EP1319641A2 - Procédé de réalisation d'un initiateur électro-pyrotechnique par emploi d'une colle aqueuse - Google Patents
Procédé de réalisation d'un initiateur électro-pyrotechnique par emploi d'une colle aqueuse Download PDFInfo
- Publication number
- EP1319641A2 EP1319641A2 EP02293070A EP02293070A EP1319641A2 EP 1319641 A2 EP1319641 A2 EP 1319641A2 EP 02293070 A EP02293070 A EP 02293070A EP 02293070 A EP02293070 A EP 02293070A EP 1319641 A2 EP1319641 A2 EP 1319641A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- pyrotechnic
- electro
- initiator
- lacquer
- ethylene
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/08—Primers; Detonators
- F42C19/12—Primers; Detonators electric
-
- 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
- F42B3/195—Manufacture
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
- C06C7/00—Non-electric detonators; Blasting caps; Primers
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
- C06C7/00—Non-electric detonators; Blasting caps; Primers
- C06C7/02—Manufacture; Packing
-
- 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
Definitions
- the present invention relates to the field technique of electro-pyrotechnic initiators. More specifically, the invention relates to a method of creation of an electro-pyrotechnic initiator.
- This manufacturing process adapts to any type initiator. They are either detonating initiators, also called detonators, i.e. of standard initiators igniters, intended for the ignition of propellant powder or of gas-generating substance. In this last case, the most common application is that of igniters for safety devices intended to protect occupants of a motor vehicle.
- An electro-pyrotechnic initiator is formed a resistive heating element and a substance thermosensitive.
- the resistive element may be present in the form of a filament, a small flat element dimension and very thin deposited on a circuit support printed or a resistive or semiconductor bridge in thin layers.
- the structure of the initiator must include elements very robust, such as a compression ring by example.
- the method of assembling the initiator requires the implementation of means important for dosing and compressing the substance powder.
- thermosensitive substance is then deposited in the form a compact paint adhering to the support.
- a first embodiment is to use solvents.
- Patent FR 2704944 and its correspondent US 5544585 describe such an embodiment.
- the explosive lacquer described in this patent consists by a primary explosive or an oxidizing-reducing mixture thermosensitive added with 2 to 15% of film-forming binder, previously dissolved in a solvent. Lacquer is deposited on the resistive element and the solvent is evaporated.
- the explosive lacquer includes a material pyrotechnic in the form of particles and a binder made of a particulate polymer resin.
- the lacquer may further comprise a solvent, alcohol ethyl.
- the lacquer is first deposited on the element resistive then heated to a first temperature, around 100 ° C, to remove the solvent and then to a second temperature of the order of 150 ° C., for agglomerate between them the particles of the binder and for bind the lacquer to the resistive element.
- the patent FR 2781878 describes a such an embodiment.
- the heat-sensitive substance contains 40 to 60% by weight of pyrotechnic substance pulverulent in suspension in 60 to 40% by weight of inert binder, capable of hardening by polymerization.
- the heat-sensitive substance is deposited on the element resistive and the polymerization is obtained by heating or by radiation.
- This embodiment requires in practice of the high contents in binder. it therefore limits the proportion of pyrotechnic material in the thermosensitive substance, increases its dispersion, and thus decreases the sensitivity of the initiator.
- the skilled person is therefore always looking of a method for producing an electro-pyrotechnic initiator which poses no risk to the personnel safety and that allows for filing and stick a substance on the resistive element thermosensitive, reliably and stably in the time.
- the present invention relates to such a method.
- the invention relates to a method for producing a electro-pyrotechnic initiator including a lacquer pyrotechnics initiated by a resistive heating element, characterized in that said pyrotechnic lacquer is obtained by depositing on the resistive element an adhesive aqueous consisting of a dispersion of a substance explosive and additives in an aqueous suspension to base of a copolymer chosen from copolymers ethylene / vinyl acetate and acetate copolymers of vinyl / ethylene acetate / ethylene, then by drying said aqueous adhesive at a temperature between 55 ° C and 75 ° C.
