CN1886634A - Igniter and gas producing device - Google Patents
Igniter and gas producing device Download PDFInfo
- Publication number
- CN1886634A CN1886634A CN 200480035104 CN200480035104A CN1886634A CN 1886634 A CN1886634 A CN 1886634A CN 200480035104 CN200480035104 CN 200480035104 CN 200480035104 A CN200480035104 A CN 200480035104A CN 1886634 A CN1886634 A CN 1886634A
- Authority
- CN
- China
- Prior art keywords
- aforementioned
- igniter
- gland
- epoxy resin
- gas generator
- 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.)
- Pending
Links
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- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000012170 montan wax Substances 0.000 description 1
- MQWFLKHKWJMCEN-UHFFFAOYSA-N n'-[3-[dimethoxy(methyl)silyl]propyl]ethane-1,2-diamine Chemical compound CO[Si](C)(OC)CCCNCCN MQWFLKHKWJMCEN-UHFFFAOYSA-N 0.000 description 1
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 1
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 125000003170 phenylsulfonyl group Chemical group C1(=CC=CC=C1)S(=O)(=O)* 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 150000004885 piperazines Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 1
- 229920000223 polyglycerol Polymers 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- UADUAXMDVVGCGW-UHFFFAOYSA-N propanoic acid;zirconium Chemical compound [Zr].CCC(O)=O UADUAXMDVVGCGW-UHFFFAOYSA-N 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 150000004992 toluidines Chemical class 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- NHKGNFMVYVLYHW-UHFFFAOYSA-N trihydroxy(dioctyl)-$l^{5}-phosphane Chemical compound CCCCCCCCP(O)(O)(O)CCCCCCCC NHKGNFMVYVLYHW-UHFFFAOYSA-N 0.000 description 1
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
- QVTVDJWJGGEOGX-UHFFFAOYSA-N urea;cyanide Chemical group N#[C-].NC(N)=O QVTVDJWJGGEOGX-UHFFFAOYSA-N 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- NDKWCCLKSWNDBG-UHFFFAOYSA-N zinc;dioxido(dioxo)chromium Chemical compound [Zn+2].[O-][Cr]([O-])(=O)=O NDKWCCLKSWNDBG-UHFFFAOYSA-N 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Images
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
An igniter and a gas producing device that are reduced in their sizes and where jumping out of electrode pins are reliably prevented. These are achieved by increasing strength of a closing plug at high temperatures to reduce the thickness of the closing plug. An igniter having a resistance heat generating body, powder ignited by heat of the resistance heat generating body, electrode pins connected to the resistance heat generating body, and a closing plug for holding the electrode pins, wherein the material of the closing plugs are a thermosetting resin. A gas producing device having a cup filled with a gas producing agent producing a gas by burning, the igniter provided inside the cup, and a holder for holding the igniter and the cup, wherein the holder has insertion holes into which the electrode pins are individually inserted.
Description
Technical field
The present invention relates to the igniter that gas generator uses, and make the gas generator of the passenger safety protective device action of the pre-prop of automobile safety seat belt etc.
Technical background
The equipment of the impact that produces when avoiding the automobile collision as the protection passenger, the crowd knows pre-prop of seat harness or air bag.These pre-props etc. utilize a large amount of gas actions that imported by gas generator and protect the passenger.In addition, gas generator has igniter, gas-forming agent etc., produces a large amount of gas rapidly by making igniter blast light gas-forming agent when colliding.
One example of the igniter that uses as gas generator, have Fig. 5 described utilize formations such as thermoplastic resin be inlaid in the cup 112 and the igniters 104 of the gland 107 of seal point gunpowder 103 also.2 electrode needle 108,109 that connect gland 107 are arranged on the gland 107.These electrode needle 108,109 are stretched out in cup 112 separately, and the top is electrically connected electric bridge line 110.Electric bridge line 110 quilts cover with the ignition pill 111 that ignition charge 103 joins.It is good that ignition pill 111 is got angry sensitivity, utilizes the heating of electric bridge line 110 and light a fire, and ignition charge 103 is got angry.
This igniter 104 is installed on the gas generator, is used to make 110 heatings of electric bridge line from the shock signals energising that collides sensor.The electric bridge line 110 of heating is lighted ignition pill 111, then firing point gunpowder 103 burnings.In addition, the generation pressure and the focus combustion gas body propellant 101 that utilize ignition charge 103 burnings to produce, the gas of generation is to the pre-prop ejection of seat harness.
In addition, the pre-prop of seat harness in the past is illustrated in Fig. 6 with one of gas generator.The gas generator 100 of Fig. 6, produce the gas-forming agent 101 of a large amount of gases by burning, the igniter 104 (with reference to Fig. 5) that holds the ignition charge 103 of energising ignition, the cup 102 that holds gas-forming agent 101, cover the igniter cover 114 of cup 112, at center fixation igniter 104 and igniter cover 114 gas-forming agent 101 and igniter 104 are sealed in the bearing 106 of cup 102 inboards respectively, be configured in and prevent to immerse the O-ring seals 115 of moisture in the gap of igniter 104 and bearing 106 and in order to make in advance with respect to igniter 104 upright 2 electrode needle 108 of establishing from the igniter 104 and the gap of bearing 106, the shorting clip 113 of 109 short circuits constitutes.In addition, at gap coating the sealant (not shown) in order to prevent moisture from immersing of cup 102 with bearing 106.
Here, the material of gland 107 forms with thermoplastic resin, as this thermoplastic resin, can use (for example, with reference to the patent documentations 1) such as materials of combined fiberglass etc. in the synthetic resin of polybutylene terephthalate (PBT) (PBT), nylon 6, nylon 66 etc. particularly.
In addition, also proposed to use the thermosetting resin of unsaturated polyester (UP) etc. to form the scheme (for example, with reference to patent documentation 2) of gland.
In addition, patent documentation 3 discloses the gas generator that comprises the igniter with the gland that is made of the insulating properties support that is formed by epoxy resin, cylindrical metal sleeve and the lining forming part that formed by thermoplastic resin.
In addition, patent documentation 4 discloses the gland that has solid body and glass system sheath to constitute, with the igniter of epoxy encapsulation.
In addition, patent documentation 5 discloses the gas generator that comprises the igniter with the top cover (gland) that forms with the thermosetting resin of thermoplastic resin or unsaturated polyester (UP).
In addition, patent documentation 6 discloses the gas generator that comprises the igniter with the top cover (gland) that uses galss fiber reinforced resin formation.
In addition, patent documentation 7 discloses to have and has been formed with the gas generator that 2 electrode needle are inserted the bearing of 2 logical inserting holes and utilize insulative resin to be shaped to the igniter of the seal that is equivalent to gland independently.
Patent documentation 1: the spy opens 2003-25950 communique (the 4th page and Fig. 4)
Patent documentation 2: the spy opens 2002-90097 communique (the 5th page)
Patent documentation 3: the spy opens 2000-108838 communique (the 5th page)
Patent documentation 4: the spy opens 2000-241099 communique (the 4th page, the 5th page)
Patent documentation 5: international No. 01/031281 brochure of WO that discloses
Patent documentation 6: international No. 01/031282 brochure of WO that discloses
Patent documentation 7: the spy opens 2000-292100 communique (Fig. 1)
Summary of the invention
As previously mentioned, in the igniter in the past, the gland of ignition charge uses the occasion that resin forms in the seal cup, generally is made of thermoplastic resin.Therefore, igniter is packed into and is used in the gas generator, the occasion of vehicle fire when colliding, automobile takes place, perhaps during the gas generator combustion test under surpassing the predetermined condition of high temperature etc., the occasion that gas-forming agent burns, the gland that thermoplastic resin constitutes is softening, because the air pressure of gas generator inner high voltage might fly out 2 electrode needle that connect gland.In addition, the occasion of thickening gland thickness in order to prevent this state, only this just makes the size of igniter increase, so gas generator also maximizes, or does not increase the occasion of gas generator size, but the minimizing of the loading of gas-forming agent.In addition, electrode needle and the part of inserting electrode needle are made with metal, use glass-encapsulated these and make the occasion of gland, component costs height, and make and go up because of need be with the operation of glass melting so manufacturing cost is also high, the result becomes the gland of high price.
In addition, also can enumerate the occasion that gland uses the unsaturated polyester ester composition to be shaped, need the long time to solidifying fully, so production efficiency is poor, the curing reaction initator uses the occasion of peroxide, because of the problem of operation difference and so on is decomposed in the unstable event of peroxide easily.
In addition, the occasion that the gland part is made of several parts, each parts sealing existing problems each other.In addition, component count increases, and numerous and diverse problem of making is arranged.
