WO2005100905A1 - 点火器及びこれを有するガス発生器 - Google Patents
点火器及びこれを有するガス発生器 Download PDFInfo
- Publication number
- WO2005100905A1 WO2005100905A1 PCT/JP2005/007333 JP2005007333W WO2005100905A1 WO 2005100905 A1 WO2005100905 A1 WO 2005100905A1 JP 2005007333 W JP2005007333 W JP 2005007333W WO 2005100905 A1 WO2005100905 A1 WO 2005100905A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- igniter
- head
- embolus
- agent
- electrode pins
- Prior art date
Links
Classifications
-
- 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
- F42B3/103—Mounting initiator heads in initiators; Sealing-plugs
-
- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R2021/26029—Ignitors
Definitions
- the present invention relates to an igniter used as a gas generator for operating an occupant safety protection device such as an automobile seat belt pretensioner or an airbag, and a gas generator having the igniter.
- Seat belt pretensioners and airbags are known as devices for protecting occupants from impacts caused by a collision of an automobile. These pretensioners and airbags are activated by a large amount of gas introduced from the gas generator cap to protect occupants.
- the gas generator is equipped with an igniter, a gas generating agent, etc., and the gas generating agent ignites and burns due to the fire (high-temperature gas and particles) generated from the igniter cap in the event of a collision, and rapidly generates a large amount of gas. Let it.
- an igniter used for a gas generator there is an igniter used for a gas generator described in FIG. 14 of Patent Document 1.
- This igniter is provided with two electrode pins 20 and 21 penetrating a header (emboli) 100.
- Each of these electrode pins 20 and 21 has a head at its tip, and is installed on a header (emboli) 100 such that the head is in contact with the surface of the header (emboli) 100 on the side of the railway bridge 30. ing.
- the heads of the electrode pins 20 and 21 are electrically connected to each other by a bridge 30. Denbashi Line 30 is covered with primer 1120.
- the header (emboli) 100 is formed by injection molding of polybutylene terephthalate.
- This igniter is mounted on a gas generator without output cup 160 and output charge 170.
- the primer 1120 and the flash charge 1050 are less sensitive to electrostatic discharge, or the base (holder) 1090 of the gas generator must provide a low voltage spark gap to the electrode pins 20,21. is there.
- the electric bridge line 30 generates heat by a current based on the collision signal of the collision sensor force.
- the heated bridge 30 ignites and burns the primers 1120 and 1050.
- the gas generated by the combustion of the primers 1120 and 1050 ignites the gas generant 305 and burns.
- the generated gas is blown into the seat belt pretensioner, the airbag, and the like.
- Patent Document 1 Japanese Patent Publication No. 9-504599 (FIG. 14)
- the present invention has been made in view of the above problems, and has been made in such a manner that even if the adhesion between the igniting agent and the embolus is eliminated by vibration or impact, normal ignition of the gas generating agent is performed.
- An object of the present invention is to provide a firearm and a gas generator having the same.
- the igniter of the present invention includes an embolus 13, two or more electrode pins 14 penetrating the embolus 13 and each having a head 25, and at least two of the electrode pins 14.
- An igniter comprising: a bridge wire 16 connecting the heads 25 of the electrode pins 14 to each other; and an ignition charge 10 ignited by the bridge wire 16 energized via the electrode pins 14.
- the embolus 13 is a cured product of a thermosetting resin composition
- the electrode pin 14 is connected to the electric head bridge 16 to the head 25 between the head 25 and the embolus 13.
- At a predetermined distance A penetrates the embolus 13, and at least the head 25 and the bridge 16 are surrounded by the igniting agent 10, which is a solid body, and is fixed to the embolus 13. It is characterized by that.
- the "head 25" refers to a head having a plane having an area larger than the cross section of the pin perpendicular to the center line at the top of the head.
- the igniting agent 10 covers the periphery of the head 25 of the electrode pin 14 and the bridge 16. Further, the ignition charge 10 can be arranged between the head 25 of the electrode pin 14 and the embolus 13. Therefore, even if the state of adhesion between the igniting agent 10 and the plug 13 is broken by vibration or impact, etc., the igniting agent 10 is caught on the portion protruding from the electrode pin 14, so that the bridge wire 16 is cut. Is less likely to occur.
- the embolus 13 does not soften even at a high temperature, it is possible to prevent the electrode pin 14 from falling out of the embolus 13 at the time of fire or the like. As a result, the thickness of the embolus 13 can be reduced, and the size of the igniter 4 can be reduced. Furthermore, since the igniting charge 10, the head 25, and the bridge wire 16 are integrated, even if the adhesion between the igniting charge 10 and the plug 13 is broken by vibration or impact, etc. 16 is less likely to be cut. As a result, a highly reliable igniter 4 that can reliably ignite the gas generating agent 2 can be obtained.
- the top of the head 25 of the electrode pin 14 to which the electric wire 16 is connected has a flat portion 25a crossing the axis.
- a predetermined distance between the head 25 and the embolus 13 is within a range of 0.1 mm to 2.0 mm.
- the igniting agent 10 is a solid body, and a coating layer 30 is provided on a surface of the solid body.
- a cup body usually used for an igniter can be omitted, and the number of parts can be reduced. Further, the size of the igniter 4 can be reduced.
- a gas generating agent based on trocellulose whose surface is treated with graphite hereinafter referred to as “smokeless powder”
- a metal cup 3 containing the gas generating agent 2 is used. If a high voltage is generated between the and the electrode pin 14 due to static electricity or the like and discharge occurs, the ignition charge 10 is ignited, and there is a risk that the gas generator 1 may operate unexpectedly. Therefore, such an ignition agent is formed into a solid body, and the coating layer 30 is provided on the surface of the solid body to form such a solid.
- the coating layer 30 is also formed with a material strength containing at least one material selected from silicon resin, fluorine resin, acrylic resin and epoxy resin. Is preferable.
- the coating layer 30 having higher electric insulation, lower moisture permeability, and more appropriate elasticity can be provided, and the above-described object can be achieved more effectively. Can be.
- the thickness (E) of the coating layer 30 is preferably in the range of 0.1 mm to 3.0 mm.
- thermosetting resin composition is an epoxy resin composition.
- the properties of epoxy resin can be utilized because of its good adhesion to metal!
- the adhesive surface force between the electrode pin 14 and the plug 13 can also suppress the entry of moisture into the cup, and the moisture resistance can be further improved.
- the thickness of the embolus 13 can be made thinner, and the size can be further reduced.
- the gas generator of the present invention preferably has the igniter 4 of the present invention.
- the size of the igniter 4 can be reduced, and accordingly, the size of the gas generator 1 can be reduced or the size thereof can be reduced without changing the size.
- the amount is preferably between 300 mg and 3000 mg.
- Conventionally, a smokeless explosive gas generating agent containing nitrocellulose has been used.
- the smokeless explosive gas generating agent contains a large amount of carbon monoxide in its combustion products and is discharged into a vehicle cabin. There was a problem.