- lacquer is called the solid element obtained by evaporation of water contained in the drop of aqueous glue deposited on initiator. This lacquer is also sometimes called ignition pearl.
- the invention has the advantage of not using work with volatile and flammable solvents. Indeed, only water is used. Contrary to prejudice indicated in patent FR 2781878, water is eliminated easily, the drying step is not long and this does not degrade the performance of the substance thermosensitive.
- Another advantage of the invention is to realize a dispersion of the explosive substance in a aqueous suspension based on a copolymer. This allows to numb the explosive substance and handle safely in liquid state.
- the aqueous adhesive is deposited liquid on the element resistive in the form of a calibrated drop, using a lacquerer comprising a pneumatic dispenser. Drop aqueous glue is then dried at a temperature between 55 ° C and 75 ° C, preferably at 60 ° C. The heating to a temperature below 80 ° C prevents the formation of bubbles and therefore a poor contact with the resistive element.
- the drying is carried out according to a drying method common in the industry such as infrared radiation, hot pulsed air or induction.
- a preferred drying method is infrared radiation.
- the explosive substance used in the composition of the aqueous adhesive is chosen from the group consisting of primary explosives and oxidant-reducing mixtures.
- the primary explosive is a dinitrobenzofuroxane salt and, better still, the primary explosive is potassium dinitrobenzofuroxanate.
- the explosive substance is a mixture of zirconium and potassium perchlorate.
- the explosive substance used in the composition can be free of lead, which allows for environmentally friendly aqueous adhesives.
- the explosive substance content of the pyrotechnic lacquer after drying is between 65% and 95% by weight relative to the total weight of the pyrotechnic lacquer.
- the water content of the aqueous adhesive before drying is between 55% and 70% by weight relative to the total weight of the aqueous adhesive.
- the aqueous suspension based on copolymer is obtained by emulsion of ethylene / acetate copolymer vinyl or vinyl acetate / ethylene acetate / ethylene in the presence of surfactant.
- Preferred surfactants are anionic surfactants and alcohol Polyvinyl.
- the amount of surfactant used is between 0.1% and 2% by weight relative to the weight of the aqueous suspension based on copolymer.
- the aqueous suspension based on copolymer comprises in in addition to a plasticizer.
- This plasticizer is chosen from phthalates.
- a preferred plasticizer is phthalate dibutyl. This compound improves the adhesion of glue on the resistive element and adjust the hardness glue.
- the amount of plasticizer is included between 0% and 20% by weight relative to the weight of the aqueous suspension based on copolymer.
- the copolymer is a copolymer ethylene / vinyl acetate and the proportion of ethylene is between 10 and 30% by weight relative to the total weight of the ethylene / vinyl acetate copolymer.
- the amount of copolymer is between 50% and 60% by weight relative to the total weight of the suspension aqueous based on said copolymer.
- the aqueous glue also comprises additives such as thickening agent and an RX marker.
- the thickening agent is based on cellulose modified, this allows the viscosity of the sticks, between 6.5 and 9 Pa.s, to the deposition process.
- the amount of agent thickener is between 0.5 and 2.5% by weight relative to the total weight of the aqueous adhesive before drying.
- the glue can also contain an RX marker. Its role is to make the glue opaque to X-rays in the case where the other constituents of the aqueous adhesive, and in particular the explosive substance, does not contain no heavy metals.
- the RX marker consists of a metal powder or a metal salt, said metal having to absorb enough X-rays, while being compatible with the environment. It is preferentially chosen from the group consisting of tungsten, zirconium, bismuth or silver. This marker therefore makes it possible to control the initiator at the level of its manufacturing process.
- the fundamental originality of the invention lies in the fact of using an aqueous adhesive comprising a explosive substance and a copolymer suspended in the water.
- the glue is applied using a lacquer comprising a pneumatic metering device, in the form of a calibrated drop on the resistive heating element then the water is evaporated. Evaporation of water and nature of the copolymer make it possible to obtain, as shown the tests carried out, very good adhesion of the glue on the resistive element.