The purpose of this invention is to provide little amplitude and reduce production efficiency etc., the intensity of gland makes the reduced thickness of gland during by raising high temperature, with the igniter miniaturization, prevent that reliably electrode needle from flying out, and guarantee the igniter of sealing between gland and electrode needle, and use the gas generator of this igniter.Preferably provide and use thermosetting resin with electrode needle and bearing integrated molding, further preferred use epoxy resin is with the gas generator of electrode needle and bearing integrated molding.
Igniter of the present invention, it is characterized in that it being to have resistance heater, utilize the heating of aforementioned resistance heater and the igniter of the gland of burning fire medicine, the electrode needle that links to each other with aforementioned resistance heater and maintenance former electrodes pin, wherein the material of aforementioned gland is a thermosetting resin.
In addition, igniter of the present invention, it is characterized in that having the cup that holds ignition charge, be contained in that this glass gone up and seal cup in ignition charge gland, connect this gland 2 electrode needle, connect the electric bridge line of the aforementioned cup inner end of 2 electrode needle, and the ignition pill that covers this electric bridge line and join with ignition charge, wherein the material of aforementioned gland is a composition epoxy resin.
In addition, in the igniter of the present invention, the aforementioned epoxy resins composition preferably contains epoxy resin and curing agent.In addition, in the aforementioned epoxy resins composition, preferably totally contain the filler of 30～95 weight % with respect to composition epoxy resin.Aforementioned filler preferably comprises at least a kind in fused silica, crystalline silica, aluminium oxide and the calcium carbonate.It is in the epoxy resin at least a kind that aforementioned epoxy resins preferably comprises bisphenol-type epoxy resin, novolac-type epoxy resin, biphenyl type epoxy resin, naphthalene type epoxy resin, alicyclic epoxy resin and amine.Aforementioned curing agent preferably comprises at least a in phenol phenolic novolac, acid anhydrides and the amine.Aforementioned curing agent preferably contains curing accelerator.The end of the aforementioned bearing side in aforementioned gland, the diameter that is preferably formed the bearing side such end difference that diminishes.
In addition, gas generator of the present invention, it is characterized in that it being to possess the gas-forming agent of gas takes place wadding warp burning cup, be configured in the igniter of this glass inboard and keep aforementioned igniter and aforementioned glass bearing, and the electrode needle that aforementioned igniter has resistance heater, utilizes aforementioned resistance heater heating burning fire medicine, links to each other with aforementioned resistance heater, gas generator with the gland that keeps the former electrodes pin, wherein the material of aforementioned gland is a thermosetting resin, and aforementioned bearing has the independent inserting hole of inserting logical former electrodes pin.
In addition, gas generator of the present invention also can be the gas generator that the igniter of the invention described above is arranged.
In addition, gas generator of the present invention, it is characterized in that possessing the 2nd glass of the gas-forming agent that has wadding warp burning to produce gas and be configured in the 2nd glass of inboard and hold the 1st glass igniter of ignition charge, and this igniter of maintenance and aforementioned the 2nd glass bearing, this igniter has and is contained in aforementioned the 1st glass of gland of going up ignition charge in the 1st glass of the sealing, with the 2 piece electrode needle of this gland of perforation to the extension of bearing side, form aforementioned 2 electrode needle and independently insert 2 logical inserting holes on aforementioned bearing, the material of aforementioned gland is formed by compositions of thermosetting resin.
In addition, gas generator of the present invention, preferably each foundation part of aforementioned each electrode needle of extending from aforementioned gland is covered by the extension with aforementioned gland integrated molding, and this extension inserts in the aforementioned inserting hole.In addition, the preferred end of the aforementioned bearing side in aforementioned gland, the diameter that forms the bearing side such end difference that diminishes.The material of aforementioned gland is preferably formed by composition epoxy resin.The area of aforementioned 2 inserting holes preferably former electrodes pin sectional area greater than 1 times to being less than or equal to 10 times.In addition, near portion aforementioned end difference preferably is provided with the encapsulant that seals between bearing and gland.
The invention effect
Igniter of the present invention is because the use thermosetting resin forms gland, so even at high temperature gland also has enough intensity, because of gland under the condition of high temperature does not soften, so can prevent that electrode needle from coming off from gland.Thus, compare with the occasion of using thermoplastic resin, even with the reduced thickness of gland, also can guarantee to prevent the electrode needle required intensity that flies out, only the attenuate gland just can make the igniter miniaturization.
In the gas generator of the present invention, insert logical in 2 electrode needle 2 inserting holes that formed area is little on bearing independently.Therefore, ignition charge burning and become the occasion of high-temperature high-pressure state in the 2nd glass, the major part of gland end face and bearing offset and stop effectively, and 2 electrode needle difficulties are extracted laterally from bearing and are flown out.In addition, because the gap smaller of electrode needle and bearing in inserting hole, so during electrical test static by the time, between the inserting hole of the part of the electrode needle that does not have gunpowder, ignition charge and bearing, emit static by discharge, can prevent that gunpowder, ignition charge from getting angry that class discharge.
The preferred plan that carries out an invention
As shown in Figure 1, igniter 4 of the present invention has ignition charge 10, seal the 1st glass 11 of holding this ignition charge 10, partly be embedded in the 1st glass 11 and the gland 13 of ignition charge 10 and connect 2 electrode needle 14,15 that this gland 13 extends to bearing 5 sides etc. in sealing the 1st glass 11.As shown in Figure 1, the top ends of the 1st glass of 11 sides of 2 electrode needle 14,15 is electrically connected with resistance heater 16, and resistance heater 16 quilts cover with the ignition pill 17 that ignition charge 10 joins.That is, the formation of this igniter 4 is that when electrode needle 14,15 energisings, ignition pill 17 utilizes resistance heater 16 heatings and gets angry, and then, gets angry and burns with the ignition charge 10 that ignition pill 17 joins.In the igniter 4 of the present invention, preferably do not use ignition charge 10,, have and the equal power of the occasion of priming 10 by regulating the powder volume of the ignition pill 17 that covers resistance heater 16.In addition, this occasion is also preferably removed the 1st glass.In addition, as sealing the method for holding ignition charge, except cup, also can consider method of coating resin etc. etc., its method does not have particular determination.
The material of the electrode needle 14,15 that gland 13 uses, preferred nickeliferous alloy, iron, stainless steel.
As resistance heater 16, for example can enumerate the so-called electric bridge line that the metal by nichrome or platinum etc. constitutes.The preferred resistance heater (SCB) of having used semiconductor fabrication that uses.Wherein, more preferably use the reactance bridge.
In addition, the 1st glass 11 has the shape that bottom tube-like is arranged, and the gas-forming agent 2 of hot-fluid in the 2nd glass 3 (Fig. 2) that produces when forming ignition charge 10 burnings that make in the 1st glass 11 in its bottom surface sprays the fiery 11a of portion that leads of usefulness.Lead the fiery 11a of portion the grooving that is called ス コ ア can be arranged.In addition, in the end of the 1st glass of 11 open side, form the holding section 11b that engages with gland 13.As the material that forms the 1st glass 11, for example can enumerate the plastic material of polybutylene terephthalate (PBT), PETG, nylon 6, nylon 66 etc.
In the igniter 4 of the present invention, when 14,15 of each electrode needle are passed through predetermined electric current, almost transient resistance heater 16 heatings.Ignition pill utilizes this heating stably to get angry, and ignition charge 10 burning thus presses liter in the 1st glass 11, and the 1st glass 11 bottom (leading the fiery 11a of portion) breaks.And the flame of ignition charge 10 sprays in gas generator from igniter.
Igniter 4 of the present invention is implemented each following operation usually and is made.(1) operation of 2 electrode needle of formation, (2) operation of formation gland 13, (3) operation of formation solder side on each electrode needle 14,15, (4) operation of welding resistance heater 16, (5) operation of application point fireball on resistance heater 16, (6) operation that ignition pill is contacted with ignition charge 10, (7) are to the 1st glass of 11 operation that embeds gland 13.
Use the gas generator of igniter of the present invention to be shown in Fig. 2 Fig. 2.In this gas generator 1, the 1st glass 11 overall quilt of igniter 4 has the igniter cover 12 (also claiming quick-fried tube cover) of bottom tube-like to cover (Fig. 2).What form in the bottom of igniter cover 12 that gas-forming agent 2 to the 2nd glass 3 in sprays that hot-fluids use leads fire hole 12a.In addition, in the end of the open side of igniter cover 12, the flange part 12b that usefulness is installed to bearing 5 press taper formation.Igniter cover 12 for example can use the metal material of iron, stainless steel or aluminium etc., or the formation such as synthetic resin of PBT (polybutylene terephthalate (PBT)), fluororesin etc.Like this, covered by igniter cover 12 owing to hold the 1st glass 11 of ignition charge 10, so can prevent the 1st glass 11 binding force height, the pressure rising when ignition charge 10 is got angry the 1st glass 11 in is broken for preceding the 1st glass 11, and ignition charge 10 is burnt.As a result, the burning velocity of ignition charge 10 accelerates, and the combustion-delaying of gas-forming agent 2 diminishes.In addition, what not necessarily must form fiery 11a of portion of the 1st glass 11 lead and igniter cover 12 in the bottom leads fire hole 12a, also can form the fiery 11a of portion of leading of one or more, lead fire hole 12a in the side of the tubular of these the 1st glass 11 and igniter cover 12.
