The invention provides a short-range, self-propelled, non-fragmenting breaching device to breach a wide variety of doors and barricades with high efficiency, high gunner safety and low collateral damage. The invention also provides a method of preparing the breaching device and a method of breaching
The invention provides a short-range, self-propelled, non-fragmenting breaching device to breach a wide variety of doors and barricades with high efficiency, high gunner safety and low collateral damage. The invention also provides a method of preparing the breaching device and a method of breaching a target using the breaching device.
대표청구항▼
1. A short-range, self-propelled, non-fragmenting breaching device comprising: a high-density, composite housing containing an explosive charge that is greater than about 50 grams,a nose fuze assembly comprising a detonator disposed to initiate the explosive charge that arms in less than about 10 me
1. A short-range, self-propelled, non-fragmenting breaching device comprising: a high-density, composite housing containing an explosive charge that is greater than about 50 grams,a nose fuze assembly comprising a detonator disposed to initiate the explosive charge that arms in less than about 10 meters, anda cartridge case assembly comprising a propelling charge and a primer disposed to ignite the propelling charge. 2. The breaching device according to claim 1, wherein the nose fuze assembly is point-initiating. 3. The breaching device according to claim 1, wherein the explosive charge composition is selected from a family of insensitive explosive fills. 4. The breaching device according to claim 1, wherein the weight of the explosive charge is in a range of about 50 grams to about 300 grams. 5. The breaching device according to claim 4, wherein the weight of the explosive charge is in a range of about 50 grams to about 150 grams. 6. The breaching device according to claim 5, wherein the weight of the explosive charge is about 150 grams. 7. The breaching device according to claim 1, further comprising a proximity sensing fuze integrated into the breaching device. 8. The breaching device according to claim 1, wherein the breaching device is a close-quarter offensive grenade with minimum fragments to reduce collateral damage. 9. A method of preparing the breaching device of claim 1, comprising the steps of (a) filling a housing with an explosive charge;(b) assembling the cartridge case assembly to the aft end of the housing; and(c) assembling a nose fuze assembly to the forward end of the housing; whereina high-density, composite housing contains an explosive charge that is greater than about 50 grams,a nose fuze assembly comprises a detonator disposed to initiate the explosive charge that arms in less than about 10 meters, anda cartridge case assembly comprises a propelling charge and a primer disposed to ignite the propelling charge. 10. A method of breaching a target using the breaching device of claim 1, fired from a weapon launcher comprising the steps of loading and launching the breaching device to breach the target of doors and other barricades. 11. A short-range, self-propelled, non-fragmenting, door-breaching 40 mm grenade comprising: a high-density, composite housing containing an explosive charge that is greater than about 50 grams,a nose fuze assembly comprising a detonator disposed to initiate the explosive charge that arms in less than about 10 meters, anda cartridge case assembly comprising a propelling charge and a primer disposed to ignite the propelling charge. 12. The 40 mm grenade according to claim 11, wherein the nose fuze assembly is point-initiating. 13. The 40 mm grenade according to claim 11, wherein the explosive charge composition is selected from a family of insensitive explosives. 14. The 40 mm grenade according to claim 11, wherein the weight of the explosive charge is in a range of about 50 grams to about 300 grams. 15. The 40 mm grenade according to claim 14, wherein the weight of the explosive charge is in a range of about 50 grams to about 150 grams. 16. The 40 mm grenade according to claim 15, wherein the weight of the explosive charge is about 150 grams. 17. The 40 mm grenade according to claim 11, further comprising a proximity sensing fuze integrated into the grenade. 18. The 40 mm grenade according to claim 11, wherein the grenade is a close-quarter offensive grenade with minimum fragments to reduce collateral damage. 19. A method of preparing the 40 mm grenade of claim 11, comprising the steps of (a) filling a housing with an explosive charge;(b) assembling the cartridge case assembly to the aft end of the housing; and(c) assembling a nose fuze assembly to the forward end of the housing; whereina high-density, composite housing contains an explosive charge that is greater than about 50 grams,a nose fuze assembly comprises a detonator disposed to initiate the explosive charge that arms in less than about 10 meters, anda cartridge case assembly comprises a propelling charge and a primer disposed to ignite the propelling charge. 20. A method of breaching a target using the 40 mm grenade of claim 11, fired from a low-velocity, 40 mm grenade launcher, comprising the steps of loading and launching the grenade to breach the target of doors and other barricades. 21. The breaching device according to claim 1, wherein the nose fuze assembly is a proximity sensing fuze integrated into the breaching device. 22. The 40 mm grenade according to claim 11, wherein the nose fuze assembly is a proximity sensing fuze integrated into the grenade.
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