- the surfactant is chosen from surfactants anionics and polyvinyl alcohol.
- the additives contain a thickening agent and an RX marker.
- the thickening agent adjusts the viscosity of the glue, it is based on cellulose changed.
- the RX marker makes it possible to make the lacquer pyrotechnic opaque to X-rays. It is a powder of metal or a metal salt, the metal being chosen from the group consisting of tungsten, zirconium, bismuth or money.
- the explosive substance is chosen from the group made up of primary explosives and mixtures oxidizer-reducer.
- a preferred primary explosive is a dinitrobenzofuroxane salt, and better still the potassium dinitrobenzofuroxanate and a mixture preferred oxidant-reducer is the mixture zirconium / potassium perchlorate.
- the resistive heating element is a cylindrical filament, a directly photo-etched bridge on printed circuit board or layered bridge thin surface mounted on a circuit support printed.
- the explosive substance is a primary explosive and the resistive element is a semiconductor bridge often designated by the abbreviation SCB from its Anglo-Saxon designation "semi conductor bridge”.
- Figure 1 shows, seen in section, an initiator electro-pyrotechnic realized according to the process object of the invention, in which the resistive element is mounted in area.
- Figure 2 is a diagram of the device for to carry out the process which is the subject of the invention.
- this electro-pyrotechnic initiator 1 is made from a glass / metal crossing comprising a metal jacket 9 and an element insulator 2 carrying the two electrodes 3, 4.
- Each of these two electrodes 3, 4 presents, on the one hand, a upper end fixed by welding to a circuit printed 5 comprising a resistive heating element 11 of the CMS type ("surface mounted component"), and other hand, a lower end intended to be connected to a corresponding tubular plug.
- the printed circuit 5 is itself attached to the insulating element 2.
- a pyrotechnic lacquer 6 is stuck on the printed circuit 5 and the resistive element 11 and is surmounted by a metal cap 7 containing a composition reinforcing pyrotechnic 8, this metal cap 7 being welded to the cylindrical metallic liner 9 of the glass / metal crossing.
- initiators are placed in a vehicle electro-pyrotechnics 1 not yet assembled with the metal cap 7 and the pyrotechnic composition reinforcer 8.
- This vehicle 13 contains 10 rows of 20 inflammers.
- the vehicle 13 is placed on a conveyor belt 14.Place in a lacquerer 15, shown in section, 20g aqueous glue.
- the aqueous adhesive consists of 2.5% by weight of ethylene vinylpolyacetate and surfactant, 29% by weight of dinitrobenzofuroxanate potassium, 8% by weight of tungsten, 59.5% by weight of water and 1% by weight of hydroxypropyl is added cellulose to adjust viscosity to around 8 Not.
- the lacquerer 15 consists of a rotary agitator 16. This rotary agitator 16 is set in motion with a rotation speed of 35 ⁇ 5 rotations per minute so keep the glue elements in suspension.
- the oven temperature is 60 ° C and the duration of stay of the igniters in the oven is 30 minutes.
- the vehicle 22 containing the dried igniters i.e. covered with a drop of pyrotechnic lacquer 6 of mass 9mg ⁇ 3mg.
- the pyrotechnic lacquer is consisting of 72% by weight of dinitrobenzofuroxanate potassium, 6% by weight of ethylene vinylpolyacetate and surfactant, 2% by weight of hydroxypropyl cellulose and 20% by weight of powdered tungsten.
- Composition A is a composition having the following properties:
- Example 1 Adhesion of the pyrotechnic lacquer on the resistive element.
- the first test consists in subjecting the initiator to an acceleration greater than 20,000 g, ie greater than 196,000 m / s 2 in the positive direction of the axis of the initiator perpendicular to the bonding plane of the pyrotechnic lacquer.
- a second test consists in testing the adhesion of a non-active pyrotechnic lacquer, that is to say in which the explosive substance has been replaced, for safety reasons, by an inert substance, on a metal support.