- a gas generating agent whose combustion product is clean tends to be difficult to burn, and in order to obtain a desired output, a larger amount of fuel is required than a smokeless powder. Since the gas generating agent 2 can be stored in a larger amount than the gas generator of the first embodiment, the gas generating agent 2 having a clean combustion product can be used.
- an igniter 4 includes an embolus 13, two electrode pins 14 for supplying electricity, a resistor (electric bridge wire) 16, an ignition charge 10, And a coating layer 30 that covers the ignition agent 10.
- Each of the two electrode pins 14 has a terminal portion 14a and a head portion 25, penetrates an embolus 13 formed of thermosetting resin, and is adhesively fixed. As described above, since the electrode pin 14 penetrated by the plug 13 is adhered to the plug 13, the ingress of moisture from the outside can be suppressed, and the electrode pin 14 may fall out of the plug 13 in a fire or the like. Can be prevented.
- the material of the electrode pin 14 includes an alloy containing nickel, iron, aluminum, copper, and stainless steel.
- the head 25 is formed integrally with one end of the terminal portion 14a, has two flat portions 25a and 25b crossing the axis of the terminal portion 14a, and has a T-shape with the terminal portion 14a. (See Figure 3).
- the head 25 has a function of preventing the electrode pin 14 from being removed from the plug 13 even if the fixing of the electrode pin 14 fixed to the plug 13 and the plug 13 is temporarily released in the event of a fire or the like. Have.
- the diameter of the head 25 is preferably larger than the diameter of the terminal portion 14a. More specifically, the ratio of the cross-sectional area of the head 25 to the cross-sectional area of the shaft portion 14a of the electrode pin 14 is 1.16 / 1 to: L 1Z1 is more preferable, and 1.25Zl to 9Zl. If the cross-sectional area ratio of the cross-sectional area of the head 25 to the cross-sectional area of the head 14a of the electrode pin 14 is within this range, the igniting agent 10 sufficiently wraps between the flat portion 25b and the surface 26 of the plug 13.
- the function of the igniting charge 10 can be sufficiently brought out, and the igniting charge 10 does not come off the head 25 due to vibration, impact, or the like, so that the electric bridge line 16 is not cut off.
- the head 25 of the electrode pin 14 has a predetermined distance A between itself and the one surface 26 of the embolus 13 and protrudes from the one surface 26.
- the bridge wire 16 is electrically connected to the head 25 of the two electrode pins 14. Specifically, the electric bridge line 16 is connected to the flat portion 25a on the top of the head 25 by welding. The top of the head 25 has the flat portion 25a in order to facilitate the joining of the head 25 of the electrode pin 14 and the bridge wire 16 by welding. Therefore, the head 25 need only have a flat part in a part where the entire top is not required to be flat. Further, the plane may cross the axis at a predetermined angle that does not necessarily have to have a plane perpendicular to the axis.
- the igniting agent 10 is disposed on the surface 26 of the embolus 13 on the side from which the head 25 of the electrode pin 14 projects so as to cover the head 25 of the two electrode pins 14 and the bridge 16. You.
- the igniting agent 10 is a continuous solid body that entirely covers a part of the terminal part 14 a of the electrode pin 14 protruding from the head 25 and the plug 13 and the electric bridge wire 16.
- the weight of the igniting agent 10 used in the igniter 4 of the present embodiment is preferably 50 mg to 300 mg, more preferably 80 mg to 200 mg. If the weight of the igniting agent 10 is within this range, the transfer power to the gas generating agent 2 can be generated as required.
- the pressure in the rising part of the gas pressure does not become too high, so if it is used as it is as an igniter for the seat belt pretensioner pair bag, these seat belt pretensioners and airbags Can be operated with stable performance.
- the igniting agent 10 in the present embodiment is applied to a predetermined site by an appropriate application method, for example, a dive method or using a dispenser, and then dried under appropriate conditions such as heating and drying. And, it is provided in contact with one surface 26 of the embolus 13 as a solid body formed so as to surround the head part 25 of the electrode pin 14 and the electric bridge line 16.
- the coating layer 30 is formed on the surface of the ignition charge 10.
- the thickness of the coating layer 30 is preferably from 0.1 mm to 3. Omm, more preferably from 0.2 mn! ⁇ 1.5 mm. If the thickness of the coating layer 30 is in this range, even if a high voltage is generated between the metal cup 3 containing the gas generating agent 2 and the electrode pins 14 due to static electricity or the like and the discharge occurs, the igniting agent 10 is ignited. None fire. Further, since the coating layer 30 has moisture resistance, the igniting agent 10 does not absorb moisture, so that it does not deteriorate. Further, when the igniting agent 10 ignites and burns, the coating layer 30 does not remain unburned and does not hinder the transfer to the gas generating agent 2.
- the cushioner can operate the airbag in a stable state.
- the coating layer 30 is formed by a suitable coating method, for example, a diving method, or after being applied to the surface of the ignition powder using a dispenser, by a curing method compatible with the resin, such as drying and heating.
- the electric wire 16 when the electric wire 16 is energized via the electrode pins 14, the electric wire 10 generates heat and the ignition charge 10 It is configured to ignite and burn.
- the ignition charge 10 will be described in detail.
- the igniting agent 10 used in the present invention can be obtained by mixing an oxidizing agent, a reducing agent, a binder, and optionally added additives.
- the igniting agent 10 contains an oxidizing agent component and a reducing agent component, and does not substantially contain a lead conjugate.
- lead conjugate generally refers to an inorganic compound and an organic compound containing a lead atom, and a simple substance such as lead.
- the oxidizing agent component that can be used in the igniting charge 10 used in the present invention first, among the components known in the igniting charge field, those containing no lead-containing compound, One or more selected from the group consisting of nitrates, basic nitrates, metal oxides, metal hydroxides, basic carbonates, perchlorates, and chlorates.
- the ignition agent 10 is preferably made of basic copper nitrate or a combination of basic copper nitrate and potassium perchlorate. Since the average particle diameter of the oxidizing agent affects the ignition time of the igniter 4, the 50% average particle diameter is preferably 20 ⁇ m or less, more preferably 10 m or less.
- the oxidizing agent component is usually used in an amount of 10 to 80% by weight, preferably 15 to 70% by weight in the entire composition of the igniting agent 10.
- the reducing agent component to be employed is not limited to this. It can be appropriately changed depending on the additive.
- Examples of the reducing agent include a metal powder.
- Metal powder is not limited as long as it can function as a reducing agent in combination with the above-mentioned oxidizing agent component. It should be noted that, as long as it is known as a reducing agent component and does not contain a lead conjugate, it is preferable to use zirconium, aluminum, magnesium, madanalium, titanium, titanium hydride, iron, One or more selected from the group consisting of tungsten and boron, and more preferably zirconium or a combination of zirconium and aluminum.
- the 50% average particle diameter of the reducing agent component affects the ignition time of the igniter 4
- the 50% average particle diameter is preferably 10 ⁇ m or less, more preferably 5 ⁇ m or less.
- the reducing agent component is usually used in an amount of 15 to 90% by weight, preferably 20 to 80% by weight in the entire composition of the igniting agent 10, but is not limited to this. It can be appropriately changed depending on the object.
- the solder is added for the purpose of adhesion and fixing to the embolus 13, the electric bridge 16 and the electrode pin 14, and the damage of the igniting agent 10.
- the binder include trocellulose, carboxylmethylcellulose, cellulose acetate, cellulose acetate butyrate, nitrone rubber, GAP (Glycidyl Azide Polymer), polyacetate butyl, a silicon-based binder, and a copolymer of butyl chloride and vinyl isobutyl ether.
- Preferred is S, polybutyl acetate or a copolymer of butyl chloride and butyl isobutyl ether.
- the binder is usually used in an amount of 1 to 20% by weight, preferably 2 to 15% by weight in the whole composition of the igniting agent 10, but is not limited to this, but it is needless to say that the main component and the reducing agent are used. It can be appropriately changed depending on the minute.
- the selection of the kind and amount of the binder has a great effect on the manufacturing process of the igniting agent 10 and the environmental resistance performance required for the gas generator. If the amount of the noinder is large, it becomes difficult to apply and form the igniting agent 10, and desired ignition performance cannot be obtained. In addition, if the amount of binder is small, the gas generator equipped with the igniter 4 will not be exposed to severe environmental conditions, and the ignition charge 10 will be damaged and the gas generator may not operate. There is. Not only one binder can be used, but two or more binders can be used in combination.
- Additives can be added to the igniting agent 10 used in the present invention as desired.
- any additive that can be used in the field of ignition powders can be used without particular limitation.
- give the ignition charge 10 an appropriate fluidity and Solvents can also be used as additives to apply and shape the site.
- An appropriate solvent may be selected in consideration of the compatibility with the binder, the drying property, the toxicity, and the like. Examples of such a solvent include isoamyl acetate, butyl acetate, acetone and the like.
- Preferred combinations of the igniting agent 10 used in the present invention include 15 to 70% by weight of basic copper nitrate, 20 to 80% by weight of zirconium, and 2 to 15% by weight of a binder component. % By weight.
- Another preferred U combination of the igniting agent 10 used in the present invention is to use zirconium, aluminum, basic copper nitrate, potassium perchlorate and a binder.
- the amount of zirconium is from 10% by weight to 60% by weight, preferably from 20% by weight to 50% by weight.
- the amount of aluminum is from 1% by weight to 15% by weight, preferably from 3% by weight to 10% by weight.
- the amount of the basic copper nitrate is 5% by weight or more and 40% by weight or less, preferably 10% by weight or more and 30% by weight or less.
- the amount of potassium perchlorate is from 10% by weight to 70% by weight, preferably from 20% by weight to 55% by weight.
- the amount of the binder is 1% by weight or more and 20% by weight or less, preferably 2% by weight or more and 15% by weight or less, more preferably 3% by weight or more and 10% by weight or less.
- the embolus 13 has two protrusions 29 on one surface 26 on which the igniting agent 10 is arranged in contact and on the other surface 27 on the opposite side.
- Each protrusion 29 is formed integrally with the two electrode pins 14 so as to cover the vicinity of the center of each of the two electrode pins 14.
- the projecting portion 29 has an effect of maintaining insulation even if a holder 5 described later is made of metal.
- the other surface 27 of the embolus 13 is covered by a holder 5 described later.
- thermosetting resin used for the embolus 13 examples include an epoxy resin, a phenol resin, an unsaturated polyester, a polyurethane, a polyimide, and a silicone resin. From the viewpoints of moisture resistance, electrical properties, adhesiveness, workability, etc., epoxy resin is particularly suitable for embolization of the present invention.
- the epoxy resin is prepared by preparing an epoxy resin composition described below and subjecting it to molding.
- the epoxy resin is not particularly limited.
- a polyfunctional epoxy resin which is a glycidyl etherified compound of a polyphenol compound, a glycidyl ether of various novolak resins.
- Multifunctional epoxy resin cycloaliphatic epoxy resin, aliphatic epoxy resin, complex cyclic epoxy resin, glycidinoleestenole epoxy resin, glycidinoleamine epoxy resin And epoxy resin obtained by glycidylation of halogenated phenols.
- polyfunctional epoxy resin which is a glycidyl ether compound of the polyphenol compounds
- examples of the polyfunctional epoxy resin which is a glycidyl ether compound of the polyphenol compounds include, for example, phenol, cresol, bisphenol A, bisphenol F, bisphenol 3, 4, 4'- Biphenyl-phenol, tetramethylbisphenol A, dimethylbisphenol eight, tetramethylbisphenol F, dimethylbisphenol?
- Tetramethylbisphenol S dimethylbisphenol3, tetramethyl-4,4'-biphenol, dimethylol 4,4,1-biphenylphenol, 1- (4hydrochidiphenyl) 1-2- [4- (1,1-bis 1- (4 Hydroxydiphenyl) ethyl) phenyl] propane, 2,2,1-methylene-bis (4-methyl-6-tert-butylphenol), 4,4'butylidene-bis (3-methyl-6-tert-butylphenol) ), Trishydroxyphenylmethane, resorcinol, phenolic, quinone, pyrogallol, phenols having a diisobrovidene skeleton, phenols having a fluorene skeleton such as 1,1-di-4-hydroxyphenylfluorene, phenolated polybutadiene, etc.
- Epoxy resin which is a glycidyl etherified product of a polyphenol compound, and the like.
- polyfunctional epoxy resins which are glycidyl ethers of various novolac resins include, for example, phenol, tarezols, ethyl phenols, butyl phenols, octyl phenols, bisphenol A, bisphenol F, bisphenol Novolak resin using various phenols such as S and naphthols, phenol novolak resin having a xylylene skeleton, phenol novolak resin having a dicyclopentagen skeleton, phenol novolak resin having a biphenyl skeleton, Examples include glycidyl etherified products of various novolak resins such as phenol novolak resin having a fluorene skeleton.
- Examples of the alicyclic epoxy resin include an alicyclic epoxy resin having an aliphatic skeleton such as cyclohexane such as 3,4 epoxycyclohexylmethyl-3 ′, 4′-cyclohexylcarboxylate.
- Examples of the aliphatic epoxy resin include polyhydric alcohols such as 1,4-butanediol, 1,6-hexanediol, polyethylene glycol, polypropylene glycol, pentaerythritol, and xylylene glycol derivatives. Glycidyl ethers and the like.
- Examples of the heterocyclic epoxy resin include a heterocyclic epoxy resin having a heterocyclic ring such as an isocyanuric ring and a hydantoin ring.
- Examples of the glycidyl ester-based epoxy resin include an epoxy resin composed of carboxylic acids such as hexahydrophthalic acid didalidicyl ester and tetrahydrophthalic acid diglycidyl ester.
