A squib for bus connection includes a communication and ignition unit which is connected via a pin to a bus line and is received within an inner cap, along with a quantity of a first explosive which does not emit corrosive gas. Furthermore, between this inner cap and an outer cap in which it is rece
A squib for bus connection includes a communication and ignition unit which is connected via a pin to a bus line and is received within an inner cap, along with a quantity of a first explosive which does not emit corrosive gas. Furthermore, between this inner cap and an outer cap in which it is received, there is charged a quantity of a second explosive which is of a different type from the first explosive, the second explosive being of a type which is used in a squib in a conventional inflator.
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What is claimed is: 1. A squib of which a plurality are connected via a common bus line to a control device, and which is adapted for bus connection so as to be capable of selective operation according to electrical energy and an electrical signal supplied from said control device, the squib compri
What is claimed is: 1. A squib of which a plurality are connected via a common bus line to a control device, and which is adapted for bus connection so as to be capable of selective operation according to electrical energy and an electrical signal supplied from said control device, the squib comprising: a communication and ignition unit, which comprises a communication and ignition circuit which is electrically connected with said bus line, an integrated circuit board on which said communication and ignition circuit and an ignition element are provided, and said ignition element being connected to said communication and ignition circuit, the communication and ignition unit being received in an inner cap along with a quantity of a first explosive; and a quantity of a second explosive, which is of a different type from said first explosive, disposed between said inner cap and an outer cap which receives said inner cap, wherein the inner cap and outer cap are cylindrical bodies each having a closed end, the communication and ignition unit is sized so as to abut and confront an inner circumferential surface of the inner cap, the inner cap is sized such that an outer circumferential surface of the inner cap abuts and confronts an inner circumferential surface of the outer cap, and the respective circumferential surfaces of the inner and outer caps are confronting along an axial distance the entire integrated circuit board is housed within both of the outer cap and inner cap so as to be encircled by the confronting surfaces of the outer cap and the inner cap. 2. A squib as described in claim 1, wherein, said inner and outer caps are connected coaxially together, and said second explosive is pressure packed between an inner surface of the closed end of said outer cap and an outer surface of the closed end of said inner cap. 3. A squib as described in claim 1, wherein said first explosive is pressure packed between said integrated circuit board and an end surface of said inner cap. 4. A squib as described in claim 1, wherein said ignition element directly contacts said first explosive. 5. A squib as described in claim 1, wherein said inner cap shields said communication and ignition unit from contact with said second explosive and from any gas emitted by said second explosive over time. 6. A squib as described in claim 1, wherein said first explosive is disposed in engagement with said integrated circuit board. 7. A squib as described in claim 1, wherein said ignition element directly contacts said first explosive. 8. A squib of which a plurality are connected via a common bus line to a control device, and which is adapted for bus connection so as to be capable of selective operation according to electrical energy and an electrical signal supplied from said control device, the squib comprising: a communication and ignition unit sub-assembly, which comprises a communication and ignition circuit which is electrically connected with said bus line, an integrated circuit board on which said communication and ignition circuit and said ignition element are provided, an ignition element which is connected to a first end of said communication and ignition circuit, and a header which is connected to a second end of the communication and ignition circuit, the second end opposed to the first end; a cap unit sub-assembly, which comprises an inner cap and an outer cap, the inner and outer caps each having a closed end, the inner cap positioned in a nested manner within the outer cap so that the closed end of the inner cap is spaced apart from the closed end of the outer cap so as to form a chamber between the respective closed ends of the inner and outer caps, the inner cap being sized to fill the interior of the outer cap, the communication and ignition unit sub-assembly being received in the cap unit sub-assembly within an interior space of the inner cap along with a quantity of a first explosive; and a quantity of a second explosive, which is of a different type from said first explosive, is charged in the chamber, which is cut off, with regard to gas flow, from said interior space of the inner cap by the inner cap closed end. 9. A squib as described in claim 8, wherein said first explosive is an explosive which does not emit any corrosive gas. 10. A squib as described in claim 8, wherein said first explosive is lead trinitroresorcinate. 11. A squib as described in claim 8, wherein said first explosive is disposed in engagement with said integrated circuit board. 12. A squib as described in claim 8, wherein said ignition element directly contacts said first explosive.
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이 특허에 인용된 특허 (17)
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