- a non-active pyrotechnic lacquer that is to say in which the explosive substance has been replaced, for safety reasons, by an inert substance, on a metal support.
- two test pieces are glued with this non-active pyrotechnic lacquer, a tensile test is carried out on these two test pieces and the maximum stress that the pyrotechnic lacquer can withstand is measured.
- the first test shows that the igniters comprising an initiator produced according to the process which is the subject of the invention can withstand up to 6 times 20,000 g of acceleration, that is to say up to 6 times an acceleration of 196,000 m / s 2 .
- This test consists of conditioning the initiator at -40 ° C for 2 hours then placing it in a pressure bomb and subjecting it to an electric pulse with an amplitude of 1.2A for 2 ms. The pressure generated by the initiator is then measured inside the bomb. The time necessary for a pressure of 0.2 ⁇ 10 5 Pa, ie 0.2 bar, to be generated inside the manometric bomb is called “pressure appearance time”.
- composition A The initiators whose resistive element is covered with the pyrotechnic lacquer according to the invention give longer operating times shorter and more reproducible than the initiators according to the state of the art (composition B).
- the initiator is placed on the one hand the initiator comprising only the resistive element covered with the pyrotechnic lacquer and on the other hand the reinforcing charge. These two elements are placed at a calibrated distance from each other.
- the initiator is subjected, at ambient temperature, to an electrical pulse with an amplitude of 1.2 A for 2 ms.
- the pressure curve is recorded and the times corresponding to the first pressure rise and the second pressure rise are measured, from the time to corresponding to the start of the electrical pulse.
- the first pressure rise is due to the combustion of the pyrotechnic lacquer and the second pressure build-up is due to combustion of the charge intensifying.
- This test is carried out on new initiators and on aged initiators (accelerated aging of 400 hours at 107 ° C.).
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Air Bags (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Automotive Seat Belt Assembly (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
La substance explosive entrant dans la composition de la colle aqueuse est choisie dans le groupe constitué par les explosifs primaires et les mélanges oxydant-réducteur. Selon une première variante préférée de l'invention, l'explosif primaire est un sel de dinitrobenzofuroxane et, mieux encore, l'explosif primaire est le dinitrobenzofuroxanate de potassium. Selon une deuxième variante préférée de l'invention, la substance explosive est un mélange de zirconium et de perchlorate de potassium.
La teneur en eau de la colle aqueuse avant séchage est comprise entre 55% et 70% en poids par rapport au poids total de la colle aqueuse. Ce procédé de réalisation permet donc d'avoir, avant séchage, une proportion importante d'eau, ce qui facilite la mise en oeuvre et après séchage, une proportion importante de substance explosive, ce qui rend l'initiateur très réactif.
- de 60 à 95% en poids de substance explosive,
- de 5 à 15% en poids de tensioactif et de copolymère éthylène/acétate de vinyle ou acétate de vinyle/acétate d'éthylène/éthylène,
- de 0 à 25% en poids d'additifs.
