbon propellant |
| DE1195696B (de) * | 1964-01-11 | 1965-07-01 | Dynamit Nobel Ag | Einrichtung zum Traenkungsschiessen |
| FR1540287A (fr) * | 1966-12-26 | 1968-09-27 | Inst Francais Du Petrole | Dispositif pour l'explosion de charges dans un milieu liquide |
| US3618520A (en) * | 1969-02-04 | 1971-11-09 | Asahi Chemical Ind | Method of cracking concrete |
| US5765923A (en) * | 1992-06-05 | 1998-06-16 | Sunburst Excavation, Inc. | Cartridge for generating high-pressure gases in a drill hole |
| US5612506A (en) * | 1994-10-26 | 1997-03-18 | General Dynamics Land Systems, Inc. | Method of and apparatus for generating a high pressure gas pulse using fuel and oxidizer that are relatively inert at ambient conditions |
| KR100261458B1 (ko) * | 1995-07-24 | 2000-07-01 | 미나미 이조 | 방전파괴장치및방전파괴방법 |
| EP1172630A1 (de) * | 1995-07-24 | 2002-01-16 | Hitachi Zosen Corporation | Vorrichtung zum Zerstören mittels elektrischer Entladung und Herstellungsverfahren dafür |
| CA2228646A1 (en) * | 1995-08-04 | 1997-02-20 | John David Watson | Method and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurization of the bottom of a drill hole |
| AUPQ591000A0 (en) * | 2000-02-29 | 2000-03-23 | Rockmin Pty Ltd | Cartridge shell and cartridge for blast holes and method of use |
-
2002
- 2002-12-17 US US10/500,704 patent/US20060096487A1/en not_active Abandoned
- 2002-12-17 EP EP02796159A patent/EP1461511B1/de not_active Expired - Lifetime
- 2002-12-17 WO PCT/ZA2002/000212 patent/WO2003056133A1/en not_active Application Discontinuation
- 2002-12-17 DE DE60206965T patent/DE60206965T2/de not_active Expired - Lifetime
- 2002-12-17 AU AU2002360870A patent/AU2002360870A1/en not_active Abandoned
- 2002-12-17 AT AT02796159T patent/ATE307960T1/de not_active IP Right Cessation
- 2002-12-17 CA CA002471716A patent/CA2471716A1/en not_active Abandoned
-
2008
- 2008-12-15 AU AU2008258138A patent/AU2008258138A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| AU2008258138A1 (en) | 2009-01-22 |
| DE60206965D1 (de) | 2005-12-01 |
| DE60206965T2 (de) | 2006-08-03 |
| US20060096487A1 (en) | 2006-05-11 |
| ATE307960T1 (de) | 2005-11-15 |
| AU2002360870A1 (en) | 2003-07-15 |
| WO2003056133A1 (en) | 2003-07-10 |
| EP1461511A1 (de) | 2004-09-29 |
| EP1461511B1 (de) | 2005-10-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |