CN100567224C - The metal expansion cell cartridge that is used for rock blasting - Google Patents
The metal expansion cell cartridge that is used for rock blasting Download PDFInfo
- Publication number
- CN100567224C CN100567224C CNB2005800385569A CN200580038556A CN100567224C CN 100567224 C CN100567224 C CN 100567224C CN B2005800385569 A CNB2005800385569 A CN B2005800385569A CN 200580038556 A CN200580038556 A CN 200580038556A CN 100567224 C CN100567224 C CN 100567224C
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- metal
- primacord fuse
- expansion cell
- metal expansion
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/04—Arrangements for ignition
- F42D1/045—Arrangements for electric ignition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B33/00—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06D—MEANS FOR GENERATING SMOKE OR MIST; GAS-ATTACK COMPOSITIONS; GENERATION OF GAS FOR BLASTING OR PROPULSION (CHEMICAL PART)
- C06D5/00—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/10—Initiators therefor
- F42B3/11—Initiators therefor characterised by the material used, e.g. for initiator case or electric leads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/10—Initiators therefor
- F42B3/12—Bridge initiators
- F42B3/124—Bridge initiators characterised by the configuration or material of the bridge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/02—Arranging blasting cartridges to form an assembly
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The present invention relates to a kind of metal expansion cell cartridge that is used for rock blasting, comprise and be arranged at internal surface of sleeve pipe and the penstock on the primacord fuse sections, it is made by the certain material with the intensity that can tolerate the specified pressure level, makes it can prevent near the early damage of the sleeve portion primacord fuse that caused by heat of high temperature and shock wave energy when big electric current puts on primacord fuse.
Description
Technical field
The present invention relates to a kind of metal expansion cell cartridge that is used for rock blasting, a kind of specifically metal expansion cell cartridge that is used for rock blasting, it is provided with one at the telescopic middle part and is used for applying high-tension discharge lines, be provided with a penstock in telescopic inside, this penstock is arranged in the sections that is provided with discharge lines, make the plasma channel that produces by the big electric current that applies the self-discharge line can useful effect in the metal expansion cell that is located at the sleeve pipe downside.
Background technology
Normally, in order to improve the explosion such as tunnelling, the compound construction of urban house, rock-cut point, the tunnel is built, the working efficiency of subway construction etc., and people are extensive use of some explosive basement rock or rock are applied the intensive impact and make its fragmentation.
In the prior art, explosion is usually with explosive or nitroglycerine explosive.Yet, with regard to explosive such as nitroglycerine explosive, there is some titanic peril, they may be owing to the carelessness in storage and the transportation, bump etc. explode.In case its blast can produce huge explosive sound, therefore the environment around can be subjected to tremendous influence.
Recently, in order to replace explosive and nitroglycerine explosive blasted material as rock blasting, a kind of specific rapid expansion metallic compound is developed, wherein the electric current snap-out release is to metal oxide and produce oxidizing reaction, thereby therefore specific media expansion produce electrolysis in the oxidation reaction process heat and be stored at metal oxide in the cartridge and influence composition around it thus, thereby make specific object blast.Open No.213577 of Korea patent registration and the open No.2003-0006083 of Korea patent registration have disclosed the technology that relates to above-mentioned rapid expansion metallic compound.
That is to say, prepare above-mentioned rapid expansion metallic compound by mixing following substances: as the metal-salt of oxygenant, by the metal-powder of metal-salt oxidation, it has, and the volume that causes owing to thermopositive reaction increases and the reaction promotor of the oxidizing reaction of promotion metal-salt and metal-powder.
As for metal-salt, be Fe (NO
3)
3, Cu (NO
3)
2, Ba (NO
3)
4, Mn (NO
3)
4, Mg (NO
3)
2, KNO
3, NaNO
3, Ca (NO
3)
2, etc.As for metal oxide, be Fe
2O
3, Fe
2O
4, CuO, MnO
2, Ni
2O
3, PbO, etc.
In addition, as for metal-powder, use such as reductive agents such as Al, Na, K, Li, Mg, Ca, Mn, Ba, Cr, Si.
As for oxidization acceleration agent, be NaSO
4, MgSO
4, FeSO
4, MgSO
4, NiSO
4, CsSO
4Deng.
As for the electrical spark induction electrolytic solution as the oxidizing reaction of quickening metal-salt and metal-powder, a spot of ammonium borate of fusing, ammonium nitrate, ammonium sulfate etc. in glycerols material such as ethylene glycol and alcohol.
That is to say, the rapid expansion metallic compound that is mixed according to suitable proportioning by above-mentioned materials is a spot of to be stored in ethene paper or the cartridge and to be placed in the explosive hole, thereby will put on the container with rapid expansion compound with the big electric current that the teleswitch operation is consistent.Yet, when the rapid expansion compound stores and uses, can not reach specific equipment mode and stdn in ethene paper.So the rapid expansion compound generally stores in cartridge and uses.
Fig. 4 be explanation conventional be used for rock blasting the synoptic diagram of metal expansion cell cartridge.Conventional be used for rock blasting metal expansion cell cartridge 10 comprise the cylinder-shaped sleeve 11 that is used for storing metal oxide, be used to cover the upper cap 12 and the lower cap 13 of the upper and lower sides of sleeve pipe 11, apply the terminals 14 of big electric current and the power supply unit 17 and the cable 16 of electric current are provided to terminals 14 to the medium that places sleeve pipe 11 inside.Form certain space between the terminals 14 of both sides, the primacord fuse of being made by aluminum steel etc. 15 connects the tail end of terminals 14.
Therefore, based on the switching operation of power supply unit 17, big electric current passes through between terminals 14, thus and primacord fuse 15 discharge generation plasma channels.Heat of high temperature and energy by occurring in the combustion oxidation reaction process of metal expansion cell 20 at plasma channel, thus the volume rapid expansion of metal expansion cell 20 increases shothole.
For the conventional explosive cartridge that wherein stores metal expansion cell, because near the metal oxide when highly compressed occurring on the primacord fuse primacord fuse at first produces oxidizing reaction, this sleeve pipe is with regard to self-destruction before being stored in the metal oxide complete reaction of cylindrical vertical sleeve pipe downside.Therefore, react owing to only be positioned at the metal expansion cell of sleeve pipe upside in the stored metal expansion cell of this explosive cartridge, so can not obtain enough pressure of explosion.
In addition, because primacord fuse is shorter along connecting on the diametric(al) of cylinder-shaped sleeve, do not strengthen for the discharging efficiency of metal oxide.For the metal expansion cell cartridge that is used for rock blasting; after the past in period that in the process that the metal oxide of cylinder-shaped sleeve inside is stored, maybe needs to move; tiny oxide particle can fill up the space that is positioned between the oxide compound of sleeve pipe downside; therefore the oxide compound hardening of cylinder-shaped sleeve downside forms gas cloud at the telescopic upside.Therefore, the performance during primacord fuse discharge and the oxidizing reaction weakens.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of metal expansion cell cartridge that is used for rock blasting, it can overcome the problem that runs in the prior art.
Another object of the present invention provides a kind of metal expansion cell cartridge that is used for rock blasting, wherein be provided with one and be used for applying high-tension discharge lines at the telescopic middle part, be provided with a penstock in telescopic inside, this penstock is arranged in the sections that is provided with discharge lines, make the plasma channel that produces by the big electric current that applies the self-discharge line can useful effect in the metal expansion cell that is located at the sleeve pipe downside.
Another object of the present invention provides a kind of metal expansion cell cartridge that is used for rock blasting, wherein, be contained in the sleeve pipe by composite metal expansion cells such as metal-salt, metal-powder, metal oxides, in being stored in the metal expansion cell of this inside pipe casing, be formed for discharging the primacord fuse of big electric current, and import the two ends of primacord fuse by the big electric current that power supply unit provides; Described metal expansion cell cartridge comprises: be arranged at sleeve pipe (31) inwall and the penstock in the primacord fuse sections (35), this penstock has than the higher intensity of sleeve pipe (31), make it can prevent when big electric current puts on primacord fuse (44) early damage by heat of high temperature and near caused sleeve pipe (31) part primacord fuse (44) of shock wave energy, and the plasma channel importing sleeve pipe direction that forms by primacord fuse.
In an embodiment of the invention, plectane (36) is positioned in the internal space of sleeve pipe (31) downside and by spring (37) resiliency supported, and its middle sleeve (31) is designed to admit metal expansion cell (60) from the upside of plectane (36).
In an embodiment of the invention, two fixed terminals (41) and (42) are in the inboard direction projection of the following side direction sleeve pipe (31) of the upper cap (32) of the upside that is used to cover sleeve pipe (31), the fixed terminals of one side (42) makes length, the fixed terminals of opposite side (41) makes weak point, and the primacord fuse (44) that is connected and fixed terminals (41) and (42) forms to the fore-and-aft tilt ground of sleeve pipe (31).
In an embodiment of the invention, the upside of fixed terminals is with cannon plug shape projection, is used on upper cap (32) and the cable that is being connected power supply unit combination separably.
In order to achieve the above object, be used for the metal expansion cell cartridge of rock blasting, insert one in the sleeve pipe by metal-salt, metal-powder, composite metal expansion cell such as metal oxide, and in being stored in this inside pipe casing metal expansion cell, be formed for discharging the primacord fuse of big electric current, and import the two ends of primacord fuse by the big electric current that power supply unit provides, in above-mentioned cartridge, be provided for the metal expansion cell cartridge of rock blasting, comprise and be arranged at internal surface of sleeve pipe and the penstock in the primacord fuse sections, it is made by the certain material with the intensity that can tolerate the specified pressure level, make it can prevent to put on primacord fuse and near the early damage of the sleeve portion primacord fuse that causes by heat of high temperature and shock wave energy during by primacord fuse, and import the sleeve pipe direction by the plasma channel that primacord fuse forms when big electric current.
The accompanying drawing summary
The present invention will be better understood with reference to the accompanying drawings, and its mode as just explanation provides so do not limit the present invention, wherein;
Fig. 1 is the cross-sectional view that is used for the metal expansion cell cartridge of rock blasting according to of the present invention;
Fig. 2 is the decomposition diagram according to cartridge of the present invention;
Fig. 3 is the user mode figure that is used for the metal expansion cell cartridge of rock blasting according to of the present invention; With
Fig. 4 is the figure that is used to describe prior art.
Implement best mode of the present invention
Structure and the operation that is used for the metal expansion cell cartridge of rock blasting according to the present invention will be described with reference to the accompanying drawings.
Fig. 1 is that explanation is according to the cross-sectional view that is used for the metal expansion cell cartridge of rock blasting of the present invention, Fig. 2 is the decomposition diagram of explanation according to cartridge of the present invention, and Fig. 3 is the user mode figure that is used for the metal expansion cell cartridge of rock blasting according to of the present invention.
Among the figure, reference numbers 30 expressions are according to the metal expansion cell cartridge that is used for rock blasting of the present invention.Here, cartridge 30 comprises cylindrical vertical sleeve pipe 31, covers the open upside of sleeve pipe 31 and has the fixed terminals 41 of accepting electric current and 42 upper cap 32 and being used to covers the lower cap 34 of the open downside of sleeve pipe 31.
A pair of fixed projection 41 and the 42 interior side direction upper process from the following side direction sleeve pipe 31 of upper cap 32 are used for importing (+) and (-) power supply of power supply unit 50.One side fixed terminals 42 stretch out longlyer than side fixed terminals 41, form to the fore-and-aft tilt ground of sleeve pipe 31 so connect the primacord fuse 44 at their two ends.Specifically, fix the outside of long terminals 42 be inserted in the guide card 33 and therefore it be protected, this guide card and upper cap are in the downside intactly Shen exhibition together of upper cap 32.That is to say that all stretch on the two sides of upper cap 32 so fixed terminals 41 and 42 is inserted in parallel to each other.This guide card is from the longitudinal stretching that faces down of the longer terminals of input.
Along outstanding one section of the direction of upper cap 32, the end that therefore connects the cable of power supply unit 50 is connected with the cannon plug shape for fixed terminals 41 and 42 upper end.Cable 51 is connected by junctor 53 respectively with 52 end, they can be easily from the upper end of fixed terminals 41 and 42 separately.Junctor 53 surrounds with the upper end of the fixed terminals 41 of cannon plug shape projection and 42 and can slide up and down discretely.In addition, under junctor 53 and fixed terminals 41 and situation that 42 upper end links to each other, on point of contact, cover ethene cap 54.
According to the metal expansion cell cartridge 30 that is used for rock blasting of the present invention, primacord fuse 44 is settled with certain angle of inclination, and wherein primacord fuse 44 residing sections in sleeve pipe 31 is wideer than prior art.
In addition, the cylindrical pressure pipe of being made by the specific high-strength material that can tolerate certain pressure 35 inserts-is expelled to the sections of primacord fuse 44 from the inner peripheral surface of sleeve pipe 31.The middle part that penstock 35 is placed in sleeve pipe 31 is because when big electric current puts on primacord fuse 44, be filled in that the metal expansion cell 60 near primacord fuse 44 at first reacts in the metal expansion cell 60 of sleeve pipe 31 inside, can prevent that thus sleeve pipe 31 in primacord fuse 44 sections from being destroyed earlier before being delivered to the metal expansion cell 60 that is positioned at sleeve pipe 31 downsides at reaction heat.Penstock 35 is preferably made by the stainless material with strong resistance to corrosion.
That is to say, sleeve pipe 31 parts in primacord fuse 44 sections are supported by penstock 44, thereby the destruction that the sleeve pipe 31 on primacord fuse 44 sections is subjected to postponed, and the plasma channel that is produced by primacord fuse 44 is directed and extends in the metal expansion cell 60 of sleeve pipe 31 downsides.
Plectane 36 is positioned over the inboard of sleeve pipe 31 bottoms and obtains the resiliency supported of the internal surface and the spring 37 of lower cap 34, metal expansion cell 60 deposit in plectane 36 above.That is to say that spring 47 is flexibly supporting the weight of metal expansion cell 60.Weight with spring 37 support metal expansion cells is because following reason.Elastic contribution plectane 36 by spring 37 moves up, medium also moves up in sleeve pipe 31, thereby can prevent to form gas cloud at the upside of sleeve pipe 31 with comparing in the prior art, tiny metallic particles is filled in the intergranular space of metal expansion cell 60 and forms gas cloud at the upside of sleeve pipe 31 in the prior art.
In addition, the joint portion that is combined in 34 of the upper cap 32 of upper and lower sides of sleeve pipe 31 and lower cap seals.
Use and the working method that is used for the metal expansion cell cartridge of rock blasting according to the present invention will obtain describing.
In cartridge 30, form shothole 70 in the explosion position with specific equipment such as drilling machine etc.Extend the junctor 53 of the cable 51 of coming and 52 and extend the fixed terminals 41 of coming and 42 upside joins from power supply unit 50 from the upper cap 32 of cartridge 30.
Being used to control provides big electric current to comprise cable 51 and 52 to the switch of power supply unit 50 and cartridge 30, and cartridge 30 can be ignited a long way off like this.
When Blasting Control person opens switch, power supply provides the power supply of unit 50 to offer primacord fuse 44, and high-tension big electric current flows through primacord fuse 44, forms a plasma channel.Heat of high temperature and high-pressure energy are sent near the metal expansion cell 20 the primacord fuse 44.Therefore, the metal expansion cell 20 that is filled in sleeve pipe 31 inside reacts based on high-temperature reaction heat owing to primacord fuse 44, and oxidation is also expanded and output heat of high temperature and energy thus.Thereby above-mentioned energy expands shothole destroys demolition target.
Compared with prior art, because in metal expansion cell cartridge 30 according to the present invention, in the sections of primacord fuse 44, be provided with penstock 35 on the inwall of sleeve pipe 31, it has the intensity higher than sleeve pipe 31, the destruction that sleeve pipe 31 in primacord fuse 44 sections is subjected to has been delayed, so even also can finish normal reaction in the metal expansion cell 20 that is filled in sleeve pipe 31 downsides.In addition, ionic channel is directed into the downside of sleeve pipe 31.So, the approaching metal expansion cell 20 resulting blasting energies that are filled into sleeve pipe 31 inside on the energy theory that can obtain.
Form because primacord fuse 44 is fore-and-aft tilts, the surface-area of metal expansion cell 44 is widened, accept high-temperature reaction heat in the starting stage of primacord fuse 44 thus.