As shown in Figure 1, gland 13 comprises the insertion section 13a of embedded shape ground in inserting the 1st glass 11, becomes the large-diameter portion 13b of taper and minor diameter part 13c littler than this large-diameter portion 13b diameter and that link to each other with large-diameter portion 13b via end difference 13e from the base portion hole enlargement of this insertion section 13a.By the divide a word with a hyphen at the end of a line portion 13f of large-diameter portion 13b, become vertical face with respect to the parallel portion of electrode needle 14,15 to minor diameter part 13c.Like this, form end difference 13e in the left part (ends of bearing 5 sides) of gland 13, constitute by the mode of the wall thickness reduction of the large-diameter portion 13b that makes gland 13.Insertion section 13a engages with holding section 11b in being embedded in the 1st glass 11, and gland 13 is not come off from the 1st glass 11.In addition, the wall thickness of gland 13b is preferably 1.6mm～2mm.
As shown in Figure 2, adorning in the closely portion of being close to and preventing the packing ring 18 (encapsulant) of moisture from the 2nd glass 3, immersing between gland 13 and the bearing 5 at the end difference 13e on the left side of large-diameter portion 13b.Here, sealant that also can the coating liquid shape replaces packing ring 18.In addition, fastening with the circular protrusion 5c of bearing 5 under the state of the taper flange part 12b of the conical surface close contact firearm cover 12 of large-diameter portion 13b, mounting points firearm cover 12 and gland 13 on bearing 5.
2 electrode needle 14,15 connect gland 13, and the one one end side portion is stretched out in the 1st glass 11, and another one end side portion is extended to bearing 5 sides, connects bearing 5 again.The end of the electrode needle 14,15 of stretching out in the 1st glass 11 utilizes resistance heater 16 to be electrically connected.On the other hand, the foundation part of the part of stretching out to bearing 5 sides from gland 13, the extension 13d that is coughed up the truncated cone shape of stretching out to bearing 5 sides by the minor diameter part 13c from gland 13 covers.
The material of gland 13 is hot solids resins.Consider preferred epoxy composition in the thermosetting resin from the viewpoint of curing property or moisture-proof.This compositions of thermosetting resin preferably has epoxy resin and curing agent.Moreover, be thermosetting resin equally, though unsaturated polyester (UP) aspect fire resistance, be equal to composition epoxy resin, aspect the caking property of metal not as composition epoxy resin, so not preferred.
As the kind of epoxy resin, for example can enumerate polyfunctional epoxy resin, be that epoxy resin, glycidyl amine are epoxy resin, halogenation phenols through epoxy resin of glycidolization etc. as polyfunctional epoxy resin, alicyclic epoxy resin, fatty family epoxy resin, hetero ring type epoxy resin, the ethylene oxidic ester of the glycidyl ether thing of various phenolic novolacs as the glycidyl ether thing of polyphenol compound.
Polyfunctional epoxy resin as polyphenol compound glycidyl ether thing, for example can enumerate phenol, cresols, bisphenol-A, Bisphenol F, bisphenol S, 4,4 '-xenol, the tetramethyl bisphenol-A, the dimethyl bisphenol-A, the tetramethyl Bisphenol F, the dimethyl Bisphenol F, the tetramethyl bisphenol S, the dimethyl bisphenol S, tetramethyl-4,4 '-xenol, dimethyl-4,4 '-xenol, 1-(4-hydroxy phenyl)-2-[4-(1,1-pair-(4-hydroxy phenyl) ethyl) phenyl] propane, 2,2 '-methylene-two (4-methyl-6-tert butyl phenol), 4,4 '-butylidene-two (3 methy 6 tert butyl phenol), the trihydroxy benzene methylmethane, resorcinol, quinhydrones, 1,2,3,-thrihydroxy-benzene, the phenols that ジ イ ソ Block ロ PVC リ デ Application skeleton is arranged, 1,1-two-4-hydroxy phenyl fluorenes etc. has the phenols of fluorene skeleton, phenol polybutadiene etc. are as epoxy resin of polyphenolic substance glycidyl ether thing etc.
As the polyfunctional epoxy resin of various phenolic novolac glycidyl ether things, for example can enumerate phenol, the cresols class, the ethylo benzene phenols, the butyl benzene phenols, the octyl phenol class, bisphenol-A, Bisphenol F, bisphenol S, the various phenol of aphthols etc. are the phenolic novolac of raw material, the phenol phenolic novolac that the xylylene skeleton is arranged, the phenol phenolic novolac that the bicyclopentadiene skeleton is arranged, the phenol phenolic novolac that the xenyl skeleton is arranged, the glycidyl ether thing etc. of various phenolic novolacs that the phenol phenolic novolac etc. of fluorene skeleton is arranged.
As alicyclic epoxy resin, for example can enumerate 3,4-epoxy radicals cyclohexyl methyl-3 ', 4 '-cyclohexane carboxylic acid thing etc. has the alicyclic epoxy resin of cyclohexane skeleton etc.
As fatty family epoxy resin, for example can enumerate 1,4-butanediol, 1, the glycidol ethers of the polyalcohol of 6-hexylene glycol, polyethylene glycol, polypropylene glycol, pentaerythrite, Xylene glycol derivative etc. etc.
As hetero ring type epoxy resin, for example can enumerate isocyanide urea ring, hydantoins ring etc. has hetero ring type epoxy resin of heterocycle etc.
As ethylene oxidic ester is epoxy resin, for example can enumerate hexahydrophthalic acid 2-glycidyl ester, tetrahydrophthalic acid 2-glycidyl ester etc. and comprise epoxy resin of carboxylic acids etc.
As glycidyl amine is epoxy resin, and the amine that for example can enumerate aniline, toluidines, p-phenylenediamine (PPD), m-phenylene diamine (MPD), diaminodiphenyl-methane derivative, diaminourea methylbenzene derivative etc. is through epoxy resin of glycidolization etc.
As the epoxy resin of halogenation phenols through glycidolization, the halogenation phenols that for example can enumerate brominated bisphenol A, brominated bisphenol F, brominated bisphenol S, bromination phenol novolac, bromination cresols novolac, chlorination bisphenol S, chlorination bisphenol-A, bromination phenol etc. is through epoxy resin of glycidolization etc.
Use to these epoxy resin does not have particular restriction, can suitably select according to use, but preferably bisphenol-type epoxy resin, novolac-type epoxy resin, biphenyl type epoxy resin, naphthalene type epoxy resin, alicyclic epoxy resin, amine are epoxy resin.Special preferred bisphenol A type epoxy resin and novolac-type epoxy resin.In addition, these epoxy resin also can suitably select the mixture more than a kind or 2 kinds to use according to the needs of electrical insulating property, caking property, resistance to water, mechanical strength, operability etc.
As curing agent, for example can enumerate acid anhydrides, amine, phenols, imidazoles etc.
As acid anhydrides, for example can enumerate the aromatic carboxylic acid acid anhydride of phthalic anhydride, trimellitic anhydride, PMA acid anhydride, benzophenone tetracarboxylic anhydride, ethylene glycol trimellitic anhydride ester, biphenyltetracarboxyacid acid acid anhydride etc., the acid anhydrides of aliphatic carboxylic acids such as azelaic acid, decanedioic acid, dodecanedioic acid, the ester ring type carboxylic acid anhydrides of tetrabydrophthalic anhydride, hexahydrophthalic anhydride, carbic anhydride, HET acid acid anhydride, Ha イ ミ ッ Network acid anhydrides etc. etc.As phthalic anhydride, for example can enumerate the 4-methylhexahydrophthalic anhydride.Preferred especially 4-methylhexahydrophthalic anhydride.
As amine, for example can enumerate aromatic amine, aliphatic amine, modified amine of diaminodiphenyl-methane, diamino diphenyl sulfone, diamino-diphenyl ether etc. etc.
