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Match Document Document Title
8151708 Safe and arm mechanisms and methods for explosive devices  
A SAFE and ARM mechanism is includes an elongated casing having a first end and a second end. A high-G force firing pin is arranged relatively near to the first end and a low-G force firing pin is...
8104405 Ammunition firing device incorporating a firing pin  
An ammunition firing device incorporating a firing pin intended to impact a pyrotechnic composition to activate its ignition, wherein said firing pin incorporates a rod that slides when said...
8082845 Self destruction impact fuse  
The present invention provides a self destruction impact fuse for fail-proof detonating a projectile, preferably a low velocity projectile. The present invention further provides a projectile that...
8061271 Programmable inertial igniters for gun-fired munitions, thermal batteries and the like  
An inertial igniter including: a housing; a striker mass movable relative to the housing; a biasing element for biasing the striker mass towards a percussion primer; one or more movable members...
8047135 Counter-mine dart  
Some embodiments of the invention provide a dart that contains an HE payload, two time-delay fuses, one providing a relatively longer delay and the other providing a relatively shorter delay and...
7701694 Armament fuse arrangement  
A highly reliable fuse for explosives and armaments is achieved by employing a micro mechanical device that operates to disrupt a relatively low impedance bypass circuit coupled in parallel with a...
7685941 Projectile with a penetration capability  
A penetration-capable projectile has a casing and a fuze with a fuze housing lower part. An interface area between the casing of the projectile and the fuze housing lower part is formed with a...
7661363 Impact fuse  
An impact fuse includes a body containing a piezoelectric generator positioned on a bracket integral with the body. The piezoelectric generator serving as an anvil. The fuse includes a piston...
6578488 Safety device for a pyrotechnic impact fuse of a ballistic high explosive shell  
A fuse-less shell (10) with a so-called pyrotechnic impact fuse achieves bore safety and safety in front of the bore by providing a spring-supported ball (43) arranged in a central bore (72) within...
6578489 Pyrotechnic initiation delay means  
A pyrotechnic initiation delay device intended in particular to cooperate with a device for firing a pyrotechnic charge of the fuze type, particularly for a hand grenade, having a delay composition...
6279480 Firing pin assembly for a warhead detonator  
A firing pin assembly for mechanically igniting a warhead detonator of a projectile by being accelerated in a forward direction by inertia upon impact, includes a firing pin having a rearward...
6257145 Pyrotechnical impact detonator  
A projectile includes a pyrotechnical detonation chain arranged to be ignited in response to a launching of the projectile. The chain includes two successive spaced-apart portions that are spaced...
5914459 Acceleration/deceleration sensing switch for munitions  
A discriminating deceleration sensing electrical switch assembly is enclosed within a munitions projectile for providing an electrical circuit path between a pair of electrical contacts upon...
5799977 Gas generator for seat belt retracting power generating device  
This invention relates to a gas generator for a seat belt retracting power generating device to supply power to an emergency retracting device of a seat belt retractor, and aims to reliably ignite...
5564747 Trigger device  
Accommodated within a trigger casing are a firing pin arranged movably toward a detonator, an inertia body formed of a permanent magnet and defining along a central axis thereof a through-hole...
5458369 Starting device and seat belt tightening apparatus  
A starting device (21, 121, 41) for actuating a gas generator (8) by striking a detonator (10) in response to an acceleration of a predetermined level or more. The starting device includes a firing...
5365850 Igniting device  
A method and an arrangement to determine the lowest speed at which an activating pin activates a detonator, this being achieved by a hydraulic medium, the viscous property of which is used to...
5072896 Powered canopy breakers  
A powered canopy breaker attached to an ejection seat, that fractures a canopy when the seat is ejected. The breaker has a piston that is operatively connected to an explosive cartridge. When the...
4991510 Impact fuse having fore-bore safety  
The invention relates to an impact fuse (2) having fore-bore safety for a projectile (1), comprising a percussion needle (3) stationary on the fuse and an impact body (4) containing a percussion...
4982664 Crash sensor with snap disk release mechanism for stabbing primer  
A crash sensor for automobiles of the type including a ball moving against viscous damping in a closed cylinder for releasing a firing pin for initiating a pyrotechnic sequence has an improved...
4913057 Armor piercing shell  
In an armor piercing explosive shell of the kind which comprises a hollow charge and an impact contact member placed in the nose cone of the shell to provide electrical contact for initiation of...
4882995 Projectile for darting gun  
A projectile for a darting gun, comprising a front head housing a front ignition plunger arranged for axial rearward movement when the tip of the projectile strikes a target, the ignition plunger...
4876964 Projectile and method of making it  
A projectile and method of making it having a forward end portion which comprises a hollow, metallic nose portion (1) containing a charge (3) adapted to detonate by impact against a target without...
4833994 Dual purpose explosive lead for a projectile having a shaped charge warhead  
A projectile 10 with a shaped charge warhead 27 and a nose mounted contact fuze 30. A precursor shaped charge 56 and liner 48 are mounted in the base 38 of fuze 30. When a target 64 is impacted by...
4831936 Armor piercing shell  
An armor piercing explosive shell comprises a hollow charge and an impact contact member placed in the nose cone of the shell and arranged to provide electrical contact for initiation of the hollow...