- Examples of the glycidylamine-based epoxy resin include glycidylamines such as amines such as arylene, tonoleizine, p-phenylenediamine, m-phenylenediamine, diaminodiphenylenomethane derivatives, and diaminomethylbenzene derivatives. Epoxy resin and the like.
- epoxy resins are not particularly limited, and is appropriately selected depending on the intended use.
- bisphenol-type epoxy resins, novolak-type epoxy resins, biphenyl-type epoxy resins, and naphthalene-type epoxy resins are used.
- Alicyclic epoxy resins, and amine epoxy resins are used.
- these epoxy resins can be appropriately selected according to the necessity of electric insulation, adhesiveness, water resistance, mechanical strength, workability and the like, and can be used as one kind or a mixture of two or more kinds.
- the epoxy resin composition used in the present invention contains the above epoxy resin, a curing agent, and a filler.
- the curing agent include acid anhydrides, amines, phenols, and imidazoles.
- the acid anhydride examples include phthalic anhydride, trimellitic anhydride, pyromellitic anhydride, benzophenonetetracarboxylic anhydride, ethylene glycol trimellitic anhydride, biphenyltetracarboxylic acid
- Aromatic carboxylic acid anhydrides such as anhydrides, aliphatic carboxylic acid anhydrides such as azelaic acid, sebacic acid, dodecane diacid, tetrahydrophthalic anhydride, hexahydrophthalic anhydride, nadic anhydride, Alicyclic carboxylic acid anhydrides such as het acid anhydride and hymic acid anhydride are exemplified.
- the phthalic anhydride examples include 4-methylhexahydrophthalic anhydride.
- Examples of the amines include aromatic amines such as diaminodiphenylmethane, diaminodiphenylsulfone, and diaminodiphenylether, aliphatic amines, and modified amines.
- Examples of the phenols include bisphenol A, tetrabromobisphenol A, bisphenol F, bisphenol S, 4,4'-biphenylphenol, 2,2,1-methylenebis (4-methylphenol1) 6-tert-butynolephenol, 2,2,1-methylene-bis (4-ethyn-6-tert-butylphenol), 4,4'butylenebis (3-methyl-6-tert-butylphenol), 1, Fluorenes such as 1,3 tris (2-methyl-4-hydroxy-5-tert-butylphenol), trishydroxyphenol, pyrogallol, phenols having a diisobrovidene skeleton, and 1,1-DG-4-hydroxyphenylfluorene Phenols having a
- imidazoles examples include 2-methylimidazole, 2-phenimidazole, 2-pendecylimidazole, 2heptadecylimidazole, 2-phenyl-4-methylimidazole, and 1-benzyl-2-phenyl.
- Imidazole 1 benzyl 2-methylimidazole, 1-cyanoethyl-2-methylimidazole, 1-cyanoethyl-2-feriimidazole, 1-cyanoethyl-2 ⁇ decylimidazole, 2,4 diamino — 6 (2, -methylimidazole (1 ,)) Ethyl-s triazine, 2,4 diamino 6 (2,-pendycylimidazole (1,)) ethyl-s triazine, 2,4 diamino 6 (2, -ethyl, 4-methylimidazole (1 ,)) Ethyl s triazine, 2,4 diamino-1 6 (2,1-methylimidazole (1,)) ethyl-s triazine 'isocyanuric acid Kafun, 2: 3 adduct of 2-methylimidazole isocyanuric acid, carohydrate with 2-phenylimidazole isocyanuri
- curing agent which curing agent is used is appropriately selected depending on the characteristics required for the squib structure for ignition or workability, but is preferably an acid anhydride, a phenol novolak resin, or an amine. .
- the amount of these curing agents used is the equivalent of the curing agent to the epoxy group of the epoxy resin, i.e., in the range of 0.3 to 2.0, preferably in the range of 0.4 to 1.6. And more preferably used in the range of 0.5 to 1.3.
- two or more kinds of curing agents can be used as a mixture, and imidazoles can also be used as a curing accelerator.
- the curing accelerator for example, 2-methylimidazole, 2-phenylimidazole, 2-undecylimidazole, 2heptadecylimidazole, 2-phenyl-4-methylimidazole, 1-benzyl-2-phenylimidazole, 1 Benzyl-2-methylimidazole, 1-cyanoethyl-2-methylimidazole, 1-cyanoethyl-2-phenylimidazole, 1-cyanoethyl-l-vinyldecylimidazole, 2,4 diamino-imidazole 6 (2, -methylimidazole (1,)) Ethyl-s triazine, 2,4 diamino 6 (2, -didecylimidazole (1,)) ethyl-s triazine, 2,4 diamino 6 (2, -ethyl, 4-methylimidazole (1,)) ethyl Triazine, 2,4 diamin
- the amount used is 0.1 to 5% by weight, preferably about 1% by weight, based on 100% by weight of the epoxy resin.
- the filler to be filled in the thermosetting resin includes, for example, fused silica, crystalline silica, silicon carbide, silicon nitride, boron nitride, calcium carbonate, magnesium carbonate, barium sulfate, calcium sulfate, myriki, talc.
- Clay aluminum oxide, magnesium oxide, zirconium oxide, aluminum hydroxide, magnesium hydroxide, calcium silicate, aluminum silicate, lithium aluminum silicate, zirconium silicate, barium titanate, glass fiber, carbon fiber, molybdenum disulfide And asbestos, preferably fused silica, crystalline silica, calcium carbonate, aluminum oxide, hydroxide aluminum, calcium silicate, more preferably fused silica, crystalline silica, aluminum oxide. And calcium carbonate.
- the amount of these fillers used is preferably 30 to 95% by weight of the total thermosetting resin composition, more preferably 40 to 90% by weight, and particularly preferably 50 to 90% by weight in accordance with the required performance and workability. It is.
- These fillers may be used alone or in a combination of two or more.
- thermosetting resin composition for example, a coloring agent, a coupling agent, a leveling agent, a lubricant and the like can be appropriately added according to the purpose.
- the colorant is not particularly limited, for example, phthalocyanine, azo, disazo, quinatalidone, anthraquinone, flavanthrone, perinone, perylene, dixanazine, condensed azo, azomethine various organic dyes, titanium oxide And inorganic pigments such as lead sulfate, chrome yellow, ginta yellow, chrome vermillion, valve shell, cobalt violet, navy blue, ultramarine, carbon black, chrome green, iridescent chromium, and cobalt green.