As phenols, for example can enumerate bisphenol-A, tetrabromobisphenol A, Bisphenol F, bisphenol S, 4,4 '-xenol, 2,2 '-methylene-two (4-methyl-6-tert butyl phenol), 2,2 '-methylene-two (4-ethyl-6-tert-butyl phenol), 4,4 '-butylidene-two (3 methy 6 tert butyl phenol), 1,1,3-three (2-methyl-4-hydroxyl-5-tert-butyl phenol), the trihydroxy benzene methylmethane, 1,2,3,-thrihydroxy-benzene, the phenols that ジ イ ソ Block ロ PVC リ デ Application skeleton is arranged, 1,1-two-4-hydroxy phenyl fluorenes etc. has the phenols of fluorene skeleton, the polyphenolic substance of phenol polybutadiene etc., phenol, the cresols class, the ethyl phenols, process for preparation of di-tert-butyl phenol, the octyl group phenols, bisphenol-A, brominated bisphenol A, Bisphenol F, bisphenol S, the various phenol of aphthols etc. are the phenolic novolac of raw material, the phenol phenolic novolac that the xylylene skeleton is arranged, the phenol phenolic novolac that the bicyclopentadiene skeleton is arranged, the various phenolic novolacs etc. that the phenol phenolic novolac etc. of fluorene skeleton is arranged.
As imidazoles, for example can enumerate glyoxal ethyline, the 2-phenylimidazole, the 2-undecyl imidazole, 2-heptadecyl imidazoles, 2-phenyl-4-methylimidazole, 1-benzyl-2-phenylimidazole, 1 benzyl 2 methyl imidazole, the 1-1-cyanoethyl-2-methylimidazole, 1-cyanoethyl-2-phenylimidazole, 1-cyanoethyl-2-undecyl imidazole, 2,4-diaminourea-6 (2 '-methylimidazole (1 ')) ethyl-s-triazine, 2,4-diaminourea-6 (2 '-undecyl imidazole (1 ')) ethyl-s-triazine, 2,4-diaminourea-6 (2 '-ethyl, 4-methylimidazole (1 ')) ethyl-s-triazine, 2,4-diaminourea-6 (2 '-methylimidazole (1 ')) ethyl-s-triazine isocyanuric acid addition product, the 2:3 addition product of glyoxal ethyline and isocyanuric acid, 2-phenylimidazole-isocyanuric acid addition product, 2-phenyl-3,5-dihydroxy methylimidazole, 2-phenyl-4-methylol-5-methylimidazole, 1-cyanoethyl-2-phenyl-3, the various imidazoles of 5-dicyano ethoxyl methyl imidazoles, and these imidazoles and phthalic acid, M-phthalic acid, terephthalic acid (TPA), trimellitic acid, PMA, naphthalene dicarboxylic acids, maleic acid, the salt of the polybasic carboxylic acid of oxalic acid etc.Use which kind of the curing agent will be in these curing agent, or operation suitably select according to igniting with the desired characteristic of quick-fried barrel structure body, but preferably anhydrides, phenol phenolic novolac, amine.The use amount of these curing agent can be in the equivalent proportion of the epoxy radicals of curing agent and thermosetting resin in 0.3～2.0 scope, and preferred 0.4～1.6 scope is more preferably used in 0.5～13 scope.In addition, curing agent also can use mixing more than 2 kinds, and imidazoles also can be used as curing accelerator and uses.
As curing accelerator, for example can enumerate glyoxal ethyline, the 2-phenylimidazole, the 2-undecyl imidazole, 2-heptadecyl imidazoles, 2-phenyl-4-methylimidazole, 1-benzyl-2-phenylimidazole, 1 benzyl 2 methyl imidazole, the 1-1-cyanoethyl-2-methylimidazole, 1-cyanoethyl-2-phenylimidazole, 1-cyanoethyl-2-undecyl imidazole, 2,4-diaminourea-6 (2 '-methylimidazole (1 ')) ethyl-s-triazine, 2,4-diaminourea-6 (2 '-undecyl imidazole (1 ')) ethyl-s-triazine, 2,4-diaminourea-6 (2 '-ethyl, 4-methylimidazole (1 ')) ethyl-s-triazine, 2,4-diaminourea-6 (2 '-methylimidazole (1 ')) ethyl-s-triazine isocyanuric acid addition product, the 2:3 addition product of glyoxal ethyline isocyanuric acid, 2-phenylimidazole isocyanuric acid addition product, 2-phenyl-3,5-dihydroxy methylimidazole, 2-phenyl-4-methylol-5-methylimidazole, 1-cyanoethyl-2-phenyl-3, the various imidazoles of 5-dicyano ethoxyl methyl imidazoles, these imidazoles and phthalic acid, M-phthalic acid, terephthalic acid (TPA), trimellitic acid, PMA, naphthalene dicarboxylic acids, maleic acid, the salt of the polybasic carboxylic acid of oxalic acid etc., the amide-type of dicyandiamide etc., 1, the diaza compound of 8-diazabicyclo (5.4.0) hendecene-7 grade and and phenols, aforementioned polybasic carboxylic acid class, or the salt of phosphinic acids class; The ammonium salt of Tetrabutylammonium bromide, bromination cetyl trimethyl ammonium, bromination tricaprylmethylammonium etc., triphenylphosphine, tetraphenyl tetraphenyl borate salts etc. Phosphorus, 2,4, the phenols of 6-triamido methylphenol etc., and is made these curing agent the microcapsule-type curing accelerator etc. of microcapsules at the amine addition product.Use which kind of of these curing accelerators on earth, for example can suitably select according to the characteristic that the transparency, curing rate, these prepared transparent resin compositions of operating condition require.Use the occasion of curing accelerator, the use amount of this promoter is 0.1～5 mass parts with respect to thermosetting resin 100 mass parts, preferably about 1 mass parts.
For example can enumerate fused silica as filler, the various silica of crystalline silica etc., silicon carbide, silicon nitride, boron nitride, calcium carbonate, magnesium carbonate, barium sulfate, calcium sulfate, mica, talcum, clay, aluminium oxide, magnesia, zirconia, aluminium hydroxide, magnesium hydroxide, calcium silicates, alumina silicate, lithium aluminium silicate, zirconium silicate, barium titanate, glass fibre, carbon fiber, molybdenum bisuphide, asbestos etc., preferably fused silica, the crystallization silicon dioxide, calcium carbonate, aluminium oxide, aluminium hydroxide, calcium silicates, be more preferably fused silica, crystalline silica, aluminium oxide, calcium carbonate etc.The use amount of these fillers is performance, operation and decide as requested, is preferably 30～95 overall weight % of compositions of thermosetting resin, more preferably 40～90 weight %, and the spy is 50～90 weight % preferably.In addition, these fillers can be used alone or use mixing more than two kinds.
Composition epoxy resin can for example suitably add colouring agent, coupling agent, levelling agent, lubricant etc. according to purpose.
Do not have particular restriction as colouring agent, for example can enumerate the inorganic pigment of the various organic system pigments, titanium oxide, lead sulfate, chrome yellow, zinc yellow, chrome vermilion, iron oxide red, cobalt violet of phthalocyanine, azo, two diazonium, quinacridone, anthraquinone, flavanthrone, ペ リ ノ Application, perylene, two piperazines, condensation azo, azomethine system, dark blue, ultramarine, carbon black, chrome green, chromium oxide, cobalt green etc. etc.
As coupling agent; for example can enumerate the 3-glycidoxypropyltrime,hoxysilane; 3-glycidoxy propyl group ethyl dimethoxy silane; 3-glycidoxy propyl group methyl dimethoxysilane; 2-(3; 4-epoxy radicals cyclohexyl) ethyl trimethoxy silane; N-(2-amino-ethyl) 3-aminopropyl methyl dimethoxysilane; N-(2-amino-ethyl) 3-aminopropyl MTMS; the 3-aminopropyltriethoxywerene werene; 3-sulfydryl propyl trimethoxy silicane; vinyltrimethoxy silane; N-(2-(vinyl benzyl amino) ethyl) 3-TSL 8330 hydrochloride; the 3-methacryloxypropyl trimethoxy silane; the 3-chloropropylmethyldimethoxysilane; the silane series coupling agent of 3-r-chloropropyl trimethoxyl silane etc.; (N-ethylamino ethylamino) isopropyl titanate; isopropyl triisostearoyltitanate; two (dioctylphyrophosphoric acid) titanium oxyacetate; two (dioctyl phosphorous acid) tetraisopropyl titanate; the titanium of three (right-N-(beta-aminoethyl) aminophenyl) new alkoxy ester of metatitanic acid etc. is a coupling agent; the acetylacetone,2,4-pentanedione zirconium; the methacrylic acid zirconium; the propionic acid zirconium; the new alkoxy ester of zirconic acid; new alkoxyl three new capryl zirconates; the new alkoxy ester of three (dodecane acyl group) benzene sulfonyl zirconic acids; three (ethylenediamine base ethyl) new alkoxy ester of zirconic acid; the new alkoxy ester of three (m-aminophenyl base) zirconic acids; zirconium carbonate ammonium; aluminium acetylacetonate; aluminium methacrylate; the zirconium of propionic acid aluminium etc.; or aluminium is coupling agent, and preferably silicon is coupling agent.By using coupling agent can obtain the moisture-proof good reliability, the solidfied material that the reduction of the adhesion strength after the moisture absorption is few.
