This disclosure relates to cartridges, including shotshell cartridges, for launching multiplex projectile loads that contain different sizes or types of projectiles, and methods of loading the cartridges. In one aspect, for example, the present cartridges can contain an obturating component adjacent
This disclosure relates to cartridges, including shotshell cartridges, for launching multiplex projectile loads that contain different sizes or types of projectiles, and methods of loading the cartridges. In one aspect, for example, the present cartridges can contain an obturating component adjacent the cartridge propellant, a first payload adjacent the obturating component, a separating component adjacent the first payload, and a second payload adjacent the separating component. Shotshells of this configuration in which the first (aft) payload comprises birdshot and the second (forward) payload comprises buckshot are particularly useful.
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1. A multiplex cartridge comprising: a) a cartridge case having a fore end and an aft end, the cartridge case comprising a primer situated at the aft end;b) a propellant adjacent the primer;c) an obturating component adjacent the propellant and a first payload adjacent the obturating component, wher
1. A multiplex cartridge comprising: a) a cartridge case having a fore end and an aft end, the cartridge case comprising a primer situated at the aft end;b) a propellant adjacent the primer;c) an obturating component adjacent the propellant and a first payload adjacent the obturating component, wherein the obturating component comprises a pre-formed gas seal having a deformable skirt and a non-deformable body; andd) a separating component adjacent the first payload and a second payload adjacent the separating component;wherein the first payload and the second payload comprise projectiles of different sizes. 2. A multiplex cartridge according to claim 1, wherein the obturating component and the separating component are identical pre-formed gas seals. 3. A multiplex cartridge according to claim 1, wherein the pre-formed gas seal has a length-to-width ratio of from about 1 to about 1.4. 4. A multiplex cartridge according to claim 1, wherein the first payload and the second payload comprise projectiles of different composition, hardness, shape, or a combination thereof. 5. A multiplex cartridge according to claim 1, wherein the first payload projectile is smaller than the second payload projectile. 6. A multiplex cartridge according to claim 1, wherein the first payload comprises birdshot and the second payload comprises buckshot. 7. A multiplex cartridge according to claim 1, further comprising a second separating component adjacent the second payload and a third payload adjacent the second separating component. 8. A multiplex cartridge according to claim 1, wherein the cartridge is a .410 gauge cartridge. 9. A multiplex cartridge according to claim 1, wherein the cartridge is a .410 gauge cartridge and the pre-formed gas seal has a length-to-width ratio from about 1 to about 1.4. 10. A multiplex cartridge according to claim 1, wherein the cartridge is a .410 gauge cartridge, the first payload comprises birdshot, and the second payload comprises buckshot. 11. A method of loading a multiplex cartridge comprising: a) providing a cartridge case having a fore end and an aft end, the cartridge case comprising a primer situated at the aft end;b) loading a propellant adjacent the primer;c) loading an obturating component adjacent the propellant and a first payload adjacent the obturating component, wherein the obturating component comprises a pre-formed gas seal having a deformable skirt and a non-deformable body; andd) loading a separating component adjacent the first payload and a second payload adjacent the separating component;wherein the first payload and the second payload comprise projectiles of different sizes. 12. A method of loading a multiplex cartridge according to claim 11, wherein the obturating component and the separating component are identical pre-formed gas seals. 13. A method of loading a multiplex cartridge according to claim 11, wherein the pre-formed gas seal has a length-to-width ratio of from about 1 to about 1.4. 14. A method of loading a multiplex cartridge according to claim 11, wherein the first payload and the second payload comprise projectiles of different composition, hardness, shape, or a combination thereof. 15. A method of loading a multiplex cartridge according to claim 11, wherein the cartridge is a .410 gauge cartridge and the pre-formed gas seal has a length-to-width ratio from about 1 to about 1.4. 16. A method of loading a multiplex cartridge according to claim 11, wherein the cartridge is a .410 gauge cartridge, the first payload comprises birdshot, and the second payload comprises buckshot. 17. A multiplex cartridge comprising: a) a cartridge case having a fore end and an aft end, the cartridge case comprising a primer situated at the aft end;b) a propellant adjacent the primer;c) an obturating component adjacent the propellant and a first payload adjacent the obturating component;d) a first separating component adjacent the first payload and a second payload adjacent the first separating component; ande) optionally, a second separating component adjacent the second payload and a third payload adjacent the second separating component; wherein the obturating component comprises a pre-formed gas seal having a deformable skirt and a non-deformable body and a length-to-width ratio of from about 1 to about 1.4. 18. A multiplex cartridge according to claim 1, wherein the axial length of the pre-formed gas seal is from about 45% to about 145% of its width. 19. A method of loading a multiplex cartridge according to claim 11, wherein the axial length of the pre-formed gas seal is from about 45% to about 145% of its width.
Janay Michael R. (12350 Barbee Rd. Bristow VA 22013) Reuschling Richard R. (P.O. Box 1121 Manassas VA 22110), Multiple projectile cartridge for handguns.
Edward J. Vasel ; Scott C. Nunan ; Gregory A. Niederhaus ; Peter G. Coakley, Non-lethal projectile for delivering an inhibiting substance to a living target.
Briere Paul (Quebec CAX) St-Onge Michel (Quebec CAX) Roy Andre (Quebec CAX) Paradis Bruno (Quebec CAX) Legare Louis (Quebec CAX), XDM pyrophoric countermeasure flare.
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