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WO2004023063A1 - Allumeur pour element de gonflage et son procede de production - Google Patents

Allumeur pour element de gonflage et son procede de production Download PDF

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Publication number
WO2004023063A1
WO2004023063A1 PCT/JP2003/011079 JP0311079W WO2004023063A1 WO 2004023063 A1 WO2004023063 A1 WO 2004023063A1 JP 0311079 W JP0311079 W JP 0311079W WO 2004023063 A1 WO2004023063 A1 WO 2004023063A1
Authority
WO
WIPO (PCT)
Prior art keywords
fire material
igniter
slurry
fire
material slurry
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.)
Ceased
Application number
PCT/JP2003/011079
Other languages
English (en)
Japanese (ja)
Inventor
Gen Kinoshita
Hiroshi Harada
Shingo Oda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daicel Corp
Original Assignee
Daicel Chemical Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daicel Chemical Industries Ltd filed Critical Daicel Chemical Industries Ltd
Priority to EP03794146A priority Critical patent/EP1548391B1/fr
Publication of WO2004023063A1 publication Critical patent/WO2004023063A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
    • C06C9/00—Chemical contact igniters; Chemical lighters
    • 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
    • F42B3/121—Initiators with incorporated integrated circuit
    • 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
    • F42B3/128—Bridge initiators characterised by the composition of the pyrotechnic material
    • 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