As levelling agent, for example can enumerate molecular weight that the esters of acrylic acid of ethyl acrylate, butyl acrylate, 2-EHA etc. forms and be 4000～12000 oligomer class, epoxidised soybean fatty acid, epoxidation abienol, rilanit special, titanium is coupling agent etc.
As lubricant, for example can enumerate paraffin, microwax, the hydrocarbon system lubricant of Tissuemat E etc., laurate, myristic acid, palmitic acid, stearic acid, the higher fatty acids base lubricant of arachidic acid behenic acid etc., stearmide, palmitamide, oleamide, the di-2-ethylhexylphosphine oxide stearmide, the higher fatty acid amides base lubricant of ethylenebisstearamide etc., hardened castor oil, butyl stearate, Tego-stearate, (one, two, three, or four) the high-grade aliphatic ester base lubricant of stearic acid pentaerythritol ester etc., cetanol, stearyl alcohol, polyethylene glycol, the pure base lubricant of polyglycerol etc., as laurate, myristic acid, palmitic acid, stearic acid, arachidic acid behenic acid, castor oil acid, the magnesium of aphthenic acids etc., calcium, カ De ニ ユ ウ system, barium, zinc, the metallic soap class of the slaine of lead etc., Brazil wax, candelila wax, beeswax, the natural waxes of montan wax etc.
Prepare this composition epoxy resin, when gradation composition is the occasion of solid, use mixers such as Henschel mixer, nauta mixer that epoxy resin, curing agent, as required the gradation composition of curing accelerator, filler and coupling agent, colouring agent, levelling agent etc. are mixed, use kneader, extruder, warm-up mill 80～120 ℃ mixing, be ground into the Powdered compositions of thermosetting resin that makes after the cooling.On the one hand, gradation composition is liquid occasion, and use planetary-type mixer etc. disperses to form compositions of thermosetting resin equably with gradation composition.Can add solvent adjustment when the viscosity height of liquid composition and operability difference and become to be fit to the viscosity of operation.In addition, also solid composite can be made liquid use.The compositions of thermosetting resin of the solid that this occasion can make preceding method be dissolved in make in the solvent liquid.Also each gradation composition can be dissolved in and become liquid composition in the solvent.The solvent that this occasion is used does not have particular determination, can use the solvent that uses as usual solvents.The compositions of thermosetting resin that makes like this is the occasion of solid, uses after the general granulation to be heated to 100～200 ℃ after the make-up machine moulding of low pressure die casting machine etc. and to make it to solidify.Liquid occasion then is cast in the mould, or behind the feed, is heated to 100～200 ℃ and makes it to solidify.
Yet, aforementioned epoxy resins composition glass transition temperature height, the intensity height under the high temperature.Especially composition epoxy resin, preferably its glass transition temperature is in the temperature higher than gas generator autogenous ignition temperature.More preferably be in the temperature higher (for example temperature more than 180 ℃) than the autogenous ignition temperature that is seated in the gas-forming agent in the gas generator.Therefore, form gland 13 by using such composition epoxy resin, even become high temperature and high pressure conditions in the 1st glass 11 of the ignition charge 10 burning back, the time gland 13 also softening, electrode needle 14,15 difficulties fly out laterally from gland 13.In addition, even the intensity the when reduced thickness of gland 13 also can be guaranteed high temperature fully, only this just can make the compact in size of gas generator 1, and perhaps not varying sized volume in also can increasing the 2nd glass 3 increases the amount of the gas-forming agent 2 of filling.Therefore, must increase loading and not contain aforementioned cordite even the using gases luminous efficiency is low, the occasion of the gas-forming agent that toxic gas composition generating capacity is few (green emitted medicine) also can not increase the size of gas generator 1.In addition, composition epoxy resin is because good with the caking property of metal, so in the igniter of the present invention 4, gland 13 is good with the caking property of electrode needle 14,15, this part does not need to use encapsulant.In addition, use metal material to form bearing 5, the igniter of bearing 5 and gland 13 integrated moldings even do not use encapsulant between bearing 5 and gland 13, can do one's utmost to prevent moisture immersion in holding the 1st glass 11 of ignition charge 10.
Among Fig. 2, in the gas generator 1 that uses igniter 4 of the present invention, the shorting clip 19 that 14,15 short circuits of 2 electrode needle are used is installed.This shorting clip 19 is used to prevent that static etc. from causing igniter 4 misoperations.
Use the gas generator 1 of igniter 4 of the present invention, form projection 5a at the peripheral part of the bearing 5 of holding point firearm 4, this projection 5a engages with the 2nd glass 3 flange part 3d, makes the 2nd glass 3 to be fastened on the bearing 5.In addition, divide formation to hold the concavity accommodation section 5b of gland 13 in the right side of bearing 5, with from all ends of this accommodation section 5b to the right-hand circular protrusion 5c that stretches out, the state of gland 13 for partly holding among the 5b of accommodation section, the flange part 12b of the cone-shaped of circular protrusion 5c and igniter cover 12 connect to, igniter cover 12 and gland 13 are fastened on the bearing 5.
As described above, form end difference 13e on the gland 13, therewith correspondingly, the accommodation section 5b that holds the bearing 5 of this gland 13, by the big footpath of the large-diameter portion 13b that holds gland 13 hold cave 21, and hold cave 21 with this and link to each other, the cave 22 that holds of path that holds the minor diameter part 13c of side line 13 constitutes.Therefore, by on gland 13, forming end difference 13e, because the wall thickness attenuation of the large-diameter portion 13b of gland 13, so the wall thickness of the bearing 5 of the part that engages with the large-diameter portion 13b of gland 13 can thicken than the wall thickness of the part that engages with minor diameter part 13c, the intensity of the bearing 5 under the high pressure conditions when gas-forming agent 2 burns in the time of can guaranteeing high temperature.
In addition, the preferred gland part of igniter of the present invention does not contain the supporter of coated electrode pin.That is, preferred gland uses the epoxy resin integrated molding.Thus, use the structure of a plurality of parts formation such as supporter to compare with gland, can reduce part count.So, can expect that the cost of igniter reduces.
In addition, the present invention uses aforesaid igniter, can make the small-sized gas generator that is applicable to the pre-prop of seat belt for cars.Gas generator of the present invention is described.The gas generator of the present invention 1 that Fig. 2 represents produces the 2nd glass 3 of gas-forming agent 2 of gas, is provided in the 2nd glass 3 inboard and the 1st glass 11 igniter 4 holding ignition charge 10 is arranged, has the igniter cover 12 of leading fire hole 12a that covers the 1st glass and constitute with the bearing 5 of the fastening maintenance of circular protrusion 5c of fastening point firearm cover 12 and the 1st glass of 11 usefulness by being filled with through burning.
As Fig. 2, shown in Figure 4, on bearing 5, form 2 inserting holes 23,24 that extend in parallel from the lower ends downward side that holds cave 22, in these 2 inserting holes 23,24, the independent part that is covered by the extension 13d of gland 13 in logical 2 electrode needle 14,15 of inserting.Here, the area of 2 inserting holes 23,24 preferably can be inserted in the scope of electrify electrode pin 14,15 size so, be preferably the electrode needle 14,15 of inserting logical these inserting holes 23,24 sectional area greater than 1 times to being less than or equal to 10 times, be preferably 2～7 times again.By constituting bearing 5 in this wise, the lower surface of gland 13 and the inner butt that holds cave 22 of bearing 5 are fixed, in addition, because the area that electrode needle 14,15 is inserted logical inserting holes 23,24 is littler than in the past igniter 4, fly out so can prevent that electrode needle 14,15 from coming off from bearing 5.In addition, owing to establish extension 13d at gland 13, although so the distance of electrode needle 14,15 and bearing 5 becomes closely in inserting hole 23,24, electrostatic current is out-of-date during electrical test, emit static by between the inserting hole 23,24 of the part of the electrode needle 14,15 that does not have gunpowder, ignition charge and bearing 5, discharging, can prevent the discharge as gunpowder, ignition charge are got angry.
In addition, this bearing 5 for example can use the metal material of aluminium, iron, stainless steel etc. to form, but because must establish aforesaid inserting hole 23,24 or hold cave 21,22 etc., Gu Te preferably uses moulding to be easy to aluminium and forms.