- the coupling agent examples include 3-glycidoxypropyltrimethoxysilane, 3-daliran, 2- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, and N- (2-aminoethyl) ) 3-aminopropylmethyldimethoxysilane, N- (2-aminoethyl) 3-aminopropyl Pyrmethyltrimethoxysilane, 3-aminopropyltriethoxysilane, 3-mercaptopyl Pyrtrimethoxysilane, burtrimethoxysilane, N— (2- (Bubenzylbenzylamino) ethyl) 3-aminopropyltri Silane coupling agents such as methoxysilane hydrochloride, 3-methacryloxypropyltrimethoxysilane, 3-chloropropylmethyldimethoxysilane, and 3-chloropropyltrimethoxysilane; isoprop
- Neoalkoxytri p-N- ( ⁇ -aminoethyl) aminophenyl) titanate and other coupling agents, Zr-acetyl acetate, Zr-metharylate, Zr-propionate, neoalkoxyzirco Neoalkoxytris (dodecanoyl) benzenesulfonyl zirconate, neoalkoxycitris (ethylenediaminoethyl) zirconate, neoalkoxytris (m-aminophenyl) zirconate, ammonium-ium zirconium carbonate And zirconium, such as A1-acetyl acetonate, A1-methacrylate, and A1-propionate, or an aluminum-based coupling agent, preferably a silicon-based coupling agent.
- a coupling agent a cured product having excellent moisture resistance reliability and a small decrease in adhesive strength after moisture absorption can be obtained
- Examples of the leveling agent include oligomers having a molecular weight of 4000 to 12000, such as etharyl acrylates, butyl acrylates, and 2-ethylhexyl acrylates, and epoxidized soybean fatty acids and epoxidized abi.
- Examples include ethyl alcohol, hydrogenated castor oil, and titanium-based coupling agents.
- the lubricant examples include hydrocarbon lubricants such as paraffin wax, micro wax, and polyethylene wax; higher fatty acid lubricants such as lauric acid, myristic acid, palmitic acid, stearic acid, arachidic acid, and behenic acid; stearylamide; Higher fatty acid amide lubricants such as palmitylamide, oleylamide, methylenebisstearamide, ethylenebisstearamide, hydrogenated castor oil, butyl stearate, ethylene glycol monostearate, pentaerythritol (mono-, di-, tri- -Or higher fatty acid ester lubricants such as tetra-) stearate, cetyl alcohol, stearyl alcohol, polyethylene glycol , Such as alcoholic lubricants such as polyglycerol, lauric acid, myristic acid, palmitic acid, stearic acid, arachidic acid, behenic acid, ricinoleic acid, nap
- the epoxy resin composition To prepare the epoxy resin composition, the epoxy resin, a curing agent, a filler, and, if necessary, a compounding component such as a curing accelerator and a coupling agent, a coloring agent, a leveling agent, etc.
- a blender such as a Henschel mixer or a Nauta mixer to mix, then knead at 80-120 ° C using a kneader, etastruder, or calo-heat roll, cool, and pulverize to a powder.
- An epoxy resin composition is obtained.
- the components are liquid, they are uniformly dispersed using a planetary mixer or the like to obtain an epoxy resin composition.
- the epoxy resin composition thus obtained is solid, it is generally formed into pellets, molded by a molding machine such as a low-pressure transfer molding machine, and then cured by heating to 100 to 200 ° C.
- the electrode pin 14 may cause the electrode pin 14 to jump out of the embolus 13 even at a temperature at which the gas generating agent 4 automatically ignites. Embroidery 13 does not occur. Even if the thickness of the embolus 13 is small, sufficient strength at high temperatures can be ensured, so that the volume inside the cup 3 can be reduced without reducing the size of the gas generator 1 or changing the size. It is possible to increase the amount of the gas generating agent 2 to be filled. Therefore, gas generation using a gas generating agent (green propellant) that requires a large amount of filling due to low gas generation efficiency in a limited space due to low gas generation efficiency in the restricted space. Especially suitable for vessels.
- a gas generating agent green propellant
- the plug 13 integrally formed with the electrode pin 14 using a thermosetting resin, particularly an epoxy resin composition, has excellent adhesion to the electrode pin 14. Therefore, it is possible to prevent moisture from penetrating into the gas generator 1 in which the igniting agent 10 is stored as much as possible without using a sealing member, and it is possible to increase the holding force of the electrode pins 14. Such an effect cannot be obtained by simply press-fitting the electrode pins 14 into a perforated thermoplastic resin molded body.
- a coating layer 30 is provided on the surface of the ignition agent 10.
- the thickness of the coating layer 30 is 0. lmn! ⁇ 3 Omm is preferred 0.2 mm ⁇ 1.5 mm is preferred
- the coating layer 30 may be formed by a suitable coating method, for example, a dive method. Is applied using a dispenser to the surface of solid pyrotechnic charge 10 and then dried.
- a cup body usually used for the igniter 4 can be omitted, and the number of parts can be reduced. Further, the size of the igniter 4 can be reduced.
- a metal cup housing the gas generating agent 2 and an electrode pin 14 are used.
- the coating layer 30 preferably has a moderate elasticity. Examples of a material for forming the coating layer 30 include silicon resin, fluorine resin, acrylic resin, epoxy resin, and the like.
- the igniter 4 of the present invention is manufactured by performing the following steps. (1) a step of forming two electrode pins 14, (2) a step of forming an embolus 13 integrally with the electrode pins 14, (3) welding a bridge wire 16 to the head 25 of each electrode pin 14 (4) welding the bridge wire 16 to the electrode pins 14, (5) applying and drying the igniting agent 10, and (6) forming a coating layer on the surface of the igniting agent 10. And drying.
- the igniter 4 of the present invention is provided with a shorting clip 19 for short-circuiting the two electrode pins 14.
- the shorting clip 19 is for preventing malfunction of the igniter 4 due to static electricity or the like.
- a gas generator according to the present invention includes the igniter 4 described above, and includes an automobile seat belt pretension. It is suitably used as a gas generator for knurled air bags.
- FIG. 2 shows an example of the gas generator of the present invention.
- a gas generator 1 of the present invention has a cup 3 filled with a gas generating agent 2 for generating gas by combustion, and an ignition disposed inside the cup 3 and having an ignition charge 10 disposed therein.
- a small gas generator 1 composed of a gas generator 4 and a holder 5 having an annular projection 5c for caulking and holding the embolus 13, and is used for a seat belt pretensioner or the like.
- the cup 3 includes a large-diameter cylindrical portion 3a and a bottomed cylindrical portion 3b connected to the cylindrical portion 3a and having two flat side surfaces parallel to each other.
- the cup 3 is filled with the gas generating agent 2.
- Six notches 3c are formed radially from the center on the bottom surface of the bottomed cylindrical portion 3b.
- the gas generating agent 2 in the cup 3 burns to generate high-temperature and high-pressure gas, the notch 3c is broken by the pressure of the gas, and the gas is directly discharged to a seat belt pretensioner (not shown). Is done.
- a flange 3d for attaching to a holder 5 described later is formed at an end of the cup 3 on the opening side. Examples of the material forming the cup 3 include metal materials such as stainless steel, iron, and aluminum.
- the gas generating agent 2 is filled so as to be in direct contact with the inner periphery of the cup 3 without passing through a filter or Z and a coolant.