For metal expansion cell cartridge 30 according to the present invention, spring 37 resiliency supported the weight of the metal expansion cell 20 that is seated in sleeve pipe 31 inside, even during the cartridge 30 with metal expansion cell stores and moves, when fine particle is filled in the space between the metal expansion cell that is stored at inside pipe casing, can not form gas cloud at the upside of sleeve pipe 31 yet.
On blasting site, can easily finish the junctor 53 of tie cable 51 and 52 and the method for 30 li terminals of fixing 41 of cartridge and 42, thereby improve workability.
Industrial applicibility
As mentioned above, according to the cartridge that is filled with for the metal expansion cell of rock blasting of the present invention, The mid portion of sleeve pipe has primacord, and this part is surrounded by force pipe, thereby is filled in the gold of inside pipe casing Thereby the genus expansion cell nearly all reacts and obtains huge turgor pressure. With the axial placement phase of primacord with sleeve pipe Ratio because primacord is placed with the direction that tilts, passes from the reaction heat that the primacord conduction comes in the starting stage The volume of the metal mixture of leading increases greatly. In addition, owing to be filled with the cartridge of metal mixture During storing and moving, spring supporting the weight of metal mixture, can prevent from forming at the upside of sleeve pipe Air layer.
Because the present invention can have the expression of various ways in the situation that does not deviate from essence and substantive characteristics, remove Non-have other special regulations, is to be understood that above-mentioned embodiment is not subjected to the restriction of any foregoing description details, But extensively be based upon essence and the range that claims define, the various claims that fall into (meets) variation and the change in set and the scope, perhaps set and scope of equal value should be appended right Require included.
Claims (4)
1, a kind of metal expansion cell cartridge that is used for rock blasting, wherein, be contained in the sleeve pipe by composite metal expansion cells such as metal-salt, metal-powder, metal oxides, in being stored in the metal expansion cell of this inside pipe casing, be formed for discharging the primacord fuse of big electric current, and import the two ends of primacord fuse by the big electric current that power supply unit provides; Described metal expansion cell cartridge comprises:
Be arranged at sleeve pipe (31) inwall and the penstock in the primacord fuse sections (35), this penstock has than the higher intensity of sleeve pipe (31), make it can prevent when big electric current puts on primacord fuse (44) early damage by heat of high temperature and near caused sleeve pipe (31) part primacord fuse (44) of shock wave energy, and the plasma channel importing sleeve pipe direction that forms by primacord fuse.
2, cartridge according to claim 1, wherein plectane (36) is positioned in the internal space of sleeve pipe (31) downside and by spring (37) resiliency supported, and its middle sleeve (31) is designed to admit metal expansion cell (60) from the upside of plectane (36).
3, according to claim 1 or 2 each described cartridges, wherein two fixed terminals (41) and (42) are in the inboard direction projection of the following side direction sleeve pipe (31) of the upper cap (32) of the upside that is used to cover sleeve pipe (31), the fixed terminals of one side (42) makes length, the fixed terminals of opposite side (41) makes weak point, and the primacord fuse (44) that is connected and fixed terminals (41) and (42) forms to the fore-and-aft tilt ground of sleeve pipe (31).