Gas-forming agent 2 obstructed filters and/or cooler and with the 2nd glass of cover interior week of 3 direct state of contact under be filled.Here, spendable gas-forming agent preferably contains the organic compounds containing nitrogen of the composition that acts as a fuel, as the inorganic compound of oxidizer composition, and the gas-forming agent of the additive more than at least a kind.The composition that acts as a fuel, can enumerate be selected from Aminotetrazole, guanidine nitrate, the nitroguanidine more than at least a kind.As oxidizer composition, can enumerate be selected from strontium nitrate, ammonium nitrate, potassium nitrate, ammonium perchlorate, the potassium hyperchlorate more than at least a kind.Can enumerate molybdenum trioxide as additive as spontaneous bad temper catalyst.In addition,, can enumerate binding agent etc. as also addible additive in the gas-forming agent, as binding agent can enumerate be selected from guar gum, methylcellulose, carboxymethyl cellulose, water-soluble cellulose ether, the polyethylene glycol more than at least a kind.As preferred gas-forming agent is 5-Aminotetrazole and the guanidine nitrate that contains the composition that acts as a fuel, as the strontium nitrate and the ammonium perchlorate of oxidizer composition, as the molybdenum trioxide of spontaneous bad temper catalyst, as the gas-forming agent of the guar gum of binding agent.Be more preferably 5-Aminotetrazole 10～30 quality % that contain the composition that acts as a fuel, guanidine nitrate 15～35 quality %, strontium nitrate 10～30 quality % as oxidizer composition, ammonium perchlorate 15～35 quality %, as molybdenum trioxide 1～10 quality % of spontaneous bad temper catalyst, as the gas-forming agent of guar gum 1～10 quality % of binding agent.The gas-forming agent that the present invention uses in order to become the form that can be filled in the pre-prop of seat harness etc., for example can be made the formed body of desired shape.The shape of this formed body does not have particular determination, can be, basis (a) cationic binding agent 0.25～5% in gas-forming agent, (b) the anionic property binding agent 0.25～5%, (c) fuel, (d) oxidant, (e) kind of combustionregulator etc., after adding the even mixing of water or organic solvent, the columned formed body that obtains is cut off in mixing extrusion molding, use tablet press machine etc. makes granular formed body.
Contain for the 2nd glass 3 the cylindrical portion 3a in big footpath link to each other with right-hand member with this cylindrical portion 3a and 2 planar side being parallel to each other are arranged the end 3b of tube portion arranged.As shown in Figure 3, form 6 undercut oral area 3c radially from the center in the bottom surface that the end 3b of tube portion is arranged.In addition, when gas-forming agent 2 burnings in the 2nd glass 3 produced the gas of high temperature and high pressure, because of the pressure of this gas breaks notch 3c, gas was directly to there not being the pre-prop of illustrated seat harness to emit.Form the flange part 3d to bearing 5 installation usefulness described later in the end of the 2nd glass 3 open side (downside of Fig. 2).As the material that forms the 2nd glass 3, for example can enumerate the metal material of stainless steel, iron, aluminium etc.
Below, the effect and the effect of the gas generator 1 of above-mentioned explanation described.When not having the collision of illustrated collision sensor senses automobile, to 14,15 energisings of 2 electrode needle.So, resistance heater 16 heatings that link to each other with electrode needle 14,15, ignition pill 17 is got angry.Ignition charge 10 utilizes the ignition of this ignition pill 17 and gets angry and burns.In addition, along with the burning of ignition charge 10, the 1st glass 11 inside of igniter 4 becomes the state of high temperature and high pressure.Here, the 1st glass 11, owing to covered and reinforcement by igniter cover 12 as shown in Figure 2.So can prevent ignition charge 10 breaks fully burning preceding the 1st glass of 11 expansion.In addition, 2 electrode needle 14,15 are led to because independently insert in 2 inserting holes 23,24 that formed area is little on bearing 5, so even the 1st glass 11 interior under the state of high temperature and high pressure, 2 also difficult disengaging bearings 5 of electrode needle 14,15 fly out laterally.
Then, gas-forming agent 2 burns, and utilizes the gas of the 2nd glass of 3 interior moment generation, the 2nd glass 3 pressure sharply rises, the 2nd glass of 3 formed notch 3c breaks, and directly to not having the pre-prop of illustrated seat harness to import, the pre-prop of seat harness moves the gas of high temperature and high pressure thus.
The igniter 4 of the present embodiment of above-mentioned formation, because gland 13 uses compositions of thermosetting resin to form, so gland 13 is softening under the condition of high temperature, gland 13 intensity height at high temperature is because gland 13 is softening so can prevent electrode needle 14,15 and come off from gland 13 under the condition of high temperature.In addition, even the thin thickness of gland 13 also can guarantee to prevent electrode needle 14, the 15 required intensity that flies out, attenuate gland 13, only this just can make igniter 4 miniaturizations.Perhaps, strengthen the 2nd glass of 3 long-pending loading that also can increase gas-forming agent 2 of interior visitor.In addition, because of the caking property of composition epoxy resin and metal is good, so can suppress moisture from invading between electrode needle 14,15 and the gland 13 in the 1st glass 11, moisture-proof is good.In addition, owing to use composition epoxy resin, so do not need supporter, can improve the sealing of 14,15 of gland 13 and electrode needle, and can reduce the component count of igniter 4 electrode needle 14,15 integrated moldings.
Especially above-mentioned compositions of thermosetting resin is the occasion of composition epoxy resin, owing to contain high epoxy resin of glass transition temperature and curing agent, so the caking property of composition epoxy resin and metal is good; Gland 13 is assembled in the occasion on the gas generator 1, and the caking property between gland 13 and the electrode needle 14,15 improves, and it is interior and preferred to prevent more reliably that moisture from invading the cup that is filled with gas-forming agent.
In addition, because the end of bearing 5 sides in gland 13, formation is than the little such end difference 13e of diameter of bearing 5 sides, with end difference 13e is the boundary, the diameter of bearing 5 sides diminishes, so only this, the wall thickness of the part of the bearing 5 that engages with the large-diameter portion 13b of gland 13 can be thicker than the wall thickness of the part that engages with minor diameter part 13c.As a result, the high temperature in the time of can guaranteeing gas-forming agent 2 burnings fully and the intensity of the bearing under the high pressure conditions 5.
Gas generator 1 according to the present embodiment of above-mentioned formation is logical because of inserting in little 2 inserting holes 23,24 of 2 electrode needle, 14, the 15 independent areas that form on bearing 5, even become the occasion of the state of high temperature and high pressure in the 2nd glass 3 so ignition charge 10 burns, the major part of the end face of gland 13 and bearing 5 connect to and fixing reliably, and 2 electrode needle 14,15 difficult bearings 5 that break away from fly out laterally.In addition, because the distance of electrode needle 14,15 and bearing 5 becomes near in inserting hole 23,24, so electrostatic current is out-of-date during electrical test, by between the inserting hole 23,24 of the part of the electrode needle 14,15 that does not have gunpowder, ignition charge and bearing, discharging, emit static, can prevent similar gunpowder, the such discharge of ignition charge ignition.
In addition, each foundation part of each electrode needle 14,15 of extending from gland 13 is covered by extension 13d, 13g with gland 13 integrated moldings, and extension 13d, 13g insert in the inserting hole 23,24.Therefore, each electrode needle 14,15 is inserted logical occasion respectively individually in inserting hole 23,24, this extension 13d, 13g and each inserting hole 23,24 are chimeric, and rocking of gland 13 diminished, and can guarantee that the insulation of 5 of each electrode needle 14,15 and bearings is reliable simultaneously.
In addition, since the area of 2 inserting holes 23,24 be electrode needle 14,15 sectional area greater than 1 times to being less than or equal to 10 times, so even bearing 5 uses metal, also can prevent the short circuit that each electrode needle 14,15 is mutual, even and softening occasion during the burning of the resinous gland that forms quick-fried tube under the condition of high temperature, also can prevent that electrode needle 14,15 from flying out outside bearing 5 by this hole.
In addition, because the encapsulant that seals between establishing bearing 5 and gland 13 in portion near the end difference 13e, so can prevent really that moisture is from entering between bearing 5 and the gland 13 in the 2nd glass 3 that is encapsulating ignition charge 10.In addition, use metal material to form the bearing part, use composition epoxy resin with the bearing part during with gland 13 integrated moldings, the caking property of metal part and resin portion is good, does not need encapsulant and preferably.
Moreover, more than in Shuo Ming the embodiment, though bearing 5 and gland 13 that electrode needle 14,15 arranged with parts formation independently, bearing 5 and electrode needle 14,15 also can be used the composition epoxy resin integrated molding.This occasion can reduce component count, can reduce manufacturing cost.
Embodiment
Below, specifically describe the present invention by embodiment, but the present invention is not limited to these
Embodiment.
