Unit of ammunition with one or more warhead casings
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F42B-012/20
F42B-012/32
출원번호
US-0312510
(2001-06-20)
우선권정보
SE-0024885 (2000-07-03)
국제출원번호
PCT//SE01/01403
(2003-07-11)
§371/§102 date
20030711
(20030711)
국제공개번호
WO02//03016
(2002-01-10)
발명자
/ 주소
Ronn, Torsten
Johansson, Nils
출원인 / 주소
Bofors Defence AB
대리인 / 주소
Connolly Bove Lodge &
인용정보
피인용 횟수 :
4인용 특허 :
23
초록▼
An ammunition device (4) comprising one or more warhead effect jackets (17), each jacket containing warhead effect elements (18). The ammunition device also incorporates one or more explosive compositions arranged inside each warhead effect jacket that in or close to the target is/are triggerable by
An ammunition device (4) comprising one or more warhead effect jackets (17), each jacket containing warhead effect elements (18). The ammunition device also incorporates one or more explosive compositions arranged inside each warhead effect jacket that in or close to the target is/are triggerable by means of a triggering device. One or more separation charges is/are arranged adjacent to each warhead effect jacket that when actuated cause removel of one or more said warhead effect jacket(s). The actuation devices incorporate or interact with a programming device that operates with a first mode that can be an initial mode in which the actuation devices remain non-actuated, and a second mode in which the programming device actuates the actuation devices for initiating the separation charges, thereby causing ejection of each warhead effect jacket concerned.
대표청구항▼
1. An ammunition device comprising:at least one warhead effect jacket comprising warhead effect elements in the form of pellets or fragmentation elements;at least one explosive composition arranged inside of said at least one warhead effect jacket;at least one triggering device arranged to actuate s
1. An ammunition device comprising:at least one warhead effect jacket comprising warhead effect elements in the form of pellets or fragmentation elements;at least one explosive composition arranged inside of said at least one warhead effect jacket;at least one triggering device arranged to actuate said at least one explosive composition when said ammunition device is close to a target;at least one separation charge; andat least one actuation device for actuating said at least one separation charge, wherein said at least one separation charge is arranged adjacent to said at least one warhead effect jacket and is arranged to cause removal of said at least one warhead effect jacket when actuated by said at least one actuation device, wherein said actuation device is arranged to interact with a programming device to enable operation in a first mode in which said at least one actuation device remains non-actuated and a second mode in which the at least one actuation device is actuated in order to trigger the at least one separation charge for ejection of the at least one warhead effect jacket, and wherein said ammunition device provides different selectable ammunition effects through ejection or retention of said at least one warhead effect jacket.2. An ammunition device as claimed in claim 1 wherein said at least one warhead effect jacket is fabricated with incipient fractures or weakened surfaces or parts via which said at least one warhead effect jacket ruptures when said at least one separation charge is actuated.3. An ammunition device as claimed in claim 2 wherein the at least one warhead effect jacket has an essentially circular cross-section, that the explosive composition is designed with a cross-section having the shape of a polygon in which corners of the polygon are arranged adjacent to an inner surface of said at least one warhead effect jacket, and wherein sector-shaped spaces between an outside of the at least one explosive composition and the inner surface of the at least one warhead effect jacket contain the at least one separation charge.4. An ammunition device as claimed in claim 2 wherein said at least one warhead effect jacket has a cross-section in the form of a polygon, wherein the at least one explosive composition is designed wit an essentially circular cross-section, and wherein a space is arranged between an outer surface of the at least one explosive composition and the inner surface of the at least one warhead effect jacket to house the at least one separation charges.5. An ammunition device as claimed in claim 1 wherein said at least one warhead effect jacket is designed with an essentially circular cross-section, wherein the at least one explosive composition is designed with a cross-section having the shape of a polygon in which corners of the polygon are arranged adjacent to an inner surface of said at least one warhead effect jacket, and wherein sector-shaped spaces between an outside of the at least one explosive composition and the inner surface of the at least one waitead effect jacket contain the at least one separation charge.6. An ammunition device as claimed in claim 5 wherein the corners of die polygon are located at said incipient fractures or weakened surfaces or parts.7. An ammunition device as claimed in claim 1 wherein said at least one warhead effect jacket has a cross-section in the form of a polygon, wherein the at least one explosive composition is designed with an essentially circular cross-section, and wherein a space is arranged between an outer surface of the at least one explosive composition arid the inner surface of the at least one warhead effect jacket to house the at least one separation charge.8. An ammunition device as claimed in claim 7 wherein said at least one warhead effect jacket has a cross-section in the form of a hexagon, and wherein said