4, according to claim 1 or 2 each described cartridges, wherein the upside of fixed terminals is with cannon plug shape projection, is used on upper cap (32) and the cable that is being connected power supply unit combination separably.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040092920 | 2004-11-15 | ||
| KR1020040092920A KR20060047085A (en) | 2004-11-15 | 2004-11-15 | Cartidge of metal expansion cell for rock destruction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101124182A CN101124182A (en) | 2008-02-13 |
| CN100567224C true CN100567224C (en) | 2009-12-09 |
Family
ID=36336696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800385569A Expired - Fee Related CN100567224C (en) | 2004-11-15 | 2005-01-13 | The metal expansion cell cartridge that is used for rock blasting |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20090078143A1 (en) |
| EP (1) | EP1828079A1 (en) |
| JP (1) | JP4620740B2 (en) |
| KR (1) | KR20060047085A (en) |
| CN (1) | CN100567224C (en) |
| CA (1) | CA2586957A1 (en) |
| WO (1) | WO2006052048A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101143319B1 (en) * | 2010-02-10 | 2012-05-09 | 원화코퍼레이션 주식회사 | Cartridge Assembly for Crushing Rock |
| WO2012025704A2 (en) * | 2010-08-26 | 2012-03-01 | Dgp (Global) Llp | Directional gas pressure device |
| CN103418475A (en) * | 2013-09-04 | 2013-12-04 | 刘玉龙 | Stone breaker |
| CN105444631A (en) * | 2016-01-06 | 2016-03-30 | 中国矿业大学 | Liquid-phase plasma rock blasting method |
| CN105806164B (en) * | 2016-04-08 | 2017-10-27 | 李学智 | Heat energy rock cleavage crush method |
| WO2019164027A1 (en) * | 2018-02-21 | 2019-08-29 | 에나엑스 에스.에이. | Metallic mixture blasting capsule |
| CN108871130B (en) * | 2018-06-29 | 2024-05-17 | 中国地质大学（北京） | Plasma blasting rock mechanical device capable of realizing hole wall sealing |
| CN115950308A (en) * | 2023-02-15 | 2023-04-11 | 广州地铁集团有限公司 | Air energy expansion rock fracturing system and method |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3024728A (en) * | 1958-11-21 | 1962-03-13 | Atlas Chem Ind | Delay electric explosion initiator |
| GB927705A (en) * | 1960-09-20 | 1963-06-06 | Graviner Manufacturing Co | Improvements in or relating to explosive charges |
| US3993001A (en) * | 1975-08-18 | 1976-11-23 | Tetra Plastics, Inc. | Explosive expansion means for attaching tubes to tube sheets |
| US4698532A (en) * | 1982-07-19 | 1987-10-06 | Westinghouse Electric Corp. | Electromagnetic projectile launcher with explosive-start and plasma drive |
| JPS63273800A (en) * | 1987-04-30 | 1988-11-10 | 日本油脂株式会社 | Laser initiating detonator |
| SE505665C2 (en) * | 1991-06-12 | 1997-09-29 | Berema Atlas Copco Ab | Method and apparatus for driving pipes into ground and cartridge used for this and for subsequent pipe blasting |
| US5636865A (en) * | 1995-12-05 | 1997-06-10 | Trw Vehicle Safety Systems Inc. | Inflator for an inflatable vehicle occupant protection device |
| US5732634A (en) * | 1996-09-03 | 1998-03-31 | Teledyne Industries, Inc. | Thin film bridge initiators and method of manufacture |
| US6339992B1 (en) * | 1999-03-11 | 2002-01-22 | Rocktek Limited | Small charge blasting apparatus including device for sealing pressurized fluids in holes |
| KR100442551B1 (en) * | 2001-10-23 | 2004-07-30 | 김창선 | Contact-detonating device of rapidly explosive compound material |
| US6789820B2 (en) * | 2002-06-26 | 2004-09-14 | Trw Vehicle Safety Systems Inc. | Variable output inflator |
-
2004
- 2004-11-15 KR KR1020040092920A patent/KR20060047085A/en not_active Application Discontinuation
-
2005
- 2005-01-13 EP EP05704493A patent/EP1828079A1/en not_active Withdrawn
- 2005-01-13 WO PCT/KR2005/000108 patent/WO2006052048A1/en active Application Filing
- 2005-01-13 CA CA002586957A patent/CA2586957A1/en not_active Abandoned
- 2005-01-13 JP JP2007541085A patent/JP4620740B2/en not_active Expired - Fee Related
- 2005-01-13 CN CNB2005800385569A patent/CN100567224C/en not_active Expired - Fee Related
- 2005-01-13 US US11/667,599 patent/US20090078143A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008520942A (en) | 2008-06-19 |
| CN101124182A (en) | 2008-02-13 |
| US20090078143A1 (en) | 2009-03-26 |
| JP4620740B2 (en) | 2011-01-26 |
| EP1828079A1 (en) | 2007-09-05 |
| CA2586957A1 (en) | 2006-05-18 |
| KR20060047085A (en) | 2006-05-18 |
| WO2006052048A1 (en) | 2006-05-18 |
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