[특허]Explosive neutralizer and method

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Explosive neutralizer and method

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F42B-033/00
미국특허분류(USC)	086/050
출원번호	UP-0488497 (2006-07-18)
등록번호	US-7690287 (2010-05-20)
발명자 / 주소	Maegerlein, Stephen D. Broxton, Gary L.
대리인 / 주소	Liell & McNeil
인용정보	피인용 횟수 : 5 인용 특허 : 15

초록
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An explosive device includes a firing train, an explosive charge and a shock activated neutralizer configured to disable activation of the explosive charge by the firing train. The neutralizer includes a housing and a rupturable fluid barrier configured to selectively permit mixing of disabling material constituents to interact with the firing train to disable the same. A method of neutralizing an explosive device includes rupturing the fluid barrier, at least in part by applying a shock to the explosive device, and interacting the disabling material wit...

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What is claimed is: 1. A neutralizer for a firing train of an explosive device comprising: a housing having a first housing end which includes a detonator strike zone, a second housing end and a peripheral wall extending between the first housing end and the second housing end, the housing being adapted to couple with a portion of a firing train assembly and having therein a chamber for containing a disabling material, wherein the housing further includes an internal wall defining a lead compartment for containing a lead energetic material, the lead compartment having a lead compartment opening located at the second housing end; and a rupturable fluid barrier configured to inhibit interacting of disabling material contained within the chamber with said firing train; said barrier being configured to rupture responsive to a shock on said neutralizer to permit interacting of disabling material with said firing train to disable the firing train. 2. The neutralizer of claim 1 further comprising at least one reactant vessel disposed within said housing, said at least one reactant vessel including said barrier and at least partially defining said chamber. 3. The neutralizer of claim 2 wherein said at least one reactant vessel comprises a glass ampule. 4. The neutralizer of claim 2 wherein said housing includes a first chamber and a second chamber therein, and wherein said at least one reactant vessel comprises a first and a second reactant vessel defining said first chamber and said second chamber, respectively, said first and second chambers being fluidly separated via said rupturable barrier and configured to fluidly communicate upon rupturing thereof to permit activating of said disabling material. 5. The neutralizer of claim 4 further comprising a displaceable element configured to move responsive to activation of said disabling material to mechanically inhibit said firing train. 6. The neutralizer of claim 5 wherein said displaceable element including a lead compartment covering configured to move via intrusion of activated disabling material between said lead compartment and said covering to block acting of a detonator on a lead energetic material of said firing train. 7. The neutralizer of claim 4 wherein said housing further comprises a second compartment wherein said first and second reactant vessels are disposed, and said internal wall separating said lead compartment from said second compartment and having openings therein configured to permit contacting of activated disabling material with a lead energetic material of said firing train. 8. An explosive device comprising: a firing train; an explosive charge; and a shock activated neutralizer configured to disable activation of said explosive charge, said neutralizer comprising a housing and a rupturable fluid barrier configured to selectively permit interacting of disabling material with said firing train to disable the firing train; wherein said firing train comprises a detonator, a lead energetic material and a booster charge, said shock activated neutralizer being configured to disable activation of said lead energetic material responsive to a shock on said explosive device. 9. The explosive device of claim 8 wherein said neutralizer is configured to mechanically inhibit activation of said lead energetic material by said detonator at least in part via activation of said disabling material upon rupturing of said barrier. 10. The explosive device of claim 9 wherein said neutralizer further comprises: at least one reactant vessel defining a first chamber; a second chamber fluidly separated from said first chamber via said rupturable fluid barrier; a foamable, curable material and an activator material contained one within each of said first and second chambers; and at least one displaceable element configured to move responsive to activation of said disabling material. 11. The explosive device of claim 10 wherein said foamable, curable material comprise a polyurethane material, and wherein said activator comprises water. 12. The explosive device of claim 9 wherein said neutralizer is configured to chemically disable activation of said lead energetic material by said detonator. 13. The explosive device of claim 12 wherein said neutralizer further comprises: at least one reactant vessel defining a first chamber; a second chamber fluidly separated from said first chamber via said rupturable fluid barrier; a solvent material and a solute material contained one within each of said first and second chambers; said housing having a first compartment containing said at least one reactant vessel and a second compartment containing said lead energetic material, and including means for providing fluid communication between said first and second compartments to permit contacting of said solution with said lead energetic material. 14. The explosive device of claim 13 wherein said solvent comprises water, and wherein said solute comprises sodium hydroxide. 15. A method of neutralizing an explosive device comprising the steps of: rupturing a fluid barrier in a neutralizer of the explosive device configured to inhibit interacting of a disabling material with a firing train of the explosive device, at least in part by applying a shock to the explosive device; and interacting the disabling material with the firing train of the explosive device to disable the firing train. 16. The method of claim 15 further comprising a step of activating the disabling material at least in part by providing fluid communication between a first reactant chamber and a second reactant chamber of a firing train neutralizer separated by the barrier. 17. The method of claim 16 wherein the interacting step comprises chemically inhibiting activation of a lead energetic material of the firing train by a detonator. 18. The method of claim 16 wherein the interacting step comprises mechanically inhibiting activation of a lead energetic material of the firing train by a detonator at least in part via a displaceable element of the neutralizer. 19. The method of claim 18 wherein mechanically inhibiting activation of the lead energetic material includes moving a piston from a first position at which the piston does not block acting of the detonator on the lead energetic material to a second position at which the piston blocks acting of the detonator on the lead energetic material.

이 특허에 인용된 특허 (15)

이 특허를 인용한 특허 피인용횟수: 5

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Explosive neutralizer and method

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Explosive neutralizer and method

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이 특허에 인용된 특허 (15)

이 특허를 인용한 특허 피인용횟수: 5

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