- the gas generating agent 2 that can be used is preferably a gas generating agent containing a fuel component, an oxidizing component, and at least one or more additives.
- the fuel component include a nitrogen-containing organic compound, for example, at least one or more selected from the group consisting of aminotetrazole, gadazine nitrate, and nitrogazine.
- oxidizer component examples include at least one selected from the group consisting of strontium nitrate, ammonium nitrate, potassium nitrate, ammonium perchlorate, and potassium perchlorate.
- the additive examples include molybdenum trioxide, which is an autoignition catalyst.
- Other additives that can be added to the gas generating agent include a binder.
- the binder include guar gum, methyl cellulose, carboxymethyl cellulose, water-soluble cellulose ether, and polyethylene glycol. A small group power is also selected At least one kind is mentioned.
- Suitable gas generating agents include 5-aminotetrazole and guanidine nitrate as fuel components, strontium nitrate and ammonium perchlorate as oxidizing agent components, and molybdenum trioxide as autoignition catalyst. It is a gas generating agent containing guar gum as a noinder.
- the gas generating agent used in the present invention can be filled into a seat belt pretensioner, an airbag, or the like.
- the shape of the molded article is not particularly limited. (A) 0.25% to 5% of a cationic binder, (b) 0.25% to 5% of an ion binder, (c) a fuel component, d) Oxidizing agent, and (e) Depending on the type of combustion regulator, etc., add water or an organic solvent, mix uniformly, knead, extrude, and cut to form a columnar or macaroni-shaped product. And a pellet-shaped molded product obtained by using a tableting machine or the like.
- the amount of gas generant 2 used is preferably between 300 mg and 3000 mg.
- the holder 5 has two through holes 23 formed therein.
- the inner diameter of the through hole 23 of the holder 5 is preferably about 2 mm.
- the distance between the through holes 23 depends on the standard of the terminal used, but is usually 3.1 mm.
- the portions of the two electrode pins 14 that are covered by the protruding portions 29 of the embolus 13 are inserted into these two through holes 23, respectively.
- the presence of the projecting portion 29 of the embolus 13 can prevent an electrical short circuit between the pin and the two through holes 23 of the holder 5 due to metal burrs or the like.
- the area of the two through holes 23 is small to some extent within a range in which the electrode pins 14 can be passed, and more than one time the cross-sectional area of the electrode pins 14 that pass through these through holes 23. It is preferably 10 times or less, and more preferably 2 times to 7 times.
- the electrode pin is inserted through the through hole 23.
- the distance between the pin 14 and the holder 5 is the shortest, and during the static electricity test, when static electricity flows, discharge occurs between the electrode pin 14 and the through hole 23 of the holder 5 and the igniting agent 10 ignites Can be prevented.
- a projection 5 a is formed on the outer peripheral portion of the holder 5, and the projection 5 a is engaged with the flange portion 3 d of the cup 3 and the cup 3 is caulked to the holder 5.
- a concave storage portion 5b for storing the embolus 13 and an annular protrusion 5c projecting rightward from a peripheral end of the storage portion 5b are formed.
- the holder 5 is caulked so that the annular projection 5c abuts on the tapered portion 12b of the embolus 13.
- the holder 5 is generally cylindrical with a bottom and has a force that can be formed of a metal material such as aluminum, iron, and stainless steel. It is particularly preferred that it be formed of aluminium.
- the embolus 13 is formed of a thermosetting resin composition having high strength at a high temperature.
- the above-mentioned ignition charge 10 is used as the ignition charge.
- the operation of the gas generator 1 described above will be described.
- a collision sensor (not shown) detects a vehicle collision
- electricity is supplied to the bridge 16 connected to the electrode pin 14 via the two electrode pins 14, and the bridge 16 is heated within a few milliseconds (ms). I do.
- the ignition charge 10 stably ignites and burns only by this heat generation.
- the fire generated by the combustion breaks the coating layer 30 and ignites the gas generating agent 2 outside the coating layer 30.
- the gas generated in the cup 3 due to the combustion of the gas generating agent 2 causes the pressure in the cup 3 to rise sharply and the notch 3c formed in the cup 3 to be broken, thereby causing a high temperature and high pressure.
- the gas is directly introduced into a seatbelt pretensioner or airbag (not shown), and the seatbelt pretensioner or airbag operates.
- the present invention has been described in the above preferred embodiments, the present invention is not limited thereto. It will be understood that various embodiments may be made without departing from the spirit and scope of the invention.
- the number of the electrode pins 14 that penetrate the embolus 13 is not limited to the force of two in the above embodiment.
- the number of electrode pins 14 penetrating the embolus 13 is preferably two, but may be three or more depending on the purpose.
- the head 25 of the electrode pin 14 is formed in a T-shape with the terminal portion 14a.
- the shape is not limited to this, but various shapes can be used according to the purpose.
- the shapes shown in FIGS. 4 to 9 may be used.
- FIG. 4 (a) is a plan view of the igniter, (b) is a front view, and the head 41 of the electrode pin 31 is a hexagonal head.
- FIG. 5 (a) is a plan view of the igniter, (b) is a front view, and the head 42 of the electrode pin 32 is a square head.
- 6A is a plan view of the igniter, FIG.
- FIG. 6B is a front view of the igniter, and the head 43 of the electrode pin 33 is a blunt head.
- 7A is a plan view of the igniter
- FIG. 7B is a front view
- the head 44 of the electrode pin 34 is a square head.
- the heads 43 and 44 shown in Fig. 6 and Fig. 7 have the terminal parts of the electrode pins 33 in comparison with the case of the hexagonal head (see Fig. 4) or the square head (see Fig. 5). It is easy to attach to 14a.
- 8A is a plan view of the igniter
- FIG. 8B is a front view of the igniter.
- the head 45 of the electrode pin 35 is formed in a hook shape.
- 9A is a plan view of the igniter, and FIG.
- the head 46 of the electrode pin 36 is formed in a hook shape, and is pressed downward from above in the drawing. It is formed in a flat shape.
- the heads 45 and 46 shown in Figs. 8 and 9 do not require the electrode pins 34 and 35 to be attached to the terminal 14a, and only need to bend the tip of the terminal 14a and apply a force. And the electrode pins 34, 35 can be easily manufactured.
- the shape of the heads 25, 41 to 46 may be any as long as it can prevent the igniting agent 10 from peeling off from the electrode pins 14 (that is, cutting the electric bridge wire 16).
- the bridge 16 can be easily joined, and even if the fixing portion between the electrode pin 14 and the plug 13 is detached due to a fire or the like, if the electrode pin 14 has a shape that is difficult to be removed from the plug 13, preferable.
- the electrode pins 14 are not limited to the force formed at the end of the terminal portion 14a.
- the terminal portion 14a may slightly protrude from the flat portion 25a on the top of the head 25.