Definitions

  • the present invention relates to an igniter suitably used for inflation of an airbag, and a method of manufacturing the igniter.
  • an igniter has been used as a detonator for inflation for airbags.
  • an electric actuation signal has been received and converted into heat energy to ignite the fire material.
  • the so-called electric igniter that burns has become mainstream.
  • the electric igniter typically includes a pair of conductive pins for receiving an electrical actuation signal, an electrical resistance wire electrically connected between the conductive pins, and a contact with the electrical resistance wire.
  • the conductive pin receives an actuation signal, and when a current flows through the electric resistance wire, the resistance wire is heated to heat the fire material. Is to be ignited.
  • Japanese Patent Application Laid-Open No. 9-210596 describes that maintaining an appropriate connection between the cross-linked wire and the fire material is an important factor for the performance of the electric detonator ( For example, good contact between the two to ignite) and the structure of the bridge wire to keep the electrical ignition circuit closed (eg, to reduce the risk of breaking the bridge wire).
  • the target integrity is mentioned.
  • the present invention relates to an igniter suitably used for an inflation for an airbag, and a product thereof. More particularly, the present invention relates to an inflation overnight igniter characterized by a method of charging a fire material (or an igniter) that burns upon operation and generates a flame or the like, and a method of manufacturing the same.
  • the first slurry (fire material slurry) loaded from the open end of the loading casing is 500,000 centimeters or more of voids. Due to its high viscosity, even when it is loaded in the loading case, it is difficult to be level because a projection is formed on the upper surface (that is, the side on which the ignition assembly is loaded). Therefore, some preparation is required when loading the slurry to make the upper surface horizontal. If the top surface is not leveled without any measures, i.e., if the protrusions are still dry, the protrusions should cut the bridge wire when the ignition assembly is installed at the open end of the loading casing. Is also concerned.
  • the present invention solves the above-mentioned conventional problems, and does not damage a bridging wire and other heating elements that generate heat due to an ignition current, and ensures that the heating element and the fire material are in contact with each other, and further simplifies the manufacturing process. It is an object of the present invention to provide an inflation overnight igniter which can be converted into an inflatable igniter, and a method of manufacturing the igniter.
  • the present invention provides, as a means for solving the above problem, an inflation system comprising a fire material storage space for storing a fire material, and a heating element which generates heat by an ignition current is provided on a bottom surface in the fire material storage space.
  • a fire igniter wherein the fire material is obtained by filling a fire material slurry in which a fuel component and an oxidant component are dispersed in a solvent into a fire material collection space, and drying the fire material.
  • a fire igniter for inflation is provided, characterized in that the fire material present in the material storage space surrounds the heating element and is in close contact therewith.
  • the fire material is obtained by filling a fire material slurry in which a fuel component and an oxidant component are dispersed in a solvent into a fire material storage space, and then drying. For this reason, the filled fire material slurry is dried and solidified while surrounding the heating element.Therefore, there is no need to press the heating element against the solidified fire material, thereby preventing damage and disconnection of the heating element. In addition, the close contact between the heating element and the fire material can be ensured. In particular, when the viscosity of the fire material slurry to be filled is low, unlike the case where the heating element is pressed against the solidified fire material, the fire material surrounds the entire heating element existing in the fire material storage space. However, the contact with the heating element is improved, and as a result, the operation reliability is improved.
  • the fire material slurry Prior to drying, the fire material slurry is obtained by further uniformly dispersing an oxidizer component in a fuel slurry in which a fuel component is uniformly dispersed in a solvent.
  • the fuel component consists only of a metal component
  • the ignition sensitivity is high in the powder state, and handling is difficult
  • the handling of the powder can be eliminated by dispersing the fuel component in a solvent together with a binder.
  • the metal component of the fuel slurry since the metal component of the fuel slurry must be uniformly dispersed in the solvent, it is necessary to sufficiently stir the fuel slurry.
  • the viscosity of the fuel slurry is within the range of 1,000 to 500,000 centipoise, sufficient stirring can be achieved, and the fuel in which the fuel component is uniformly dispersed in the solvent can be obtained.
  • a slurry can be formed.
  • the fire material since the fire material is formed by filling the fire material slurry into the fire material collection space and drying, the fire material slurry must be contained in the fire material slurry in order to ensure the ignition of the fire material. In the above, it is necessary to uniformly disperse the fuel component and the oxidizer component. If the viscosity of the fired material slurry is within the range of 1,000 to 500,000 centiboise, sufficient stirring can be achieved, and the fuel component and the oxidizing component are contained in the solvent. Can be formed to uniformly disperse the fire material slurry.
  • the well-stirred fire material slurry is filled into the fire material storage space of the igniter and dried, and as a result, the igniter produced has the fuel material and the oxidizer component as the fire material. Is evenly distributed Will be scattered.
  • the fire material in which the fuel component and the oxidant component are uniformly dispersed is in close contact with the heating element, the fire material is reliably ignited by the heat generated by the heating element, and the ignition performance is improved. Will be maintained.
