Abstract: Technology for in situ remediation of undetonated explosive material. An explosive apparatus contains an explosive material in close proximity with microorganisms. An explosive mixture capable of self remediation in the form of an explosive material is intermixed with microorganisms. The microorganisms are either mobile or temporarily deactivated by freeze drying until rehydrated and remobilized. The microorganisms are capable of metabolizing the explosive material. Examples of such microorganisms include Pseudomonas spp., Escherichia spp., Morganella spp., Rhodococcus spp., Comamonas spp., and denitrifying microorganisms. A bioremediation apparatus that contains microorganisms and prevents contact between the microorganisms and explosive material is joined with an explosive apparatus that houses a charge of explosive material.

Abstract: 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) having a first (28) and second end (32) the majority of which is stored within the housing so as to permit progressive removal from the housing on pulling the first end (28) thereof, and which is attached at the second end (32) to the detonator (21). The explosive device (10) can be used in a versatile manner for avalanche control, can allow a degree of positioning after initial deployment and provide safe operation yet is easily handleable, readily deployed and compact, and negates the hazards associated with the use of pyrotechnic delay fuze.

Abstract: An apparatus comprises a vehicle occupant protection device and a gas generating material, which, when ignited, produces gas to actuate the vehicle occupant protection device. The gas generating material comprises a cubane compound having the general formula: wherein R is selected from the group consisting of H and NO2.

Abstract: An enclosed ignition flare igniter that includes a housing and two slider assemblies. The housing includes a first portion and a second portion. The two slider assemblies are disposed within the housing; each slider assembly has an armed position and a safe position. The armed position allows conflagrant communication between an ignition device and flare grain, while the safe position does not. Each slider assembly includes an ignition portal portion, a tab portion, and a spring. The ignition portal portion and the tab portion are juxtaposed. The ignition portal portion includes an ignition portal for holding an ignition device, while the tab portion includes a spring bore for accepting the spring.

Abstract: The invention relates to gas generator comprising an outer housing made of plastic, in which a pyrotechnic propellant charge and an igniter having its own igniter housing are accommodated. The igniter housing consists at least partially of plastic and is welded with the outer housing.

Abstract: A liner for a shaped charge formed from a mixture of powdered heavy metal and a powdered metal binder. The liner is formed by compression of the mixture into a liner body. In one embodiment of the invention, the mixture comprises a range of 50 to 93 percent by weight of tungsten, and 50 to 7 percent by weight of the powdered metal binder. In a specific embodiment of the invention, graphite powder is intermixed with the powdered metal binder to act as a lubricant during formation of the shaped charge liner. The powdered metal binder can be a combination of copper powder, lead, and molybdenum.

Abstract: Disclosed herein is a rock blasting method using air bladders embedded in explosives. The rock blasting method includes the step of drilling a plurality of loading holes into a rock to predetermined depths in a predetermined arrangement. Thereafter, the loading holes are loaded with a plurality of initial explosives, a plurality of primers and a plurality of explosives in such a way that one or more air bladders are inserted into each of the loading holes and surrounded by the explosives. Thereafter, the loading holes are stemmed with stemming materials in the portions of the loading holes situated over the explosives. The primers are detonated so that the initial explosives and explosives are blown up. Hence, the loading lengths of the explosives are increased in proportion to the lengths of the air bladders so that a projection area formed on the free face of the rock is increased.

Abstract: A blasting mat assembly comprising a steel plate member having thickness capable of bearing a blasting pressure of explosives inputted to blasting hole; an elastic member which is fixedly attached along a bottom edge of the steel plate member for isolating blasting noise, blasting gas and flying material. Explosives inputted into each blasting hole of blasting region are discharged; and a weight reinforcing member which is welded to a top surface of the steel plate member in a structure of a grid frame made of steel beams.

Abstract: A munition article is to be provided with an antenna which, by virtue of a characteristic which is uniform all around, permits interference-free reception of items of satellite navigation information, even if in the manner of an artillery projectile it is fired with spin along an elongate ballistic trajectory, so that a tail antenna with a spherical characteristic does not allow the expectation of good reception factors in relation to navigation satellites which are as high as possible above the horizon. Therefore the tip (10) of the fuse tip (11) of the projectile is equipped with a dipole satellite antenna which faces in the direction of flight. Connected to the dipole (13) which is arranged concentrically with respect to the longitudinal axis (14) of the projectile are symmetrically disposed conductor portions (15) which rest with a close fit in recesses (19) in the ballistic cap (12).

Abstract: The invention relates to safety priming device for an explosive charge, notably a shaped charge, comprising a pyrotechnic igniter and at least one igniting relay placed between the igniter and an explosive load. This priming device is characterized in that the igniting relay comprises means enabling the detonation wave produced by the igniter or igniters to be re-centered along the charge axis, said means comprising a confinement block having a bore converging between an external face positioned beside the igniter or igniters and an inner face positioned beside the explosive load, said bore filled with a relay explosive, the confinement block comprising means to prevent the propagation of a shock wave axially through the confinement block between the igniter or igniters and the explosive load.

