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Class 102/701 - CHARGE WAVE FORMING


Subclass of Class 102 - Ammunition and explosives
Definition: A charge is shaped and/or has material added so
No. of patents: 51
Last issue date: 01/01/2002


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NumberTitleIssue Date
6334394Propellant charge arrangement for barrel-weapons or ballistic drives
A propellant charge arrangement for barrel-weapons or ballistic drives comprises a conventional core charge having an ignition system and a consolidated propellant surrounding the core charge and having its own high electrical energy ignition system which...
01/01/2002
6220166Apparatus and method for producing fragment-free openings
An apparatus and method for explosively penetrating hardened containers such as steel drums without producing metal fragmentation is disclosed. The apparatus can be used singularly or in combination with water disrupters and other disablement tools. The a...
04/24/2001
6131518System for enhancing target damage by water jet impact
Different compositions of layers forming a non-homogeneous explosive charge are selected so as to produce in response to underwater detonation of s explosive charge a gas bubble having a corresponding internal density distribution of explosion products ...
10/17/2000
5565644Shaped charge with wave shaping lens
An improved shaped charge for generating a jet. A lens shaped waveshaper is positioned within the explosive material of a shaped charge to modify the shape of the divergent detonation wave into a planar wave or a converging wave. The waveshaper is formed ...
10/15/1996
5505136Core-generating charge with means for correcting entrainment rotation effects
The invention relates to warheads including a core-generating charge and rotating about an axis which is not the charge axis. In front of the coating of the charge is positioned a wedge with a straight or curved triangular cross section, for slowing down ...
04/09/1996
5450794Method for improving the performance of underwater explosive warheads
A solid explosive charge is provided with plural detonators on its outer surface at locations from which divergent shock waves simultaneously emerge for movement inwardly of the explosive body. Such shock waves form an uninterrupted wave front enclosing a...
09/19/1995
5383405Explosive lines
An explosive line including a pliable impervious outer casing and a filling of explosive material within the casing. An outer surface of the casing has a plurality of generally flat faces which are spaced about the explosive line so as to provide an outer...
01/24/1995
5331896Process for visualization of a detonation wave
Steps of a process for visualization of a detonation wave involve examini measuring, and confirming a fuel-air explosion by using a ground-based fuel bottle oriented horizontally whereby the explosive dissemination creates a fuel-air cloud with its diame...
07/26/1994
5322020Shaped charge
A high performance shaped charge for piercing high strength steel has a symmetry of revolution about an axis; a priming system constituted by a punctiform initiating source for producing a detonation wave in a block of donor explosive, and a cavity positi...
06/21/1994
5311818Self limiting explosive logic network
An explosive panel, in which detonation is limited to a predetermined area bout any point in the panel at which detonation is initiated, consisting of an array of identical interconnected explosive tile assemblies, each including an explosive tile, a perip...
05/17/1994
5311819Explosive logic network
An explosive logic network, including a first explosive path which is crod by second explosive paths such at a detonation propagating along the second path in either direction would cut and open a first end of the first path, and will be propagated at an...
05/17/1994
5233929Booster explosive rings
An explosive device has a main charge explosive, and a booster explosive ring with main charge explosive filling the space in the center of the booster ring. When the booster explosive is set off, explosive shock waves converge on the space in the center ...
08/10/1993
5221810Embedded can booster
In an explosive device having a main charge explosive, a booster explosive mbedded in the main charge explosive, and a detonator, a can or plate is embedded in the main charge explosive and provides a high impedance surface which is shaped and oriented so ...
06/22/1993
5182418Aimable warhead
An aimable warhead in which a plurality of detonators is disposed about the eriphery of an explosive charge with a proximity selector means provided for sensing the location of a target in relation to the warhead and thereafter selectively initiating one o...
01/26/1993
5170004Hydraulic severance shaped explosive
An explosive device which has a retainer with a groove, that houses a charge adapted to produce a shock wave upon detonation. The retainer is attached to a target such as an airplane canopy, so that the charge is spaced from the target a predetermined dis...
12/08/1992
5159152Pyrotechnic device for producing material jets at very high speeds and multiple perforation installation
The invention makes it possible to produce a large number of jets of material at very high speeds from different surfaces. The device essentially comprises a detonator initiating an explosive charge by causing a detonation shock wave, which leaves the exp...
10/27/1992
5050503Selectively aimable warhead initiation system
A system for aiming a selectively aimable warhead (SAW) at a target by exsively deforming the warhead into a shape desirable for directionality. Twenty-four explosive forming charges are located around the circumference of the warhead and run the entire ...
09/24/1991
5044280Linear hollow charge devices
The device (10) consists of a bar (12) of high explosive having a planisymmetrical groove (20) along one side lined with a hollow charge liner (28). A pair of backing charges (34, 36) connected by a bridging charge (42) are disposed along the opposite sid...
09/03/1991
5036771Linear cutting charge and kit-of-parts for making same
The invention provides a kit-of-parts for assembling to form a linear cutting charge. The kit-of-parts comprises a plurality of elongate planar members (1), connecting means (3) for connecting the planar members (1) to form a box-like structure (2), a lin...