  • the charge holder that defines the periphery of the fire material storage space is formed using a flammable material such as synthetic resin. Can be formed. If the fire material is in the form of a dry powder when filling into the fire material storage space, for example, US Pat. No. 6,099,809 may be used after filling into the fire material storage space. As disclosed in Japanese Patent Application Laid-Open No. H11-163, a force is applied to the filled fire material by pressing the fire material against the heating element by a convex portion formed at the closed end of the cup, and the heating element and the fire material are combined.
  • the fire material is in the form of a slurry, and is simply filled without applying pressure, so that a resin charge holder can be used.
  • the wall thickness can be reduced. Therefore, according to the inflation overnight igniter of the present invention, it is possible to use a charge holder formed by using a flammable material such as a resin, and to eliminate unintended deformation of the charge holder. it can. Further, the charge holder is attached to a portion where the heating element is provided (header portion) to form a fire material storage space.
  • the header portion is formed. Can be fixed by a simple method such as bonding with an adhesive, and the burner material burns out the holder, so even if the adhesion to the header is weak, No scattering when the igniter is activated. Further, even when the charge holder is formed using metal, the thickness can be reduced, so that the charge holder can be easily formed by pressing, and as a result, the manufacturing cost can be reduced. .
  • the heating element is formed as a bridge wire consisting of an electric resistance wire, etc., and at least a part is formed as a heating section on a substrate placed in the fire material storage space. It can also be done.
  • the heating element When the heating element is formed as a heating section on the substrate, the heating element can be easily formed according to the example of the electric circuit formation, the variation in the resistance value can be suppressed, and the heating element such as disconnection can be obtained. Can also have a negative impact on
  • the substrate can be further provided with an integrated circuit and a capacitor, whereby an igniter for inflation over time capable of coping with a bus system is provided.
  • an igniter for inflation over time capable of coping with a bus system is provided.
  • a slurry-like fire material is used, even when an igniter compatible with a bus system is formed, there is no adverse effect on a capacitor or an integrated circuit.
  • the pressure at the time of pressing may adversely affect the capacitors and integrated circuits that are electrical and electronic circuit components.
  • the present invention can eliminate such a problem.
  • the present invention in an igniter applicable to a pass system having a powerful integrated circuit and a capacitor, the pressure between the fire material and the heating element (heating portion) is ensured while ensuring the contact.
  • the present invention provides an infra-red igniter in which electronic components such as an integrated circuit and a capacitor are not likely to be damaged by the influence of the above.
  • the present invention also provides, as another means for solving the above problems, a step of producing a fuel material slurry in which a fuel component and an oxidizing agent component are dispersed in a solvent, and a plate-shaped header member,
  • a method for manufacturing an inflation overnight igniter comprising: a step of dropping a fire material slurry onto a heating element that generates heat by an ignition current; and a step of drying the dropped fire material slurry.
  • the fire material slurry is dropped on the heating element provided on the header member and dried.
  • close contact between the fire material and the heating element is ensured, and operation reliability can be ensured.
  • the heating element since it is not necessary to press the heating element against the dried and solidified slurry, the heating element can be prevented from being damaged or disconnected.
  • the step of manufacturing the fuel it is desirable to form a fuel slurry in which a fuel component and a binder component are dispersed in a solvent, and to add an oxidizer component to the fuel slurry to form a fire material slurry.
  • the fuel component consists only of metal components and it is difficult to handle in a powder state because of its high ignition sensitivity, disperse the fuel component in a solvent together with a binder to eliminate the need for handling in powder.
  • Safety that is, the danger of ignition of fuel components can be eliminated.
  • zirconium described below is used as a fuel component, the powder has extremely high sensitivity and easily ignites, so that handling in a state of being dispersed in a solvent can enhance the safety during production.
  • a binder in the fire material slurry preferably in the fuel slurry, a physical force such as pressurization is not applied, and a force is not applied due to a structural feature or the like.
  • a physical force such as pressurization is not applied, and a force is not applied due to a structural feature or the like.
  • the fuel slurry and the fuel material slurry have a viscosity of 1,000 to 500,000 centimeters of voids, preferably a viscosity of 5,000 to 300,000 centimeters of voids, more preferably It is desirable to have a viscosity of 100,000 to 100,000 centimeters and to stir this. By setting the viscosity within this range, the stirring operation is facilitated and the components can be uniformly mixed. When the viscosity of the slurry to be stirred is higher than 500,000 centi-boise, it becomes difficult to mix the components, and projections are easily formed on the surface when dropped on the heat generating body as described later.
  • the viscosity can be set in this range by adjusting the temperature of the fuel slurry / fire material slurry, the environmental temperature, and the like, and by adjusting the amount of the solvent added.
  • the metal component contained in the fire material slurry has a large specific gravity, It sinks over time. Therefore, it is desirable to drop the slurry while stirring and to uniformly disperse each component without causing the fuel component to settle.