The embodiment of the igniter that the present invention uses
Embodiment 1
{ bisphenol A type epoxy resin and curing agent (4-methylhexahydrophthalic anhydride), trade name: the so-called casting method that the system KAYATORON ML-6650N} of Nippon Kayaku K. K mixing injection mould makes it to solidify carries out moulding with composition epoxy resin in the gland employing of igniter of the present invention.This gland has metal needle, again metal needle is inserted mould earlier after spreading releasing agent on the mould during moulding.Prepare resin combination then, at this moment, in advance epoxy resin is heated to about 80 ℃, curing agent is heated to about 60 ℃.And the laggard row of ratio metering in 100: 100 mixes, and fully stirs.Produce a large amount of bubbles in the liquid composition epoxy resin that mixes with curing agent owing to bisphenol A type epoxy resin when stirring, so use the vacuum defoamation machine under 70～80 ℃ state, to carry out deaeration about 10～15 minutes, during this period the mould and die preheating that is inserted with metal needle.If deaeration finishes then liquid composition epoxy resin to be moved on in the syringe, the limit is heated about 50 ℃ with heater, and the limit uses dispenser to inject in mould.Finish if inject, carry out deaeration once again, the high temperature furnace of putting into 100 ℃ is after 3 hours, and the high temperature furnace of putting into 140 ℃ made it to solidify in 3 hours.Thus, then from high temperature furnace, take out mould, from mould, take out in type gland if composition epoxy resin solidifies.After taking out gland, if the occasion of generation burr etc. is then removed clean.Make gland like this, carry out the resistance welded of resistance heater according to the needs of each test, the cup that ignition charge is housed is set up in the moulding of ignition pill, finishes the igniter that the present invention uses.
The EXAMPLE Example 2 of gas generator of the present invention
Mounting points firearm cover installs on the bearing of the aluminum that scribbles sealant then on the gland of the igniter that embodiment 1 makes.And filling is as the cordite of gas-forming agent, with fastening the obtaining of bearing of adorning aforementioned igniter in the 2nd glass.
Use gas generator of the present invention to carry out flame assay, withstand voltage test, humidity test, confirm the effect of gas generator of the present invention.In each test, it is the gas generator that composition epoxy resin forms that gas generator of the present invention uses the material of the gland of igniter, in the gas generator that the Fig. 6 that compares therewith represents, the material of having prepared the gland of the igniter that Fig. 5 represents is the gas generator of PBT resin (polybutylene terephthalate (PBT)) moulding and the gas generator of unsaturated polyester (UP) moulding.The composition of the gas-forming agent that uses in each test contains nitroguanidine, ammonium perchlorate, strontium nitrate, binding agent, kaolin.
Flame assay
Test example 1
At first, flame assay is described.Test use the bottom be provided with diameter 1mm the gas bleed hole the about 10cc of internal volume anchor clamps cylindraceous and these anchor clamps are heated the propane burner of usefulness.Gas generator inserts anchor clamps inside.During flame assay anchor clamps are fixed on the platform fixing propane burner under it.The top that make the propane burner flame hole this moment is 400mm to the distance of clamp base, and the flame height of setting propane burner formation is visually 600mm.Moreover, after this flame assay uses propane burner to begin heating, be performed until the gas-forming agent burning and produce gas.Because of test produces explosive sound, utilize this explosive sound to confirm burning.Below, the specification of the gas generator that this flame assay is used and the results are shown in table 1.
[table 1]
| Cordite amount (mg) | The material of the gland of igniter | The result |
| 1000 | Composition epoxy resin | Resin component does not destroy |
| 1100 | Composition epoxy resin | Resin component does not destroy |
| 1200 | Composition epoxy resin | Resin component does not destroy |
| 1000 | The PBT resin combination | Resin component does not destroy |
| 1100 | The PBT resin combination | Resin component destroys |
| 1200 | The PBT resin combination | Resin component destroys |
| 1000 | Unsaturated polyester (UP) | Resin component does not destroy |
| 1100 | Unsaturated polyester (UP) | Resin component does not destroy |
| 1200 | Unsaturated polyester (UP) | Resin component does not destroy |
According to table 1, adorning the gas generator of the igniter of gland with PBT resin forming, the PBT resin component does not destroy when cordite 1000mg, and the PBT resin component destroys when 1100mg and 1200mg.In addition, adorning the gas generator of the igniter of gland, all do not destroying at any occasion unsaturated polyester (UP) parts of cordite 1000mg, 1100mg and 1200mg with unsaturated polyester (UP) moulding.Adorning the gas generator of the present invention of the igniter of the gland with composition epoxy resin moulding, in any occasion of cordite 1000mg, 1100mg and 1200mg, the epoxy resin parts all do not destroy.Illustrate in the flame assay thus, adorning the gas generator of the igniter of the present invention of gland with composition epoxy resin or unsaturated polyester (UP) moulding, more favourable on the intensity under the condition of high temperature than the gas generator of the igniter of adorning gland with PBT resin forming.
Withstand voltage test
Test example 2
Below withstand voltage test is described.3 kinds of gas generators are prepared in this test.A kind of is that the igniter that will have the gland of previously used PBT resin forming is contained on the bearing gas generator of fastening cup.Another kind is the gland of moulding as described above as igniter of the present invention, mounting points firearm cover, be installed in it on bearing of the aluminum that is coated with sealant after, the gas generator that fastening cup forms.Another is that the igniter with the gland that uses the unsaturated polyester (UP) moulding is installed on the bearing gas generator of fastening cup.Any gas generator does not load gas-forming agent.Use these gas generators to carry out withstand voltage test.Withstand voltage test is fixed on gas generator on the anchor clamps of 3.5cc internal volume, after oil is filled in anchor clamps inside, applies oil pressure gradually, the pressure when measuring gas generator destruction.The results are shown in table 2 to what this withstand voltage test obtained.
[table 2]
| The material of igniter gland | The length of gland (mm) | Piezometry value (MPa) | Have or not destruction |
| The PBT resin combination | 3.6 | 150 | Destroy |
| Composition epoxy resin | 2.9 | 189 | Do not destroy |
| Unsaturated polyester (UP) | 2.9 | 185 | Do not destroy |
As seen from Table 2, adorning the resin component destroyed when 150MPa of gas generator in the past of the igniter of gland with the moulding of PBT resin institute.And adorning the gas generator of the present invention of the igniter of gland with composition epoxy resin moulding, and pressure is applied to 189MPa, resin component and does not destroy.In addition, adorning the gas generator of the present invention of the igniter of the gland with unsaturated polyester (UP) moulding, pressure is applied to 185MPa, resin component does not have destruction.In addition, length about resin component, the result is, have composition epoxy resin, the unsaturated polyester (UP) gas generator of the igniter of the present invention of the length 2.9mm gland of moulding respectively though have, lack 0.7mm than the gas generator of the igniter in the past that the length 3.6mm gland that has the PBT resin forming is arranged respectively, but on intensity, demonstrate high value.Explanation thus, the gas generator of the present invention of igniter of adorning the gland with composition epoxy resin or unsaturated polyester (UP) moulding on intensity is more favourable than the gas generator of the igniter in the past of adorning the gland with PBT resin forming.
Humidity test
Test example 3
Again humidity test is described.3 kinds of gas generators are prepared in this test.A kind of is the igniter that has with the gland of the PBT resin forming that used in the past, is installed on the bearing by O-ring seals, loads gas-forming agent in cup, utilizes the fastening gas generator of aforementioned bearing.Another kind be use composition epoxy resin of the present invention bearing and electrode needle integrated molding, in cup, load gas-forming agent, utilize the fastening gas generator of bearing.Another is to use unsaturated polyester (UP) bearing and electrode needle integrated molding, loads gas-forming agent in cup, utilizes the fastening gas generator of bearing.The loadings of gas-forming agent is 1g.Use these 3 kinds of gas generators to carry out humidity test.The experimental condition of this moment is set in 85 ℃ of temperature, and humidity 85%, test period are 410 hours.In addition, from environment chambers, behind the taking-up sample, from gas generator, take out gas-forming agent, carry out the mensuration of hygroscopic capacity.The result of the test that this test is obtained is shown in table 3.
