"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 4712481 | Additive sealing sleeve for a propellent charge for large-calibered ammunition fired from barreled weapons An additive sealing or packing sleeve for a propellent charge employed for large-calibered ammunition which is fired from a barrelled weapon or launch tube, which is glued into a shell or cartridge casing. The sleeve consists of a fabric constituting a su... | 12/15/1987 |
| 4700628 | Smoke grenade A smoke grenade comprising a launching device (1), an instantaneous smoke device (2) and an IR-smoke generator (3) is provided with a casing (4) which can be deformed to guiding/supporting fins (4').... | 10/20/1987 |
| 4691638 | Cased telescoped ammunition In cased telescoped ammunition the improvement which comprises an arrangement for securing the cartridge casing to the end caps so as to enable and limit axial movement therebetween.... | 09/08/1987 |
| 4681038 | Ammunition cartridge case An ammunition round cartridge case having a stress riser in the form of at least one elongated recess adapted for preserving the seal of ignition gases within the cartridge case during initial stages of ignition and also adapted for allowing a splitting o... | 07/21/1987 |
| 4646643 | Cartridge assembly for a projectable load Unitary cartridge of plastic material for discharging a pyrotechnic mixture, smoke flare, chaff round, and the like is disclosed. A slidable piston is contained within a hollow casing forming the cartridge to engage with a portion of the casing to provide... | 03/03/1987 |
| 4604954 | Telescoped ammunition with dual split cartridge case A telescoped ammunition round has a projectile positioned in the axial cavity of a propellant charge. A generally tubular casing surrounding the propellant charge has two longitudinal splits dividing the casing into two substantially identical halves whic... | 08/12/1986 |
| 4593622 | Industrial cartridge with separated deflagrating components An industrial cartridge has a case that contains a propellant charge of at least two successively arranged propellant charge powders deflagrating at differing speeds. The powders are separated from each other by a gas-permeable cover extending transversel... | 06/10/1986 |
| 4572078 | Cased cartridge ammunition ignition booster A cased cartridge ammunition ignition booster includes a film of booster propellant that is case-bonded without insulation or liner to the inside wall and base of an ordinary brass, steel or plastic cartridge case and ignited by a conventional primer. Fla... | 02/25/1986 |
| 4535697 | Cartridge case and apparatus for producing the same When cartridges are introduced into a weapon there exists the danger that the conical shoulder of the cartridge case or sleeve will be deformed to an undesired degree. To avoid such disadvantage the wall of the conical shoulder is constructed to be thicke... | 08/20/1985 |
| 4494461 | Method and apparatus for forming a thixoforged copper base alloy cartridge casing A process and apparatus for forming a thin-walled, elongated member having superior strength properties from an age hardenable copper base alloy is described herein. A slug or billet of a slurry cast, age hardenable copper base alloy is formed into a semi... | 01/22/1985 |
| 4483251 | Cartridge for small arms A cartridge for use with a revolver, automatic or submachine gun which includes a casing having a substantially linear outer wall, a transition bevel at one end of the casing which terminates in an extractor groove area, the groove area is connected to a ... | 11/20/1984 |
| 4478150 | Cartridge with elastic pusher cup A gas actuated cartridge, which is smokeless, flashless and noiseless in ration, contains a novel pusher cup of elastic material, such as butyl rubber. The pusher cup is folded back within itself and contains an exterior annular flange which fits into a ... | 10/23/1984 |
| 4359925 | Process for joining a shell with a cartridge case An improved process for joining a shell having a plastic base portion to a cartridge case within a joining region. The joining region extends along a plastic base portion of said shell when it is inserted into the neck portion of the casing and has an upp... | 11/23/1982 |
| 4290365 | Shotshells The present invention provides a shotshell including a cartridge case having a metal sidewall defining an open end of the case. A charge is contained in the case and retained by an overshot plug which is a friction fit in the case. The sidewall has a thic... | 09/22/1981 |
| 4226186 | Sealed-volume cartridge A gas-generating propellant for use in combination with sealed volume teloping cartridges yields high pressure for cartridge operation and low residual pressure after cool down. The propellant formulation comprises a high percentage of condensible materi... | 10/07/1980 |
| 4202270 | Stub case obturator A method and means for obturating a stub case on the barrel wall of a firearm is disclosed having an annular bead located near the top of the stub case wall dimensioned so as to provide an annular gap between the bead and the barrel wall thereby throttlin... | 05/13/1980 |
| 4029017 | Propellant charge igniter A propellant charge igniter has an outer sleeve open at one end, an inner sleeve positioned within the outer sleeve and provided with a closed-end portion adjacent to the one end of said outer sleeve. A closed-end portion of the inner sleeve has predeterm... | 06/14/1977 |
| 4024819 | Cartridge for firearms A firearm cartridge is provided with a thin-wall tubular casing which carries a percussion element at its rear end and which exhibits a radially inwardly bent flange on its front end. A projectile is supported in the forward portion of the case by means o... | 05/24/1977 |
| 3998161 | Cartridge adapter A device for adapting a cartridge having a bottleneck casing to be fired in a standard revolver includes a cylindrical sleeve received about the bottleneck portion to provide a smooth cylindrical exterior for the cartridge. The sleeve bore includes a tape... | 12/21/1976 |
| 3987731 | Composite protective coating for combustible cartridge cases Porous combustible cartridge cases containing nitrocellulose, reinforcing bers and a resinous binder, are rendered resistant to water and oil by coating the surface with a composite coating containing an undercoating of polyvinyl alcohol and a top coating... | 10/26/1976 |
| 3968750 | Projectile-case connection Means for securing a projectile to the case thereof in a round of disintegrating practice ammunition for artillery pieces having high rates of fire, in which the shell of the projectile of synthetic material is inserted into the case by an end portion. Th... | 07/13/1976 |
| 3948178 | Propellent-charge cartridge case A propellent-charge cartridge case which comprises a cartridge-case stub which has a cartridge-case wall and includes at least one part provided with a resilient gas check which can be pressed against a barrel wall. The cartridge-case wall is formed with ... | 04/06/1976 |