A projectile launch container configured to propel one or more projectiles associated with pyrotechnic effects including a gas flow insert comprising a first face and a second face, the gas flow insert configured to be placed within the projectile launch container, the first face configured to underlie the projectiles and the second face configured to overlie a lift charge; the gas flow insert including a plurality of gas flow openings each fluidly connected to one or more gas flow channels that extend at least substantially axially to the launch container between the first and second faces, the plurality of gas flow openings on each of the first and second faces configured to control a flow of gases from an exploding lift charge entering the second face and exiting the first face; wherein the gas flow insert is configured to remain within the projectile launch container following detonation of the lift charge.
F42B 4/20 - Fireworks, i.e. pyrotechnic devices for amusement, display, illumination, or signal purposes characterised by having holder or support other than casing, e.g. whirler or spike support
F42B 4/02 - Fireworks, i.e. pyrotechnic devices for amusement, display, illumination, or signal purposes in cartridge form, i.e. shell, propellant, and primer
An aerial shell comprising at least one combustible layer of combustible material, the at least one combustible layer including an outermost combustible layer surrounding the at least one combustible layer, the outermost combustible layer configured to ignite on substantially an entire outer surface, the outermost combustible layer including a relatively higher combustion rate than the at least one combustible layer; the at least one combustible layer including an innermost combustible layer surrounding and containing at least one pyrotechnic effect and a dispersive explosive charge; the at least one pyrotechnic effect is preferentially disposed with respect to the innermost combustible layer at least one of immediately adjacent including integral with an inner surface of the innermost combustible layer and spaced away from the inner surface of the innermost combustible layer; the at least one combustible layer configured to burn substantially throughout the at least one combustible layer.
F42B 4/02 - Fireworks, i.e. pyrotechnic devices for amusement, display, illumination, or signal purposes in cartridge form, i.e. shell, propellant, and primer
F42B 4/24 - Fireworks, i.e. pyrotechnic devices for amusement, display, illumination, or signal purposes characterised by having plural successively-ignited charges
A pyrotechnic projectile including an aerial shell, the aerial shell including at least one combustible layer of material; the at least one layer surrounding and containing at least one pyrotechnic effect and a dispersive explosive charge; the at least one combustible layer including a combustible material configured to burn substantially throughout the at least one layer; and wherein the at least one combustible layer is configured to burn through a thickness at a preselected rate to thereby ignite the dispersive explosive charge.
F42B 4/00 - Fireworks, i.e. pyrotechnic devices for amusement, display, illumination, or signal purposes
F42B 4/02 - Fireworks, i.e. pyrotechnic devices for amusement, display, illumination, or signal purposes in cartridge form, i.e. shell, propellant, and primer
F42B 4/24 - Fireworks, i.e. pyrotechnic devices for amusement, display, illumination, or signal purposes characterised by having plural successively-ignited charges
A method of producing a concussion device including providing a structure including a cavity, the cavity having a top opening; providing a first energetic charge disposed in a bottom portion of the cavity; providing an elongated member having a length, a width, and a thickness, with the length being greater than both the width and the thickness of the elongated member, the elongated member removably secured to the structure within the cavity and at least partially overlying the first energetic charge.
F42B 12/42 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materialsProjectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for producing chemical or physical reactionProjectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling of illuminating type, e.g. carrying flares
F42B 12/48 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materialsProjectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for producing chemical or physical reactionProjectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling for dispensing gases, vapours, powders or chemically-reactive substances smoke-producing
F42B 33/02 - Filling cartridges, missiles, or fuzesInserting propellant or explosive charges
F42B 33/04 - Fitting or extracting primers in or from fuzes or charges
A concussion device for creating a low level of smoke and a selectively tuned low-toned sound, the device including a structure having a cavity, the cavity having a top opening; a first energetic charge disposed in a bottom portion of the cavity; and a member removably secured to the structure within the cavity and partially overlying the first energetic charge.
F42B 12/42 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materialsProjectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for producing chemical or physical reactionProjectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling of illuminating type, e.g. carrying flares
F42B 12/48 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materialsProjectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for producing chemical or physical reactionProjectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling for dispensing gases, vapours, powders or chemically-reactive substances smoke-producing
A pyrotechnic device including a combustion chamber including a wall, the combustion chamber containing combustible powder; an ignition source adapted to ignite said combustible powder within said combustion chamber; wherein the wall of the combustion chamber is adapted to burst at a predetermined pressure caused by combustion of the combustible powder; wherein the combustion chamber is disposed within a launch structure beneath a projectile and wherein a preselected amount of free space volume is disposed between said combustion chamber and said projectile.
F42B 4/22 - Fireworks, i.e. pyrotechnic devices for amusement, display, illumination, or signal purposes characterised by having means to separate an article or charge from casing without destroying casing
A pyrotechnic device including a combustion chamber including a wall, the combustion chamber containing combustible powder; an ignition source adapted to ignite said combustible powder within said combustion chamber; wherein the wall of the combustion chamber is adapted to burst at a predetermined pressure caused by combustion of the combustible powder; wherein the combustion chamber is disposed within a launch structure beneath a projectile and wherein a preselected amount of free space volume is disposed between said combustion chamber and said projectile.
F42B 4/24 - Fireworks, i.e. pyrotechnic devices for amusement, display, illumination, or signal purposes characterised by having plural successively-ignited charges