- colle aqueuse selon l'invention, avant
séchage :
- dinitrobenzofuroxanate de potassium 29,0 ± 1,0%
- eau 59,5 ± 1,0%
- éthylène vinylpolyacétate (EVA) + alcool polyvinylique 2,5 ± 0,2%
- hydroxypropyl cellulose 1,0 ± 0,05%
- tungstène en poudre 8,0 ± 1,0%
- laque pyrotechnique selon l'invention,
après séchage :
- dinitrobenzofuroxanate de potassium 72,0 ± 1,0%
- éthylène vinylpolyacétate (EVA) + alcool polyvinylique 6,0 ± 0,5%
- hydroxypropyl cellulose 2,0 ± 0,05%
- tungstène en poudre 20,0 ± 1,0%
- colle, avec solvant, selon l'état de la technique (brevet FR 2 704 944 et son
correspondant US 5 544 585), avant
séchage
- trinitrorésorcinate neutre de plomb ultra-fin 59,1 ± 1,0%
- acétochlorure de polyvinyle 5,8 ± 0,5%
- méthyléthylcétone 19,8 ± 1,0%
- acétate de butyle 14,9 ± 1,0%
- dilaurate de dibutylétain (stabilisant) 0,4 ± 0,05%
- laque pyrotechnique selon l'état de la
technique, après séchage :
- trinitrorésorcinate neutre de plomb ultra-fin 90,5 ± 1,0%
- acétochlorure de polyvinyle 8,9 ± 0,5%
- dilaurate de dibutylétain (stabilisant) 0,6 ± 0,05%
Claims (25)
- Procédé de réalisation d'un initiateur électro-pyrotechnique (1) comprenant une laque pyrotechnique (6) initiée par un élément résistif chauffant (11), caractérisé en ce que ladite laque pyrotechnique est obtenue par dépôt, sur l'élément résistif, d'une colle aqueuse constituée d'une dispersion d'une substance explosive et d'additifs dans une suspension aqueuse à base d'un copolymère choisi parmi les copolymères éthylène/acétate de vinyle et les copolymères acétate de vinyle/acétate d'éthylène/éthylène, puis par séchage de ladite colle aqueuse à une température comprise entre 55°C et 75°C.
- Procédé selon la revendication 1, caractérisé en ce que le séchage de la colle aqueuse est effectué par rayonnement infra-rouge.
- Procédé selon la revendication 1, caractérisé en ce que la colle aqueuse est déposée liquide sur l'élément résistif sous la forme d'une goutte calibrée, à l'aide d'un laqueur (15) comprenant un doseur pneumatique (18).
- Procédé selon la revendication 1, caractérisé en ce que la substance explosive est choisie dans le groupe constitué par les explosifs primaires et les mélanges oxydant-réducteur.
- Procédé selon la revendication 4, caractérisé en ce que l'explosif primaire est un sel de dinitrobenzofuroxanne.
- Procédé selon la revendication 5, caractérisé en ce que l'explosif primaire est le dinitrobenzofuroxanate de potassium.
- Procédé selon la revendication 4, caractérisé en ce que la substance explosive est un mélange de zirconium et de perchlorate de potassium.
- Procédé selon la revendication 1, caractérisé en ce que la teneur en eau de la colle aqueuse avant séchage est comprise entre 55 et 70% en poids par rapport au poids de la colle aqueuse.
- Procédé selon la revendication 1, caractérisé en ce que la teneur en substance explosive de la laque pyrotechnique après séchage est comprise entre 65 et 95% en poids par rapport au poids total de la laque pyrotechnique.
- Procédé selon la revendication 1, caractérisé en ce que la quantité de copolymère est comprise entre 50 et 60% en poids par rapport au poids total de la suspension aqueuse à base dudit copolymère.
- Procédé selon la revendication 1, caractérisé en ce que la suspension aqueuse à base de copolymère contient en outre un tensio-actif choisi dans le groupe constitué par les tensio-actifs anioniques et l'alcool polyvinylique.
- Procédé selon la revendication 1, caractérisé en ce que la suspension aqueuse à base de copolymère contient en outre un plastifiant choisi parmi les phtalates.
- Procédé selon la revendication 1, caractérisé en ce que la colle aqueuse contient en outre un agent épaississant à base de cellulose modifiée.
- Procédé selon la revendication 1, caractérisé en ce que la colle aqueuse contient en outre une poudre de métal ou un sel de métal, opaque aux rayons X.
- Procédé selon la revendication 14, caractérisé en ce que le métal est choisi dans le groupe constitué par le tungstène, le zirconium, le bismuth ou l'argent.
- Initiateur électro-pyrotechnique (1) réalisé selon la revendication 1, comprenant une laque pyrotechnique (6) initiée par un élément résistif chauffant (11), caractérisé en ce que la laque pyrotechnique comprend :de 60 à 95 % en poids de substance explosive,de 5 à 15 % en poids de tensioactif et de copolymère éthylène/acétate de vinyle ou acétate de vinyle/acétate d'éthylène/éthylène,de 0 à 25 % en poids d'additifs.