[table 3]
| The gas generator specification | Hygroscopic capacity (%) |
| Hermetically-sealed construction (prior art) with O-ring seals | 0.41 |
| Use the hermetically-sealed construction of epoxy bond | 0.16 |
| Use the hermetically-sealed construction of unsaturated polyester (UP) bonding | 0.53 |
As can be seen from Table 3, used the hermetically-sealed construction of O-ring seals in the past, and at 85 ℃, dropped into after 410 hours in 85% the ambiance, the hygroscopic capacity of gas-forming agent is 0.41% as a result, and it is 0.16% that the present invention uses the hermetically-sealed construction of composition epoxy resin bonding.And use the hermetically-sealed construction of unsaturated polyester (UP) bonding is 0.53%.The gas generator of the present invention of the hermetically-sealed construction of composition epoxy resin bonding bearing and electrode needle is used in explanation thus, and anti-hygroscopicity is more in the past than the gas generator of the hermetically-sealed construction that used O-ring seals more than 2.6 times.Also the gas generator of the present invention of the hermetically-sealed construction of composition epoxy resin bonding bearing and electrode needle is used in explanation, and anti-hygroscopicity is than the gas generator of the hermetically-sealed construction that uses composition epoxy resin bonding bearing and electrode needle more than 3.3 times.
The accompanying drawing simple declaration
Fig. 1 is the sectional view of the igniter that uses of the present invention.It is the III-III line sectional view of Fig. 2.
Fig. 2 is the sectional view of the described gas generator of embodiment of the present invention.
Fig. 3 is the figure that sees from the 2nd glass bottom branch in the gas generator of Fig. 2.
Fig. 4 is the VI-VI line sectional view of Fig. 2.
Fig. 5 is the sectional view of igniter in the past.
Fig. 6 is the sectional view of gas generator in the past.
Symbol description
The 1-gas generator
The 2-gas-forming agent
The 2nd glass of 3-
The 3a-cylindrical portion
3b-has end tube portion
The 3c-notch
The 3d-flange part
The 4-igniter
The 5-bearing
The 5a-projection
The 5b-accommodation section
The 5c-circular protrusion
The 10-ignition charge
The 1st glass of 11-
11a-leads fiery portion
The 11b-holding section
12-igniter cover
12a-leads fire hole
The 12b-flange part
The 13-gland
The 13b-large-diameter portion
The 13c-minor diameter part
The 13a-insertion section
The 13e-end difference
The 13d-extension
The 13f-portion of dividing a word with a hyphen at the end of a line
The 14-electrode needle
The 15-electrode needle
The 16-resistance heater
The 17-ignition pill
The 18-seal washer
The 19-shorting clip
21-holds the cave
22-holds the cave
The 23-inserting hole
The 24-inserting hole
Claims (23)
1. igniter, it is characterized in that it be resistance heater is arranged, through the heating of aforementioned resistance heater and burning fire medicine, the electrode needle that is connected with aforementioned resistance heater, with the gland that keeps the former electrodes pin, and sealed the igniter of the contact interface of electrode needle and gland, wherein the material of aforementioned gland is a thermosetting resin.
2. the described igniter of claim 1 is characterized in that the aforementioned hot thermosetting resin is except that unsaturated polyester (UP).
3. the described igniter of claim 1 is characterized in that the aforementioned hot thermosetting resin is a composition epoxy resin.
4. the described igniter of claim 3 is characterized in that the aforementioned epoxy resins composition comprises epoxy resin, curing agent.
5. the described igniter of claim 3 is characterized in that the aforementioned epoxy resins composition, and is overall with respect to composition epoxy resin, contains the filler of 30～95 weight %.
6. the described igniter of claim 5 is characterized in that aforementioned filler contains at least a kind in fused silica, crystalline silica, aluminium oxide and the calcium carbonate.
7. the described igniter of claim 3 is characterized in that it is in the epoxy resin at least a kind that aforementioned epoxy resins contains bisphenol-type epoxy resin, novolac-type epoxy resin, biphenyl type epoxy resin, naphthalene type epoxy resin, alicyclic epoxy resin and amine.
8. the described igniter of claim 4 is characterized in that aforementioned curing agent contains at least a kind in phenol phenolic novolac, acid anhydrides and the amine.
9. the described igniter of claim 4 is characterized in that the aforementioned epoxy resins composition contains curing accelerator.
10. the described igniter of claim 1 is characterized in that having at the electrode needle sidepiece of aforementioned gland the end difference of path.
11. gas generator, it is characterized in that it is to possess to be filled with the cup that produces the gas-forming agent of gas through burning, be configured in the igniter of this glass inboard and keep aforementioned igniter and the bearing of aforementioned cup, and aforementioned igniter has resistance heater, utilize aforementioned resistance heater heating and burning fire medicine, the electrode needle that is connected with aforementioned resistance heater, and the gas generator of the gland of maintenance former electrodes pin, wherein the material of aforementioned gland is a thermosetting resin, and aforementioned bearing has the independent inserting hole of inserting logical former electrodes pin.
12. the described gas generator of claim 11 is characterized in that each foundation part of the former electrodes pin that extends from aforementioned gland is covered by the extension with aforementioned gland integrated molding, aforementioned extension inserts aforementioned inserting hole.
13. the described gas generator of claim 11 is characterized in that having at the electrode needle sidepiece of aforementioned gland the end difference of path.
14. the described gas generator of claim 11 is characterized in that the aforementioned hot thermosetting resin is except that unsaturated polyester (UP).
15. the described gas generator of claim 11 is characterized in that the aforementioned hot thermosetting resin is a composition epoxy resin.
16. the described gas generator of claim 15 is characterized in that the aforementioned epoxy resins composition contains epoxy resin, curing agent.
17. the described gas generator of claim 15 is characterized in that the aforementioned epoxy resins composition, and is overall with respect to composition epoxy resin, contains the filler of 30～95 weight %.
18. the described gas generator of claim 17 is characterized in that aforementioned filler comprises at least a kind in fused silica, crystalline silica, aluminium oxide and the calcium carbonate.
19. the described gas generator of claim 15 is characterized in that it is in the epoxy resin at least a kind that aforementioned epoxy resins comprises bisphenol-type epoxy resin, novolac-type epoxy resin, biphenyl type epoxy resin, naphthalene type epoxy resin, alicyclic epoxy resin and amine.
20. the described gas generator of claim 16 is characterized in that aforementioned curing agent comprises at least a kind in phenol phenolic novolac, acid anhydrides and the amine.
21. the described gas generator of claim 15 is characterized in that the aforementioned epoxy resins composition contains curing accelerator.
22. the described gas generator of claim 11, the area that it is characterized in that aforementioned inserting hole be former electrodes pin sectional area greater than 1 times to being less than or equal to 10 times.
23. the described gas generator of claim 13 is characterized in that near the encapsulant that seals between pair bearing and the gland having the aforementioned end difference.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP395928/2003 | 2003-11-26 | ||
| JP2003395928 | 2003-11-26 | ||
| JP011404/2004 | 2004-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1886634A true CN1886634A (en) | 2006-12-27 |
Family
ID=37584074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200480035104 Pending CN1886634A (en) | 2003-11-26 | 2004-11-25 | Igniter and gas producing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1886634A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204756A (en) * | 2012-10-16 | 2013-07-17 | 湖北航天化学技术研究所 | High temperature-resistant solid propellant for oilfield fracturing |
| CN105270317A (en) * | 2014-07-21 | 2016-01-27 | 天合安全气囊系统有限责任公司 | Burst cap, hybrid inflator comprising a burst cap, airbag module, vehicle safety system and method of manufacturing a burst cap |
| CN109983297A (en) * | 2016-11-29 | 2019-07-05 | 株式会社大赛璐 | The igniter assembly and its manufacturing method of gas generator |
| CN113800475A (en) * | 2021-10-31 | 2021-12-17 | 中国船舶重工集团公司第七一八研究所 | Oxygen production flux core of chemical oxygen generator for civil aviation and preparation method thereof |
-
2004
- 2004-11-25 CN CN 200480035104 patent/CN1886634A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204756A (en) * | 2012-10-16 | 2013-07-17 | 湖北航天化学技术研究所 | High temperature-resistant solid propellant for oilfield fracturing |
| CN105270317A (en) * | 2014-07-21 | 2016-01-27 | 天合安全气囊系统有限责任公司 | Burst cap, hybrid inflator comprising a burst cap, airbag module, vehicle safety system and method of manufacturing a burst cap |
| CN109983297A (en) * | 2016-11-29 | 2019-07-05 | 株式会社大赛璐 | The igniter assembly and its manufacturing method of gas generator |
| CN109983297B (en) * | 2016-11-29 | 2022-03-08 | 株式会社大赛璐 | Igniter assembly of gas generator and method for manufacturing same |
| CN113800475A (en) * | 2021-10-31 | 2021-12-17 | 中国船舶重工集团公司第七一八研究所 | Oxygen production flux core of chemical oxygen generator for civil aviation and preparation method thereof |
| CN113800475B (en) * | 2021-10-31 | 2024-01-23 | 中国船舶重工集团公司第七一八研究所 | Oxygen production flux core of chemical oxygen generator for civil aviation and preparation method thereof |
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