- the igniting agent 10 is a continuous one that covers a part of the terminal portion 14a of the electrode pin 14 protruding from the head 25 and the embolus 13 and the bridge wire 16. It is a solid body, but is not limited to this. For example, if the solid body surrounds at least the head 25 and the bridge line 16, the bridge line 16 may be cut even if the adhesion between the igniter 10 and the plug 13 is broken by vibration or the like. Is considered low. If it is strong, a non-solid igniter or a solid igniter may be further arranged around the solid. However, wear When the coating layer 30 is provided around the explosive 10, it is preferable that the explosive 10 also has a solid physical strength.
- FIG. 1 is a sectional view of an igniter according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional view of a gas generator according to an embodiment of the present invention.
- FIG. 3 (a) is a plan view of an igniter according to the embodiment of the present invention
- FIG. 3 (b) is a front view.
- FIG. 4 (a) is a plan view of the igniter according to the embodiment of the present invention
- FIG. 4 (b) is a front view, in which the head is a hexagonal head.
- FIG. 5 (a) Force FIG. 5 is a plan view of the igniter according to the embodiment of the present invention
- FIG. 5 (b) is a front view
- the head has a square head.
- FIG. 6 (a) is a plan view of the igniter according to the embodiment of the present invention
- FIG. 6 (b) is a front view of the igniter, showing a head portion of the igniter.
- FIG. 7 (a) is a plan view of an igniter according to an embodiment of the present invention
- FIG. 7 (b) is a front view of the igniter, with a head portion having a square head.
- FIG. 8 (a) is a plan view of an igniter according to the embodiment of the present invention
- FIG. 8 (b) is a front view, in which a head portion is formed in a hook shape.
- FIG. 9 (a) is a plan view of an igniter according to an embodiment of the present invention
- FIG. 9 (b) is a front view, in which a head portion is formed in a hook shape and a head force is directed downward from above the paper surface.
- FIG. 4 is a view formed in a flat shape by pressing the same.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Air Bags (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/578,110 US20070163457A1 (en) | 2004-04-16 | 2005-04-15 | Igniter and gas generator having the same |
JP2006512394A JPWO2005100905A1 (ja) | 2004-04-16 | 2005-04-15 | 点火器及びこれを有するガス発生器 |
EP05730652A EP1757897A1 (en) | 2004-04-16 | 2005-04-15 | Igniter and gas generator having the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004121453 | 2004-04-16 | ||
JP2004-121453 | 2004-04-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005100905A1 true WO2005100905A1 (ja) | 2005-10-27 |
Family
ID=35150098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/007333 WO2005100905A1 (ja) | 2004-04-16 | 2005-04-15 | 点火器及びこれを有するガス発生器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070163457A1 (ja) |
EP (1) | EP1757897A1 (ja) |
JP (1) | JPWO2005100905A1 (ja) |
CN (1) | CN1969167A (ja) |
WO (1) | WO2005100905A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008083937A1 (de) * | 2007-01-11 | 2008-07-17 | Rheinmetall Waffe Munition Gmbh | Anzündmittel |
JP2013220986A (ja) * | 2012-04-19 | 2013-10-28 | Kayaku Japan Co Ltd | 非火薬ガス発生組成物 |
JP2018087666A (ja) * | 2016-11-29 | 2018-06-07 | 株式会社ダイセル | ガス発生器 |
JP2020084046A (ja) * | 2018-11-27 | 2020-06-04 | 日本化薬株式会社 | 塞栓用樹脂組成物、それを用いた塞栓、点火器およびガス発生器 |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2005052496A1 (ja) * | 2003-11-26 | 2007-06-21 | 日本化薬株式会社 | 点火器及びガス発生器 |
US7571679B2 (en) * | 2006-09-29 | 2009-08-11 | Reynolds Systems, Inc. | Energetic material initiation device having integrated low-energy exploding foil initiator header |
US8408131B1 (en) | 2006-09-29 | 2013-04-02 | Reynolds Systems, Inc. | Energetic material initiation device |
US20090124734A1 (en) * | 2007-11-05 | 2009-05-14 | 3M Innovative Properties Company | Halogen-free flame retardant resin composition |
US8276516B1 (en) | 2008-10-30 | 2012-10-02 | Reynolds Systems, Inc. | Apparatus for detonating a triaminotrinitrobenzene charge |
JP5450306B2 (ja) * | 2010-07-29 | 2014-03-26 | 株式会社ダイセル | ガス発生器 |
PL2434601T3 (pl) * | 2010-09-24 | 2018-01-31 | Nexans | Układ do połączenia podzespołu elektrycznego z jednostką elektryczną |
FR2975097B1 (fr) * | 2011-05-09 | 2015-11-20 | Sme | Composes pyrotechniques generateurs de gaz |
CN102260125B (zh) * | 2011-06-21 | 2013-01-30 | 南京理工大学 | 介电式Al/CuO复合薄膜含能电点火桥和点火桥阵列 |
CN102249830B (zh) * | 2011-06-21 | 2013-01-02 | 南京理工大学 | 硅杯聚能Al/CuO复合薄膜点火桥和点火桥阵列 |
DE102012010608A1 (de) * | 2012-05-16 | 2013-11-21 | Trw Airbag Systems Gmbh | Anzünder und Verfahren zur Herstellung eines Anzünders für einen Gasgenerator |
DE102012016431A1 (de) * | 2012-08-21 | 2014-02-27 | Trw Airbag Systems Gmbh | Anzünder für eine Sicherheitseinrichtung |
US10731062B2 (en) * | 2012-10-15 | 2020-08-04 | Sekisui Chemical Co., Ltd. | Gas-generating material and micropump |
JP6422628B2 (ja) * | 2012-10-18 | 2018-11-14 | 株式会社ダイセル | ガス発生剤組成物と、それを使用したガス発生器 |
CN104344769B (zh) * | 2013-08-08 | 2019-05-07 | 北京铱钵隆芯科技有限责任公司 | 引火件及引火件组 |
CN103993880A (zh) * | 2014-05-20 | 2014-08-20 | 湖南汉寿煤矿机械有限公司 | 电发火头加热器及用该加热器的液态co2相变致裂装备 |