Abstract: The invention relates to a pyrotechnic gas generator comprising a gas-tight outer housing consisting of at least two parts, a first part of which being a receiving part for pyrotechnic material and a second part of which being a base part which is connected with the receiving part by welding so as to form the outer housing. One of both parts has a radially projecting, surrounding flange with an outer peripheral edge and the other part has an axially extending, rim-like projection circumferentially surrounding said peripheral edge and having an inner surface which is contacted by the peripheral edge. The welding of the first and second parts is provided at the flange.

Abstract: The present invention relates to a cartridge for smoke generation for the protection of combat vehicles, wherein the shell has the form of an integral two-chamber double can (2) including a partition wall shared by both chambers (10), the wall thickness of the partition wall (10) being greater than the wall thickness of the double can outer wall (22), and the front end of the double can (2) being closed gas-tight.

Abstract: A method and apparatus for positioning a shaped charge for destroying land mines and unexploded ordnance utilizes one or more pins secured to a shaped charge. In one embodiment, an outer body made of molded rubber has one or more flanges with holes for receiving the pins. By manipulating the legs of the pins, the shaped charge is positioned in proximity to the “target.” The tips of the pins may be forced into the surface surrounding the target, or by bending the legs of the pins to rest on the surrounding surface. A detonator, such as a blasting cap, may be secured to the shaped charge through an opening in the outer body, or through a clip attached to the shaped charge. The opening in the outer body is deformabale to accommodate various diameter detonators. The clip has a flange that the detonator is seated against to at ensure proper placement.

Abstract: A device, system and method permitting on-line explosives-based cleaning and deslagging of a fuel burning facility (31) such as a boiler, furnace, incinerator, or scrubber. A coolant, such as ordinary water, is delivered to the explosives (101) to prevent them from detonating due to the heat of the on-line facility. Thus, controlled, appropriately-timed detonation can be initiated as desired, and boiler scale and slag is removed without the need to shut down or cool down the facility.

Abstract: A propellant device of consisting of a compact charge and a firing system for pipe weapons or ballistic drives is proposed. At least one electromagnetic radiation absorbing medium, e.g. carbon black, is dispersed in the compact charge and can be activated by means of a firing system emitting electromagnetic radiation. The compact charge is thereby disintergrated in fragments through triggering of the firing system and the fragments are accelerated into the gas volume produced during burning of the compact charge. The inventive propellant device avoids the use of chemical firing as well as mechanical firing means. Moreover, fragmentation of the compact charge permits maintenance of the produced maximum pressure over a longer period of time to impart a higher muzzle velocity to an object to be accelerated, e.g. a projectile, a rocket or the like.

Abstract: An igniter system for a flare that includes a housing, a slider assembly, and a piston assembly. The housing includes two ignition portals for holding ignition pellets. The slider assembly is disposed within the housing, and includes two sliders and a spring. Each slider corresponds to an ignition portal, and the two sliders communicate with the spring. The slider assembly has an armed position and a safe position, the armed position with the sliders uncovering the ignition portals and allowing conflagrant communication between the ignition pellets and flare grain, while the safe position with the sliders covering the ignition portal and not allowing conflagrant communication between the ignition pellets and flare grain. The piston assembly communicates with the housing. The piston assembly, when activated, can cause the slider assembly to be in the armed position.

Abstract: A shaped charge apparatus having an improved liner for a shaped charge constructed from a combination of powdered metal and selected polymer material. Powdered heavy metal and polymer binder is compressively formed into a rigid shaped charge liner under very high pressure. The polymer binder may be in powdered form and or also be used to coat the powdered metal particles prior to compression. The compressed liner may also contain a relatively small percentage of other material to enhance lubrication or corrosion resistance.

Abstract: In a system for igniting detonation cord or shock tube, a plated through-hole in printed circuit board is coupled to a circuit to have high voltage and high current applied to the plated through-hole. The end of the detonation cord or shock tube is passed through the plated through-hole and formed into a knot to secure the detonation cord or shock tube in the plated through-hole. The voltage and current applied to the plated through-hole are of sufficient magnitude to explode the plated through-hole and ignite the detonation cord or shock tube.

Abstract: A disrupter has a plastic box 1 with three semi-cylindrical plastic formers 2 each with a bag 4 containing water. Sheet explosive 13 is applied to the back of the formers. Bags 4 may be filed with materials other than water, for example decontaminent e.g. sodium hypochlorite. The formers may be replaced by a single former with three recesses.

Abstract: A blasting cap initiator system has a main housing with an imperforate lower wall, parallel side walls, and front and rear walls. An L-shaped locking slot is formed centrally in one side wall with a trigger recess formed in the top wall adjacent the rear wall and a cylindrical bore extending from the rear wall through the front wall. A firing pin is mounted for reciprocal movement within the bore between a retracted orientation and an advanced orientation. The firing pin has a centrally located circumferential groove. A trigger is pivotably mounted in the trigger recesses movable between a locking orientation with a finger engageable with the groove and a raised orientation to a disengage orientation. A pair of axial coil springs between the rear wall and the cylinders independently allow the advancement of the cylinders.