Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7363860 | Non-explosive two component initiator Methods and apparatus for detonating explosives or igniting flammables are disclosed. According to some embodiments of the invention, initiators include an initiating component holding an exploding bridgewire (EBW) or an exploding foil initiator (EFI) and a flammabl... | 04/29/2008 |
| 7156024 | Device for warhead charges for cargo ammunition units A warhead charge device (18, 18′, 18″, 18′″) arranged to carry liquid explosive (11), and which device is for use in an ammunition cargo unit such as a missile. The device incorporates at least two confined spaces (2, 6, 9) equipped with... | 01/02/2007 |
| 6644203 | Explosive device and method of using such a device An explosive device (10) comprising: and explosive charge body (12) including an explosive charge and detonator (21); a housing (22) attached to the explosive charge body (12); and a length of electrical or non-electrical non-pyrotechnic firing line (26) ... | 11/11/2003 |
| 6453818 | Method of controlled blasting The invention of the present application provides a method of controlled blasting comprising dispersing an explosive (9) within a blasthole (1) to form a dispersed explosive having a lower average bulk density than said explosive (9) prior to dispersion a... | 09/24/2002 |
| 6318272 | Breaking or blasting or splitting of rock A method of breaking rock (18), e.g. in underground mining, includes drilling a hole in the rock mass by means of a drilling machine (20) having an articulated boom (22) and a drilling tool (24) at the end of the boom (22). After drilling, the drilling to... | 11/20/2001 |
| 6283032 | Projectile with controlled decomposition and integrated charge in the area of the effective mass A smoke-generating projectile has a decomposable effective mass, the mass including a quick-burning deception component for generating spontaneous smoke, and a slow-burning concealment component for generating persistent smoke. The projectile includes an ... | 09/04/2001 |
| 5773750 | Rock fragmentation system using gold schmidt method A rock fragmentation system using Gold Schmidt method and process for blasting using the machine are provided, wherein the blasting machine has a capacitor bank, a switch, a high voltage electric power supply, a first charge dump and a second charge dump,... | 06/30/1998 |
| 5419257 | Device for simultaneously ejecting two fluids, in particular two pyrotechnic fluids A device for simultaneously ejecting two fluids, in particular pyrotechnic fluids, intended to react on contact after ejection includes a reservoir for each fluid open to the exterior of the device through a respective nozzle. The two reservoirs comprise ... | 05/30/1995 |
| 5293821 | Delay initiator for blasting A novel initiator (blasting cap) for explosives is provided. The initiator, which may be electric or non-electric, comprises a principal tubular metal shell containing a base charge, a delay charge, a priming charge and an ignition means, wherein the base... | 03/15/1994 |
| 4945808 | Primer A primer for an explosive charge which is to be initiated by a fuse cord is sensitized by a loose charge of a high explosive, this high explosive being contained in a rigid, impermeable container which is so shaped that at least partially surrounds the fu... | 08/07/1990 |
| 4920852 | Portable, self-contained explosives system The present invention relates to a system for forming an explosive and more particularly to a system that is portable, self-contained and is capable of mixing essentially non-explosive ingredients from separate containers or separate compartments within a... | 05/01/1990 |
| 4718954 | Explosive compositions An improved explosive composition and a method for making the composition are disclosed. The explosive composition is prepared by first formulating a gel concentrate that comprises a mixture of a sensitizer, such as hexamethylenetetramine or hexamethylene... | 01/12/1988 |
| 4689185 | Priming method for rimfire cartridge A priming method for rimfire cartridges is disclosed in which a propellant solution is disposed adjacent a centrifugally located primer material in a rimfire cartridge. The solvent is then evaporated to leave a propellant film near the primer material in ... | 08/25/1987 |
| 4641581 | Dual-function storage container for prilled explosive Disclosed is a low cost bulk explosive storage container constructed in such a way that simple on-site modifications, specifically the attachment of a metal liner and the addition of a fluid will transform the carrying container into a directed energy dem... | 02/10/1987 |
| 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 |
| 4412492 | Priming composition and techniques A method of producing explosive for priming explosive devices by reacting components in situ in a device.... | 11/01/1983 |
| 4348955 | Explosive container In a blow-molded, cylindrical plastic container for explosives adapted for end-to-end coupling with like containers, an improvement is provided in the sealing of the container at the exposed explosives end. The improvement comprises a section of reduced d... | 09/14/1982 |
| 4034672 | Linear explosive An elongated tubular container filled with a liquid explosive charge is provided with a detonator at one or both ends thereof to provide a linear explosion along the length of the tubular container. The tube may be buried in the ground by a tube burying p... | 07/12/1977 |
| 4006687 | Safe detonator device A detonator device comprising an initiator located in contact with an insensitive liquid component of a two-component liquid explosive composition in a container, the container having ullage space for the subsequent addition of a second liquid component, ... | 02/08/1977 |
| 4000696 | Cartridge for two component field mixed explosive An explosive cartridge for use in an explosive column train by end to end coupling of a plurality of cartridges. Each cartridge comprises a cylindrical containing shell having an open rear end in which is a closure plug. In the pre-mix condition, the cart... | 01/04/1977 |