  • the viscosity of the slurry is kept low for reasons such as dispersing the components evenly, the metal material tends to settle, and as a result, the fire material slurry is heated while stirring. The significance of dropping on the surface is significant.
  • the peripheral wall surrounding the heating element prior to the dripping is placed on the side of the plate-shaped header member where the heating element that generates heat by the ignition current is present. It is desirable to attach the provided charge holder. If a charger holder is attached in advance, when the fire material slurry is dropped on the heating element, the fire material slurry can also be dropped on the space defined by the header member and the charge holder.
  • This charge holder can be installed as it is even after the dripping of the fire material slurry, and can be used as a space for accommodating the fire material in the igniter.
  • the charge holder is usually made of the same material as the header.
  • the charge holder can also be made of stainless steel.
  • the charge holder and the header can be formed of different materials.
  • the charge holder is cylindrical and can be attached by welding one end to the header. At this time, in order to prevent the charge holder from scattering when the igniter is activated, it is necessary to securely weld the charge holder to the header.
  • the charge holder can be formed using a flammable material such as a synthetic resin so as to be broken or burned when the igniter is operated. With this configuration, the charge holder itself is prevented from being scattered by the burnout of the charge holder during operation of the igniter.
  • a flammable material such as synthetic resin
  • the charge holder made of flammable material only plays a role of a type when the fire material slurry is dropped onto the header, and once the slurry is solidified, the role of the charge holder is one. It is over. In addition, when the fire material is ignited, the charge holder is also burnt and does not fly.
  • the fuel component is used in the form of a powder, and a powder selected from the group consisting of zirconium, iron, tin, manganese, cobalt, nickel, tungsten, titanium, magnesium, aluminum, diobium, and a mixture thereof is used. Among them, a powder made of zirconium is preferable.
  • the oxidizer component is used in the form of a powder, and is composed of a perchlorate such as potassium perchlorate, lithium perchlorate, sodium perchlorate, and a nitrate such as nitric acid lime, and a mixture thereof.
  • a powder selected from the group consisting of potassium perchlorate may be used.
  • Organic solvents such as isopropyl alcohol, methyl ethyl ketone, and hexane can be used as the solvent in which the fuel component and the oxidant component are dispersed.
  • the binder that can be blended into the fire material slurry examples include a cell-based resin, a urethane resin, and a fluorine-based rubber composition.
  • the fire material slurry may use an additive selected from the group consisting of glass powder, glass fiber, ceramic fiber, steel wool, bentonite, kaolinite, and a mixture thereof.
  • the binder is desirably selected from the group consisting of hydroxypropylcellulose, nitrocellulose, and urethane. This is to prevent the perchloric acid power room from melting into the binder.
  • the heating element that generates heat by the ignition current in addition to the one which is an electric resistance wire, a bridge wire, a wire composed of a printed circuit, and a material including an integrated circuit and a capacitor can also be used. Further, by forming the airbag inflator using the inflation overnight igniter, an airbag inflator that can be reliably operated is provided.
  • an inflation system for an airbag used in an inflatable safety system for a vehicle wherein an igniter for starting operation of the inflation system is activated in a housing having a gas discharge port, and activated by the operation of the igniter.
  • the inflation overnight igniter receives an operation signal because it does not cause damage or disconnection of the heating element and ensures that the heating element is in close contact with the heating element. Then, the gas generator can be reliably activated and the gas generating means can be activated. As a result, the airbag inflation force S can be provided which can be reliably activated when necessary.
  • the igniter for an inflation heater includes a hybrid-type inflation device, an inflation device used for inflating a power-type airbag, a fire-type inflation device, and a seatbelt.
  • a hybrid-type inflation device In order to activate the gas generating means or break down the gas-sealing member used to inflate the airbag during inflation or other inflation used in tensioners or knee polsters. It can be used in various applications such as.
  • produces by an ignition current are not damaged, but a heating element and a fire material are reliably contacted.
  • a method of manufacturing an inflation overnight igniter which can further simplify the manufacturing process is provided.
  • damage to a heating element is eliminated, and a heating element and a fire An inflation igniter is provided which ensures close contact with the material and which operates reliably when needed.
  • FIG. 1 is a longitudinal sectional view showing an inflation overnight igniter.
  • FIG. 2 is a process chart showing a method of manufacturing an inflation overnight igniter.
  • FIG. 3 is a longitudinal sectional view showing another inflation overnight igniter.
  • FIG. 1 is an axial sectional view showing an embodiment of the inflation evening igniter 100
  • FIG. 2 is a process diagram showing a method of manufacturing the inflation evening igniter 100 shown in FIG. 1
  • FIG. 2 is an axial sectional view showing an embodiment of an infra-red evening igniter 200 of FIG.
  • the inflator igniter 100 shown in FIG. 1 holds a pair of conductive pins 101a and 101b for receiving an electric operation signal in a plate-shaped header member 102 in an insulated state, and also includes a header member.
  • a cylindrical charge holder 103 is erected along the edge of 102, and a space formed by the charge holder 103 and the header member 102 (that is, A bridge wire 105 serving as a heating element for converting electric energy into heat energy is provided on a bottom surface in the space 104), that is, on an upper surface of the header member 102, to form an igniter sub-assembly 106.