4827846 Initiating device for a training projectile  
An initiating device which employs discardable arming members is disclosed. The design qualifies as a low cost, responsive, impact initiating system for a practice projectile. The method is...
4779533 Apparatus for setting the ignition timing in projectile fuses  
In a fuse for projectiles, a timing ring is mounted rotatably around the longitudinal axis of the fuse, whereby the ignition time or the ignition delay time may be set. To resist rotation of the...
4760792 Pyrotechnic delay for high g's application  
An acceleration resistant pyrotechnic delay unit delays the ignition of a warhead subjected to high acceleration on launch and high deceleration on impact. The delay unit includes a delay cup...
4757765 Rotational projectile  
A rotational projectile having a hollow, metallic nose portion (1) containing a charge adapted to detonate by impact against a target without the use of a fuse, whereby the nose portion, rearwardly...
4688466 Explosive initiator and method  
Device and method for initiating an explosive charge, for example in an aircraft canopy jettisoning system. The initiator has an operating handle which is swung from a safe position to an armed...
H000124 Initiator assembly  
There is disclosed an initiator assembly for a ballistic missile system to ffect fluid flow of a gas from a source thereof to user equipment disposed in a housing therefor including gas inlet and...
4604953 Void-sensing fuze  
A void-sensing fuze whose initiation is deferred until after impact forces have terminated. A safety device safeties the fuze until after the ordnance has fired. Thereafter, upon impact the fuze is...
4599945 Out-of-line interrupter ignition system for flares and markers  
A hollow pivot pin, with an exposed primer at its side, holds boron potassium nitrate pellets 78 for igniting a flare. A spring-loaded firing pin mechanism is attached radially to the pivot pin and...
4574702 Armour-piercing high-explosive projectile with cartridge  
On impact the primer (37) is struck by the point (33) and transmits the ignition to an explosive column (14) located in the hollow nose (4). The splinters from a metal closing piece (17) are then...
4487127 Percussion fuse  
An improved construction for a percussion fuse. The fuse function has a firing pin rigidly mounted in an ignition head an adapted to coact with a percussion cap mounted in an impact member. This...
4480551 Point-detonating variable time-delayed fuze  
The fuze comprises a fuze body having a readily crushable nose cone and a thermal initiator, a thermally ignitable flash detonator and a main charge of booster explosive disposed in sequence in the...
4479436 Device for igniting safety fuse  
A device for igniting an article, such as safety fuse is disclosed having a body portion, (14) a chamber block (43) received in said body portion, said chamber block being movable relative to said...
4328752 Safety and arming device for a projectile fuze  
A safety and arming device for an ordnance fuze for use on projectiles exposed to thermal heating by the air friction. The device comprises arming means which influenced by the heating produced on...
4202269 Fuze mine anti-personnel  
2. In an anti-personnel mine fuze, a body member having a cylindrical rec therein, an upstanding concentrical sleeve in said recess, a spring-loaded pressure plate slidable in said body and sleeve,...
4158334 Safe/arm firing device  
An out-of-line safe/arm device for initiating an explosive deep within a thermal well which maintains the sensitive explosive elements thereof in an out-of-line position until armed by the...
4116132 Inertial sensors  
The sensor includes a linearly movable mass including two sections and spring means urging one of the sections into operative engagement with means including an actuating element. The sensor also...
4091735 Stored energy impact fuze  
An improved stored energy impact fuze wherein a spring loaded firing pin is normally restrained in the spring loaded position by a holding mechanism which includes a ball detent positioned in a...
4047484 Fuze with bimetallic spring delay module  
A fuze containing a bimetallic spring delay module, which includes a bimelic Belleville spring and a pyrotechnic charge for heating the spring. The spring is capable of inverting by heat from the...
4037537 Method and a device for blasting  
A blasting cap is detonated to convey a shock wave to thereby initiate the explosion of an explosive charge by means of a remotely operable pressurized fluid operated blasting cap detonating device...
3995556 Percussion fuse for an explosive munitions shell  
An improved percussion fuse for a mortar or similar explosive munitions shell is described. The fuse body that interconnects the charge-carrying shell body with the shell head disposed forwardly...
3971319 Thermally actuated percussion initiatable explosive cartridge assembly  
A percussion initiatable explosive assembly with means for thermal actuation of same, comprising an explosive cartridge shell with main explosive charge contained therein, and a percussion...
3888182 Pressure initiating primer system for projectiles  
A primer system of this invention includes a housing substantially filled with liquid and containing a sealed primer in intimate association with the liquid such that when the projectile strikes a...
3807306 FOLLOW THROUGH DEVICE CAPABLE OF INJECTING MATERIAL (LIQUID) THROUGH HOLE FORMED BY SHAPED CHARGE  
1. In a rocket projectile comprising a rocket motor and a shaped charge, combination of a detonator housing mechanism behind said shaped charge, a sealed liquid container behind said detonator...
3727575 BIDIRECTIONAL SENSOR  
A bidirectional sensor includes a rectangular housing mounted on a base plate. A hollow cylindrical guide tube extends between opposite end walls of the housing and slidably receives an operator...
3702589 BIMETALLIC TEMPERATURE SENSING DEVICE  
A device for sensing temperature excursions beyond predetermined limits above and below the ambient temperature of the device or some associated equipment including a first bimetallic disc having a...
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