- Initiateur électro-pyrotechnique (1) selon la revendication 16, caractérisé en ce que les additifs contiennent un agent épaississant et un marqueur RX.
- Initiateur électro-pyrotechnique (1) selon la revendication 17, caractérisé en ce que l'agent épaississant est à base de cellulose modifiée.
- Initiateur électro-pyrotechnique (1) selon la revendication 17, caractérisé en ce que le marqueur RX est une poudre de métal ou un sel de métal, le métal étant choisi dans le groupe constitué par le tungstène, le zirconium, le bismuth ou l'argent.
- Initiateur électro-pyrotechnique (1) selon la revendication 16, caractérisé en ce que la substance explosive est choisie dans le groupe constitué par les explosifs primaires et les mélanges oxydant-réducteur.
- Initiateur électro-pyrotechnique (1) selon la revendication 20, caractérisé en ce que l'élément résistif chauffant (11) est un filament cylindrique.
- Initiateur électro-pyrotechnique (1) selon la revendication 20, caractérisé en ce que l'élément résistif chauffant (11) est un pont directement photogravé sur un support de'circuit imprimé.
- Initiateur électro-pyrotechnique (1) selon la revendication 20, caractérisé en ce que l'élément résistif chauffant (11) est un pont en couches minces monté en surface sur un support de circuit imprimé.
- Initiateur électro-pyrotechnique (1) selon la revendication 20, caractérisé en ce que la substance explosive est un explosif primaire.
- Initiateur électro-pyrotechnique (1) selon la revendication 24, caractérisé en ce que l'élément résistif chauffant (11) est un pont semi-conducteur dit SCB.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0116218 | 2001-12-14 | ||
FR0116218A FR2833693B1 (fr) | 2001-12-14 | 2001-12-14 | Procede de realisation d'un initiateur electro-pyrotechnique par emploi d'une colle aqueuse |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1319641A2 true EP1319641A2 (fr) | 2003-06-18 |
EP1319641A3 EP1319641A3 (fr) | 2009-12-30 |
EP1319641B1 EP1319641B1 (fr) | 2010-10-20 |
Family
ID=8870509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02293070A Expired - Lifetime EP1319641B1 (fr) | 2001-12-14 | 2002-12-12 | Procédé de réalisation d'un initiateur électro-pyrotechnique par emploi d'une colle aqueuse |
Country Status (10)
Country | Link |
---|---|
US (1) | US6823797B2 (fr) |
EP (1) | EP1319641B1 (fr) |
JP (1) | JP3860534B2 (fr) |
KR (1) | KR100671728B1 (fr) |
AT (1) | ATE485250T1 (fr) |
BR (1) | BR0205261A (fr) |
CA (1) | CA2413014C (fr) |
DE (1) | DE60238027D1 (fr) |
FR (1) | FR2833693B1 (fr) |
MX (1) | MXPA02012212A (fr) |
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FR2877720B1 (fr) * | 2004-11-05 | 2009-11-06 | Davey Bickford Snc | Procede de realisation d'une interface electropyrotechnique entre un pont electrothermique et une composition primaire au sein d'un initiateur, initiateur obtenu |
US20090159163A1 (en) | 2006-04-19 | 2009-06-25 | Nipponkayaku Kabushikikaisha | Explosive Composition and Explosive Composition Shaped Body as Well as Method for Producing the Same |
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RU2631441C1 (ru) * | 2016-07-25 | 2017-09-22 | Акционерное общество "Муромский приборостроительный завод" | Линия изготовления капсюлей-воспламенителей |