  • the fire material 107 is accommodated in the fire material storage space 104 of the igniter sub-assembly 106 to constitute the inflation overnight igniter 100.
  • one conductive pin 101a is joined to the annular portion 102a of the header member 102 made of an electrical conductor so as to be able to conduct electricity.
  • the other conductive pin 101b is placed in a glass or other electrical insulator 102b filled in a hole existing at the center of the portion 102a, with its end face exposed on the upper surface of the header member 102.
  • the upper surface of the annular portion 102a, the upper surface of the electrical insulator 102b, and the end surface of the conductive pin 101 present in the central hole of the annular portion 102a are flush with each other, and are in contact with the upper surface of the annular portion 102a.
  • a heating element that generates heat by an ignition current that is, a bridge wire 105 is provided between the conductive pin 101b and the end face of the conductive pin 101b held by the electrical insulator 102b.
  • a cylindrical charge holder 103 is provided on the surface of the header member 102 on which the bridge wire 105 is provided, and the two are joined together.
  • the charge holder 103 can be formed integrally with the header member 102.
  • the header member 102 and the charge holder 103 may be formed of the same material, and one end of the charge holder 103 may be attached to the header member 102 by welding, or the header member 102 and the charge holder 103 may be made of different materials.
  • the header member 102 may be formed of stainless steel, and the charge holder 103 may be formed of a flammable material), and both may be fixed with an adhesive.
  • the header member 102 is formed of an insulating material such as a resin, and the end surfaces of the conductive pins 101 are exposed on the upper surface of the header member 102, and a bridge wire is provided between the end surfaces of the conductive pins 101. 105 can also be installed.
  • the header member 102 and the charge holder 103 are formed.
  • the fire material 107 contained in the space 104 is filled with a fire material slurry 107s dispersed in a solvent containing a fuel component 107a and an oxidizer component 107b into the fire material collection space 104. It is dry. Therefore, an example of a method of manufacturing the inflation overnight igniter 100 will be described with reference to FIG.
  • a fuel component 107a composed of zirconium powder and a binder 107c selected from the group consisting of hydroxypropyl cellulose, nitrocellulose and urethane are mixed with a solvent 107d selected from isopropyl alcohol, methyl alcohol, hexane, and the like.
  • the fuel slurry is dispersed to form a fuel slurry 107s', which is stirred at a viscosity of 1,000 to 500,000 centimeters [Fig. 2 (a)].
  • a perchloric acid power rim is blended with the fuel slurry 107s' as an oxidizing agent component 107b to form a fire material 107 slurry, and a viscosity of 1,000 to 500,000 cm. [Fig. 2 (b);].
  • the fuel slurry 107s' ⁇ fire material slurry 107s has a viscosity of 1,000 to 500,000 centiboise
  • the components 107a to 107c can be highly dispersed. Since the zirconium powder of the fuel component 107a is used by dispersing it in the solvent 107d together with the binder 107c, it is possible to prevent undesired ignition during production.
  • the fire material slurry 107s is placed in the space formed by the header member 102 and the charge holder 103 in the igniter subassembly 106, ie, the fire material. Fill the receiving space 104 with stirring (FIG. 2 (c)). By filling the fuel material slurry 107s with stirring, it is possible to prevent the composition from becoming uneven due to the settling of the fuel component at the time of filling. After the fire material slurry 107s filled in the fire material collection space 104 is dried, the space 104 is closed (FIG. 2 (d)). At the time of closing, as shown in FIG.
  • the charge holder 103 is closed by a cover member 120 that covers only the open end (upper end) of the charge holder 103, or the charge holder 103 is extended to the periphery of the cover member as far as the charge holder.
  • the lid member having the peripheral wall portion covered can be covered from the top in FIG. 2, and the lower end portion of the peripheral wall portion can be closed by welding (eg, laser welding) to the outer peripheral portion of the header.
  • welding eg, laser welding
  • the lid member 120 is fixed by welding, the latter is more preferable in order to suppress the thermal influence on the fire material 107.
  • the fire material slurry 107s filled in the space 104 is adjusted to a viscosity of 1,000 to 500,000 centimeters as described above, the drying time may not be too long. Absent.
  • the fire material 107 is made into a slurry (107s) and filled (Fig. 2 (c)), so the fire material 107 is pressed and pressed against the ridge wire 105.
  • a slurry (107s) and filled (Fig. 2 (c)) it is not necessary to press the bridge wire 105 against the dried and solidified fire material, so that the bridge wire 105 is not damaged.
  • the bridge wire 105 and the fire material 107 are surely brought into close contact with each other.
  • FIG. 3 shows an embodiment of an inflation igniter 200 using an integration circuit 205c as a heating element for converting electric energy into heat energy.
  • the igniter 200 shown in this figure is an igniter 200 that can correspond particularly to a bus system provided in a vehicle, and can be configured to include an integrated circuit 205c, a capacitor, and the like.
  • the igniter 200 has an integrated circuit 205c and a heat generating portion 206 on a substrate 205.
  • the heat generating portion 206 is surrounded by a resin 210 except for the heat generating portion 206, and the heat generating portion 206 protrudes into a fire material storage space 204.
  • the pair of conductive pins 201 is connected to a circuit. As a result, when the conductive pin 201 receives the operation signal, it is determined whether or not the integrated circuit 205c operates, and if operation is necessary, heat is generated to ignite and burn the fire material 107.
  • the substrate 205 (essentially an integrated circuit 205c, a capacitor, etc.) Without damaging the heat generating part 206 and the fire material 107 Can be closely related to ⁇

