[특허]High-pressure fixed munition for low-pressure launching system

Engel, John Whitworth

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특허 상세정보

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High-pressure fixed munition for low-pressure launching system

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F42B-005/36 F42B-005/03
미국특허분류(USC)	102/452; 042/105
출원번호	UP-0316188 (2008-12-10)
등록번호	US-7690310 (2010-05-20)
발명자 / 주소	Engel, John Whitworth Dockery, Kevin Dexter Luchini, Christopher
출원인 / 주소	Engel, John Whitworth
대리인 / 주소	Simmons, David O.
인용정보	피인용 횟수 : 9 인용 특허 : 9

초록
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A high-pressure fixed munition for a low-pressure launching system having a cylindrical body with a centrally located bore is provided. The bore of the munition has a reduced diameter on the charge end in which a primer charge is positioned. The bore is filled above the primer charge with a propellant and above the propellant with a payload. The payload may include multiple buckshot pellets, frangible buckshot pellets, tear gas, multiple slugs, frangible slugs, paint balls, rubber pellets, bean bags, or the like. The munition may also include a pressure ...

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What is claimed is: 1. A fixed munition for use in a barrel of a low-pressure launching unit, the fixed munition comprising: a cylindrical body having a centrally located bore, a charge end and a discharge end; said bore having a reduced diameter on said charge end thereby defining a ledge portion within said bore, wherein a length of said bore extending from the ledge portion to the discharge end or approximately to the discharge end has a substantially constant diameter; a primer charge positioned in said reduced diameter of said body on said charge end; said bore being filled above said primer charge with a propellant and being filled above said propellant with a payload; and means for uniquely identifying said payload contained in said body; wherein said body having a construction configured to withstand high pressure developed within said bore thereof that exceeds an allowable working pressure of the barrel of the low-pressure launching unit and is configured such that said high pressure developed within said bore thereof that exceeds the allowable working pressure of the barrel of the low-pressure launching unit is not exposed to an inner bore of the barrel of the low-pressure launching unit whereby said body of the fixed munition withstands said high pressure thereby acting as the barrel of the low-pressure launching unit, wherein the allowable working pressure does not exceed approximately 3000 pounds per square inch, and wherein said high pressure that exceeds the allowable working pressure of the barrel of the low-pressure launching unit is between approximately 12,000 pounds per square inch and approximately 15,000 pounds per square inch. 2. A fixed munition according to claim 1 wherein an entire portion of said body is unitarily constructed from a single material composition. 3. A fixed munition according to claim 1 wherein the allowable working pressure of the barrel of said low-pressure launching unit is approximately 3000 pounds per square inch. 4. A fixed munition according to claim 1 wherein said bore has a reduced diameter along the inner surface toward said discharge end whereby the shot pattern of said payload discharges from said discharge end in a desired overall pattern. 5. A fixed munition according to claim 1 wherein said payload is selected from the group consisting essentially of: multiple buckshot pellets, frangible buckshot pellets, tear gas, multiple slugs, frangible slugs, paint balls, rubber pellets, flechettes and bean bags. 6. A fixed munition according to claim 1 that includes a wad container inside said bore for holding said payload. 7. A fixed munition according to claim 1 that includes a foam material on top of said payload for keeping material out of said bore. 8. A fixed munition according to claim 1 wherein said body is constructed of a metal material. 9. A fixed munition according to claim 8 wherein the metal material comprises aluminum. 10. A fixed munition according to claim 1 wherein said body is constructed of a combination of a polymeric material and a metal material. 11. A fixed munition according to claim 10 wherein said polymeric material comprises thermoplastic nylon. 12. A fixed munition according to claim 11 wherein said polymeric material comprises glass filled nylon. 13. A fixed munition according to claim 1 further comprising a region having an enlarged diameter proximate to said exit end of said cylinder and having an enlarged diameter proximate to said charge end whereby said munition is centered within the bore of the launching unit. 14. A fixed munition according to claim 1 further comprising a blast disc positioned between said propellant and said payload. 15. A fixed munition for use in a low-pressure launching unit, the fixed munition comprising: a cylindrical body having a charge end, a discharge end and a central through bore; said cylindrical body having a bore of smaller diameter than said through bore and being centrally positioned in said charge end whereby said smaller diameter bore defines a ledge portion within said bore, wherein said through bore has a first substantially constant diameter along its entire length or approximately its entire length and wherein said smaller diameter bore has a second substantially constant diameter along its entire length or along approximately its entire length; a primer positioned in said smaller diameter bore on said charge end; a propellant above the primer; a payload above said propellant; at least one of at least one raised ridge about the circumference of said body for purposes of uniquely identifying said payload contained in said body and a specific color of material provided on said body for purposes of uniquely identifying said payload contained in said body; and said cylindrical body having a construction configured to withstand high pressure developed within said bore thereof that exceeds an allowable working pressure of a barrel of the low-pressure launching unit and is configured such that said high pressure developed within said bore thereof that exceeds the allowable working pressure of the barrel of the low-pressure launching unit is not exposed to an inner bore of the barrel of the low-pressure launching unit whereby said body of the fixed munition withstands said high pressure thereby acting as the barrel of the low-pressure launching unit, wherein the allowable working pressure of the barrel of said low-pressure launching unit is approximately 3000 pounds per square inch and wherein said high pressure that exceeds the allowable barrel working pressure of the low-pressure launching unit is 12,000 pounds per square inch to 15,000 pounds per square inch. 16. A fixed munition according to claim 15 wherein said body is constructed of a combination of a polymeric material and a metal material. 17. A reusable fixed munition for use in a barrel of a low-pressure launching unit, the reusable fixed munition comprising: a cylindrical body having a centrally located bore, a charge end and a discharge end; said bore having a reduced diameter on said charge end; a primer charge positioned in said reduced diameter of said body on said charge end; said bore being filled above said primer charge with a propellant and being filled above said propellant with a payload; a foam material on top of said payload for keeping material out of said bore; a charge end step portion adjacent the primer charge; a discharge end step portion adjacent the foam material; at least one raised ridge about the circumference of said body for purposes of uniquely identifying said payload contained in said body; and said body being constructed to contain high pressure within said bore of approximately 12,000-15,000 pounds per square inch and whereby the fixed munition retains said high pressure thereby acting as the barrel of the low-pressure launching unit. 18. A reusable fixed munition according to claim 17 wherein said body is constructed of a combination of a polymeric material and a metal material.

이 특허에 인용된 특허 (9)

이 특허를 인용한 특허 피인용횟수: 9

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High-pressure fixed munition for low-pressure launching system

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이 특허에 인용된 특허 (9)

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High-pressure fixed munition for low-pressure launching system

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이 특허에 인용된 특허 (9)

이 특허를 인용한 특허 피인용횟수: 9

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