US11486836B1 (en) * | 2020-06-29 | 2022-11-01 | The United States Of America As Represented By The Secretary Of The Navy | Method and system for determining the location in 3D space of an object within an enclosed opaque container |
CZ2021180A3 (cs) * | 2021-04-12 | 2022-10-19 | Austin Detonator S.R.O. | Suspenze třaskavé slože hlavičky pilule pro průmyslové elektrické rozbušky |
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EP1030159A1 (fr) * | 1999-02-18 | 2000-08-23 | Livbag SNC | Allumeur électropyrotechnique à sécurité d'allumage renforcé |
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- 2002-12-05 CA CA002413014A patent/CA2413014C/fr not_active Expired - Fee Related
- 2002-12-10 MX MXPA02012212A patent/MXPA02012212A/es active IP Right Grant
- 2002-12-11 BR BR0205261-0A patent/BR0205261A/pt not_active Application Discontinuation
- 2002-12-12 EP EP02293070A patent/EP1319641B1/fr not_active Expired - Lifetime
- 2002-12-12 DE DE60238027T patent/DE60238027D1/de not_active Expired - Lifetime
- 2002-12-12 AT AT02293070T patent/ATE485250T1/de not_active IP Right Cessation
- 2002-12-13 KR KR1020020079728A patent/KR100671728B1/ko not_active IP Right Cessation
- 2002-12-16 JP JP2002364045A patent/JP3860534B2/ja not_active Expired - Fee Related
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US4016018A (en) * | 1969-12-22 | 1977-04-05 | Etat Francais | Method of preparing priming explosives |
WO1995011421A1 (fr) * | 1993-10-20 | 1995-04-27 | Quantic Industries, Inc. | Dispositif d'amorçage electrique |
FR2720494A1 (fr) * | 1994-05-24 | 1995-12-01 | Thomson Brandt Armements | Amorce détonateur à éclateur intégré. |
WO1998045663A1 (fr) * | 1997-04-09 | 1998-10-15 | The Ensign-Bickford Company | Initiateur a charge d'amorce faiblement compacte et procede d'assemblage |
FR2781878A1 (fr) * | 1998-07-31 | 2000-02-04 | Giat Ind Sa | Procede de mise en oeuvre d'une substance pyrotechnique et initiateur pyrotechnique obtenu avec un tel procede |
EP1030159A1 (fr) * | 1999-02-18 | 2000-08-23 | Livbag SNC | Allumeur électropyrotechnique à sécurité d'allumage renforcé |
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WO2004076960A1 (fr) * | 2003-02-27 | 2004-09-10 | Dynitec Gmbh | Detonateur electrique |
EP2100087B1 (fr) * | 2007-01-11 | 2016-03-23 | Rheinmetall Waffe Munition GmbH | Moyen d'amorçage |
LU92500B1 (en) * | 2014-07-22 | 2016-01-25 | Gerrit Leon Theodor Henri Spaas | Pyro-electrically actuated needle free injection device |
RU2721519C1 (ru) * | 2019-07-19 | 2020-05-19 | Акционерное общество "Муромский приборостроительный завод" | Электровоспламенительный состав для патронных капсюлей к нелетальному оружию |
CN110963872A (zh) * | 2019-11-15 | 2020-04-07 | 上海航天化工应用研究所 | 一种高燃速固体推进剂用的改性氧化剂及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2003238285A (ja) | 2003-08-27 |
EP1319641B1 (fr) | 2010-10-20 |
KR20030051316A (ko) | 2003-06-25 |
FR2833693B1 (fr) | 2004-03-12 |
JP3860534B2 (ja) | 2006-12-20 |
CA2413014A1 (fr) | 2003-06-14 |
ATE485250T1 (de) | 2010-11-15 |
MXPA02012212A (es) | 2004-10-29 |
FR2833693A1 (fr) | 2003-06-20 |
BR0205261A (pt) | 2004-07-20 |
KR100671728B1 (ko) | 2007-01-22 |
DE60238027D1 (de) | 2010-12-02 |
CA2413014C (fr) | 2005-06-28 |
US6823797B2 (en) | 2004-11-30 |
US20030110971A1 (en) | 2003-06-19 |
EP1319641A3 (fr) | 2009-12-30 |
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