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Air Bags (AREA)

Abstract

L'invention concerne un allumeur pour élément de gonflage et son procédé de production. Dans cet allumeur, un élément de chauffage mis en contact avec un matériau d'amorçage sans être endommagé génère de la chaleur avec un courant d'allumage. Le procédé de production de cet allumeur peut être simplifié. Selon l'invention, ce procédé comprend une étape consistant à produire une suspension épaisse d'un matériau d'amorçage formé par dispersion d'un composant combustible et d'un agent oxydant dans un solvant, une étape consistant à faire égoutter la suspension épaisse de matériau d'amorçage sur l'élément chauffant chauffé par un courant d'allumage d'un collecteur planaire, et une étape consistant à faire sécher la suspension épaisse de matériau d'amorçage que l'on a fait égoutter.
PCT/JP2003/011079 2002-09-02 2003-08-29 Allumeur pour element de gonflage et son procede de production Ceased WO2004023063A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03794146A EP1548391B1 (fr) 2002-09-02 2003-08-29 Allumeur pour element de gonflage et son procede de production

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2002256565 2002-09-02
JP2002-256565 2002-09-02
JP2003-302679 2003-08-27
JP2003302679A JP4206009B2 (ja) 2002-09-02 2003-08-27 インフレータ用点火器及びその製造方法

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Publication Number Publication Date
WO2004023063A1 true WO2004023063A1 (fr) 2004-03-18

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JP (1) JP4206009B2 (fr)
WO (1) WO2004023063A1 (fr)

Cited By (1)

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JP2008057805A (ja) * 2006-08-29 2008-03-13 Daicel Chem Ind Ltd 電気式点火器及びその製造方法

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US6905562B2 (en) * 2003-09-04 2005-06-14 Autoliv Asp, Inc. Low density slurry bridge mix
US7789984B2 (en) 2005-12-19 2010-09-07 Daicel Chemical Industries, Ltd. Method for supplying pyrotechnic material slurry
JP2007170687A (ja) * 2005-12-19 2007-07-05 Daicel Chem Ind Ltd 火工材料スラリーの供給方法
JP4473818B2 (ja) 2005-12-28 2010-06-02 昭和金属工業株式会社 イニシエータ用点火薬とその製造方法及びそれを用いたイニシエータの製造方法
JP4705550B2 (ja) * 2006-10-26 2011-06-22 日本化薬株式会社 スクイブならびにエアバッグ用ガス発生装置およびシートベルトプリテンショナー用ガス発生装置
JP4668889B2 (ja) * 2006-12-01 2011-04-13 日本化薬株式会社 点火素子搭載コンデンサ、ヘッダーアッシー、スクイブならびにエアバッグ用ガス発生装置およびシートベルトプリテンショナー用ガス発生装置
DE102007021451A1 (de) * 2007-04-05 2008-10-09 Rwm Schweiz Ag Subprojektil mit energetischem Inhalt
US9250046B2 (en) 2011-12-14 2016-02-02 Detnet South Africa (Pty) Ltd Detonator

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JP2004115001A (ja) 2004-04-15
EP1548391B1 (fr) 2012-06-20
JP4206009B2 (ja) 2009-01-07
EP1548391A4 (fr) 2010-09-15

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