08/06/1991
5022326Asynchronous explosive logic safing device
An asynchronous explosive logic safing device which is mappable as a network on a single surface to perform the safe/arming function for an explosive device or warhead. The safing device uses explosive logic AND gates and AND/OR gates in conjunction with ...
06/11/1991
5009162Explosive logic resolver network
An explosive logic resolver network for determining which detonator in a rality of detonators is the first to detonate. The resolver network is interposed between a plurality of detonators and the explosive logic clock of a safe/arming network. Each deto...
04/23/1991
4998963Explosive logic clock
An explosive network forming an explosive logic clock for opening a time window during which a set of theoretically identical detonators must fire. The explosive logic clock also examines the first detonation to determine whether or not it is premature be...
03/12/1991
4989516Safe/arm explosive delay path
A safe/arm explosive delay path for detonating an explosive device and prnting detonation of the explosive device by extraneous factors present in the internal environment. The delay path comprises a detonator and first explosive trail leading to a delay...
02/05/1991
4982667Arrangement for production of explosively formed projectiles
An arrangement for production of explosively formed projectiles consists of casing with explosive contents, a fuse arranged on the base side and a metal insert which covers the explosive contents on the head side, in which case the projectile acquires win...
01/08/1991
4974514Explosive safety junction
An explosive safety junction which can meet the high reliability and safety standards of conventional or nuclear weapon safing devices. The safety junction is an explosive logic device having an inlet trail which diverges into one or more tiers of safety ...
12/04/1990
4967666Warhead against fortified or armored targets, particularly for damaging runways, roadway pavings, bunker walls or the like
A warhead for use against fortified or armored targets has an axially extending common housing. A forward hollow charge is located in the housing adjacent the forward end. A follow-up projectile is located in the housing between the hollow charge and the ...
11/06/1990
4942819Hollow charge
Hollow charge with a jet-forming lining or cover, in particular for producing a channel for a follow-through projectile in take-off runways, roadways or other stationary ground targets. A projectile-forming inert material is located between an initiator p...
07/24/1990
4768440Warhead for missiles
A warhead for a guided missile initiated by a proximity fuse, for use against high speed high altitude targets, comprises a fragmentation casing, an outer explosive charge contained in the casing and having a detonator and an inner explosive charge radial...
09/06/1988
4753170Polygonal detonating cord and method of charge initiation
The present invention comprises a detonating cord of polygonal cross section having three or more substantially flat sides of substantially equal length and substantially equal included angles between each of the sides....
06/28/1988
4552742Materials processing using chemically driven spherically symmetric implosions
A system and method for obtaining spherically symmetrical implosion of sample materials by directing radiant ignition energy onto a target which includes a spherically symmetrical core of selected sample material concentrically surrounded by a shell of hi...
11/12/1985
4412493Explosive logic safing device
An explosive logic safing device for increasing the safety and reliability f a detonation signal from a fuze to an explosive charge. The safing device is provided with an inlet explosive trail which conveys an inlet detonation signal to an outlet explosive...
11/01/1983
4408535Explosive cutting means
Explosive cutting means comprising explosive material, preferably in flat strip form, which can be arranged in contact with a surface of a target on either side of an intended line of cut and means for so detonating the explosive material that shock waves...
10/11/1983
4384527Explosive body comprising an explosive charge ignitable by fuse
An explosive body having an intensified detonation pressure is disclosed, characterized in that the body includes a main explosive charge and an auxiliary explosive charge. A material is arranged between the charges for transmitting the impact wave from t...
05/24/1983
4372214Explosive auto-enhancement device
An explosive auto-enhancement device for providing higher detonation pressure than can be achieved with conventional explosives by the use of magnetic precompression for enhancing the detonation wave. A cylindrical armature containing an explosive charge ...
02/08/1983
4325305Electrical augmentation of detonation wave
A method and apparatus for electrical augmentation of steady state detonation waves in solid or fluid explosives. Two electrical conductors are disposed along opposed margins of explosive material and coupled across a source of electrical energy. When the...
04/20/1982
4213391Anti-tank mine with peripheral charge initiation
1. In a demolition unit, a closed container having a shallow depth relative to its transverse cross section, and having a high explosive charge contained therein, a completely embedded non-explosive shock absorbing mass centrally located within said explo...
07/22/1980
4211169Sub projectile or flechette launch system
An explosive flechette launching system which includes a central core expive driver having stacked coaxially thereabout a plurality of disc plates which have layered and sandwiched therebetween for radial launching a multiplicity of flechettes. In one em...
07/08/1980
4160412Earth fracturing apparatus
An earth fracturing apparatus has a casing of reactive metal containing a central, double ended charge load that is simultaneously detonated from both ends; and a pair of opposed end charges at opposite sides of the central charge load, the end charges be...
07/10/1979
4145972Dual-mode warhead initiation system
Dual-mode capability is provided in a warhead initiation system having an itiation transfer assembly and two, end booster plates. The initiation transfer assembly comprises five, separate lines of mild detonating cord (MDC) swaged together at one end in a...
03/27/1979
4140057Axisymmetric stabilized liner implosion system
A payload (e.g., a plasma, gas, magnetic field) having an initial energy density is confined within an implosion chamber which also contains a rotating liquid liner having an approximately cylindrical inner surface due to the rotational forces. An annular...
02/20/1979
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