CN105014222B (zh) * | 2015-07-03 | 2017-05-17 | 上海瑞尔实业有限公司 | 一种电极塞的制造系统及其使用方法 |
CN106565388B (zh) * | 2016-10-19 | 2018-08-21 | 安徽理工大学 | 一种破岩药柱及其制备方法 |
DE102017124292A1 (de) * | 2017-10-18 | 2019-04-18 | Trw Airbag Systems Gmbh | Anzünder für einen gasgenerator und verfahren zur herstellung eines anzünders |
CN109942355B (zh) * | 2017-12-20 | 2021-01-29 | 中国石油天然气集团公司 | 一种自燃式点火剂 |
CN110317120B (zh) * | 2019-05-30 | 2020-10-20 | 湖北航鹏化学动力科技有限责任公司 | 点火药及其制备方法与应用以及安全气囊气体发生器 |
CN111981919A (zh) * | 2020-08-16 | 2020-11-24 | 东莞市弘腾自动化智能科技有限公司 | 一种易于点火的贴片桥丝 |
CN114436725B (zh) * | 2021-10-26 | 2023-02-28 | 湖北航天化学技术研究所 | 一种性能优异的气体发生剂及其制备方法 |
CN114509174B (zh) * | 2021-12-29 | 2022-11-08 | 电子科技大学 | 一种陶瓷电极塞式火工品桥区温度测量用薄膜传感器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS602502B2 (ja) * | 1977-02-24 | 1985-01-22 | 日産自動車株式会社 | イグナイターの電気式発火器 |
JP2000292100A (ja) * | 1999-04-09 | 2000-10-20 | Showa Kinzoku Kogyo Kk | 電気点火式ガス発生装置 |
JP2001512227A (ja) * | 1997-08-01 | 2001-08-21 | ニコ−ピロテヒニーク ハンス−ユルゲン ディーダーリッヒス ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コムパニー コマンディットゲゼルシャフト | 自動車の乗員保護装置の作動装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2237932A (en) * | 1937-12-24 | 1941-04-08 | Du Pont | Electric blasting initiator |
DE19846110A1 (de) * | 1998-10-07 | 2000-04-20 | Bosch Gmbh Robert | Zündvorrichtung für Rückhaltemittel in einem Fahrzeug |
DE10026329A1 (de) * | 2000-05-26 | 2001-11-29 | Bosch Gmbh Robert | Zündvorrichtung |
US6557474B1 (en) * | 2000-08-30 | 2003-05-06 | Glasseal Products | Initiator header subassembly for inflation devices |
FR2833693B1 (fr) * | 2001-12-14 | 2004-03-12 | Livbag Snc | Procede de realisation d'un initiateur electro-pyrotechnique par emploi d'une colle aqueuse |
US20050066833A1 (en) * | 2003-09-04 | 2005-03-31 | Hamilton Brian K. | Single pin initiator for a gas generating device |
JP2005212582A (ja) * | 2004-01-29 | 2005-08-11 | Honda Motor Co Ltd | スクイブ用の点火回路 |
-
2005
- 2005-04-15 JP JP2006512394A patent/JPWO2005100905A1/ja active Pending
- 2005-04-15 CN CNA2005800200505A patent/CN1969167A/zh active Pending
- 2005-04-15 EP EP05730652A patent/EP1757897A1/en not_active Withdrawn
- 2005-04-15 WO PCT/JP2005/007333 patent/WO2005100905A1/ja active Application Filing
- 2005-04-15 US US11/578,110 patent/US20070163457A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS602502B2 (ja) * | 1977-02-24 | 1985-01-22 | 日産自動車株式会社 | イグナイターの電気式発火器 |
JP2001512227A (ja) * | 1997-08-01 | 2001-08-21 | ニコ−ピロテヒニーク ハンス−ユルゲン ディーダーリッヒス ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コムパニー コマンディットゲゼルシャフト | 自動車の乗員保護装置の作動装置 |
JP2000292100A (ja) * | 1999-04-09 | 2000-10-20 | Showa Kinzoku Kogyo Kk | 電気点火式ガス発生装置 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008083937A1 (de) * | 2007-01-11 | 2008-07-17 | Rheinmetall Waffe Munition Gmbh | Anzündmittel |
US8037825B2 (en) | 2007-01-11 | 2011-10-18 | Rheinmetall Waffe Munition Gmbh | Primer element |
JP2013220986A (ja) * | 2012-04-19 | 2013-10-28 | Kayaku Japan Co Ltd | 非火薬ガス発生組成物 |
JP2018087666A (ja) * | 2016-11-29 | 2018-06-07 | 株式会社ダイセル | ガス発生器 |
WO2018100905A1 (ja) * | 2016-11-29 | 2018-06-07 | 株式会社ダイセル | ガス発生器の点火器組立体とその製造方法 |
CN109983297A (zh) * | 2016-11-29 | 2019-07-05 | 株式会社大赛璐 | 气体发生器的点火器组装体及其制造方法 |
CN109983297B (zh) * | 2016-11-29 | 2022-03-08 | 株式会社大赛璐 | 气体发生器的点火器组装体及其制造方法 |
JP2020084046A (ja) * | 2018-11-27 | 2020-06-04 | 日本化薬株式会社 | 塞栓用樹脂組成物、それを用いた塞栓、点火器およびガス発生器 |
JP7219065B2 (ja) | 2018-11-27 | 2023-02-07 | 日本化薬株式会社 | 塞栓用樹脂組成物、それを用いた塞栓、点火器およびガス発生器 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2005100905A1 (ja) | 2008-03-06 |
CN1969167A (zh) | 2007-05-23 |
EP1757897A1 (en) | 2007-02-28 |
US20070163457A1 (en) | 2007-07-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2005100905A1 (ja) | 点火器及びこれを有するガス発生器 | |
WO2005052496A1 (ja) | 点火器及びガス発生器 | |
JP5090184B2 (ja) | ガスアクチュエータ用小型ガス発生器及びプリテンショナーシステム | |
US7530310B2 (en) | Metal holder with electrode pin, method of manufacturing the metal holder, and gas generator | |
JP4299782B2 (ja) | ガス発生器 | |
EP1731384B1 (en) | Gas generator | |
US20070096451A1 (en) | Micro gas generator | |
JP4244365B2 (ja) | 着火薬組成物、及びその着火薬組成物を用いた点火具 | |
JP2004243309A (ja) | イニシエータ及びガス発生器 | |
EP2662249A1 (en) | Gas generator | |
US6460873B1 (en) | Inflatable metal structure with built-in pyrotechnic charge | |
JP2001260815A (ja) | ガス発生器 | |
JPH04334641A (ja) | エアバッグ膨張装置 | |
JP7437113B2 (ja) | 塞栓用樹脂組成物、それを用いた塞栓、点火器およびガス発生器 | |
JP3118463U (ja) | 点火器 | |
JP7449645B2 (ja) | 塞栓用樹脂組成物、それを用いた塞栓、点火器およびガス発生器 | |
JP2019132436A (ja) | 塞栓材用樹脂組成物 | |
JP2006029629A (ja) | 点火器及びこれを有するガス発生器 | |
JP2005308339A (ja) | 点火器及びこれを有するガス発生器 | |
KR100618554B1 (ko) | 가스 발생기 | |
JP7219065B2 (ja) | 塞栓用樹脂組成物、それを用いた塞栓、点火器およびガス発生器 | |
JP7286458B2 (ja) | 点火器 | |
JP2013166494A (ja) | ガス発生器 | |
JP2019026153A (ja) | ガス発生器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2006512394 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007163457 Country of ref document: US Ref document number: 11578110 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2005730652 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200580020050.5 Country of ref document: CN |
|
WWP | Wipo information: published in national office |
Ref document number: 2005730652 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 11578110 Country of ref document: US |