incipient fractures or weakened surfaces or parts are located at corners of the hexagon.9. An ammunition device as claimed in claim 1 wherein the at least one explosive composition and the at least one warhead effect jacket have concentric essentially circular cross-sections, wherein the at least one explosive composition and the at least one warhead effect jacket are arranged with an intermediate ring-shaped space, and wherein the at least one separation charge is arranged in the intermediate ring-shaped space.10. An ammunition device as claimed in claim 9 wherein wedge-shaped devices are arranged evenly distributed around a circumference of the cross-section of the at least one warhead effect jacket, and wherein, upon initiation of the at least one separation charge, said wedge-shaped devices cause or contribute to rupture of the at least one warhead effect jacket into a number of curved pieces.11. An ammunition device as claimed in claim 10 wherein each of said curved pieces extends a distance equivalent to approximately one-quarter of the circumference of the cross-section of the at least one warhead effect jacket.12. An ammunition device as claimed in claim 1 wherein the at least one explosive composition and the at least one warhead effect jacket have concentric essentially circular cross-sections, wherein an outer surface of the explosive composition essentially borders on an inner surface of the at least one warhead effect jacket, and where the at least one separation charge is arranged in the at least one warhead effect jacket.13. An ammunition device as claimed in claim 12 wherein the at least one separation charge is evenly distributed in the cross-sections of the at least one warhead effect jacket and the at least one explosive composition.14. An ammunition device as claimed in claim 1 wherein the at least one warhead effect jacket has a polygonal cross-section and the at least one explosive composition has an essentially circular cross-section, wherein the at least one separation charge is arranged at corners of the polygon or the at least one separation charge has a cross-section of a wafer shape and extends between corners of the polygon, and wherein the polygon includes incipient fractures or is fabricated with weakened surfaces or parts to facilitate rupture of the at least one warhead effect jacket.15. An ammunition device as claimed in claim 1 wherein only parts of the at least one warhead effect jacket are removable prior to triggering of the ammunition device to enable different warhead effects in different sectors and directions from the ammunition device when the ammunition device is triggered.16. An ammunition device as claimed in claim 15 wherein the at least one separation charge is a tubular separation charge.17. An ammunition device as claimed in claim 1 wherein said at least one warhead effect jacket comprises a plurality of warhead effect jackets arranged concentrically with each other, wherein the at least one separation charge comprises a plurality of separation charges, and wherein each of said separation charges is dedicated to one of said warhead effect jackets.18. An ammunition device as claimed in claim 17 wherein the device is triggerable with all of said warhead effect jackets in place, whereby a warhead effect is available to provide effect at a larger radial stand-off distance using large fragmentation elements combined with effect over a shorter radial stand-off distance using small fragmentation elements that can also provide greater fragment density per unit area.19. An ammunition device as claimed in claim 18 wherein the warhead effect jackets are selectively removable before the device is triggered whereby a warhead effect provided by the device is dependent on whether a warhead effect jacket having large or small fragmentation elements is removed prior to triggering of the device.20. An ammunition device as claimed in claim 1 wherein the programming device is arranged on the ground or on board a weapon platform adapted to carry the ammunition device.21. An ammunition device comprising:at least one warhead effect jacket, wherein said at least one warhead effect jacket is divided into sections around a periphery of the at least one warhead effect jacket, and wherein said sections comprise warhead effect elements in the form of pellets or fragmentation elements;at least one explosive composition arranged inside of said at least one warhead effect jacket;at least one triggering device arranged to actuate said at least one explosive composition when said ammunition device is close to a target;a plurality of separation charges, wherein one or more of the separation charges are allocated to each of the sections; anda plurality of actuation devices, wherein each of said actuation deviceh is arranged to actuate one of said separation charges, wherein each of said separation charges is arranged to cause removal of one of said sections when actuated by one of said actuation devices, wherein each of said actuation devices is arranged to interact with a programming device to enable independent operation of each of said actuation devices in a first, non-actuated mode and a second, actuated mode in which one or more of said separation charges are triggered for ejection of one of said sections, and wherein said at least one warhead effect jacket provides different selectable ammunition effects through ejection or retention of one or more of said sections.
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이 특허에 인용된 특허 (23)
Korr Abraham L. (Philadelphia PA) Walker Evan Harris (Aberdeen MD) Dickey Charles M. (Huntingdon Valley PA) Bushey Bransby W. (Philadelpia PA), Ammunition.
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