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4530269 Remotely initiated separation latch assembly  
The present disclosure describes a latch assembly wherein structural members are coupled to each other by an electric match-type device interposed therebetween. The latter device generally...
4512538 Device for maintaining a detonating cord against a transparent aircraft canopy member  
Device for maintaining a detonating cord against a transparent aircraft canopy member which is of the type comprising a closed sheath within which is placed the cord. The device also has an outer...
4495849 Remotely activated cable cutter  
This invention improves on explosively actuated cable cutters in that it orporates a remote capability of activating the cutter. The improved apparatus comprises an acoustical transducer for...
4493240 Parachute line cutting device  
An explosive line cutting device is provided with a frictional igniter assembly permitting actuation throughout a broad range of positional attitudes. An insulating sleeve is provided around a...
4493241 Device operating by means of pyrotechnic charges for releasing joints subject to load  
A device is described which operates with pyrotechnic charges to release nts under load effected between a plurality of constructional components and including bolts acted on by transverse forces....
4485718 Rapid de-icing system  
A method and a device for the purpose of de-icing those covers and other surfaces of limited size which can be subjected to severe icing and which it may be necessary to make ice-free at very short...
4479524 Log splitting blasting wedge and anchor system improvements  
A log splitting method and apparatus includes placing a charge of blasting powder in a log splitting blasting wedge, axially driving the wedge into one end of a log to be split, adjusting the...
4478151 Pressure vessel penetrator  
Positive rocket motor pressure hull venting in the case of deck fires is vided by placement of thermite masses at spaced locations on the interior of the hull. Small cylindrical masses as well as...
4457204 Explosive charge-containing nut  
A T-joint having a two-part housing applicable to a pipe contains a member adapted to cut a hole in the pipe when acted upon by an explosive charge to provide a branch conduit from the pipe. The...
4430939 Linear shaped charges  
A linear shaped charge has a v-shaped indentation cladded with e.g. lead. The explosive body is formed of discrete explosive elements, such as detonator cords, at least one of which is positioned...
4429741 Self powered downhole tool anchor  
A self powered downhole tool anchor device (10) preattached to a downhole tool (T) and unitarily supported by a drill string (DS) for a single trip into a well bore, actuated by forceful engagement...
4423682 One-way explosive transfer assembly  
A one-way explosive transfer assembly embodying a body formed with an interior chamber containing an explosive shock transfer body formed with shock wave attenuating passage means shaped to...
4421005 Explosive actuated valve  
1. A device of the character described comprising the combination of a housing having an elongate bore and including a shoulder extending inwardly into said bore, a single elongate movable plunger...
4409879 Explosive actuated valves  
1. A device of the character described comprising the combination of a generally tubular housing having an end portion forming a chamber to receive the sensitive portion of an explosive squib, a...
4408535 Explosive 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...
4407468 Explosively activated egress area  
A lightweight, add-on structure which employs linear shaped pyrotechnic charges 40 to smoothly cut an airframe 10 along an egress area periphery 30 and compromises reaction surfaces 62 attached to...
4407467 Tactical wire-cutter system for helicopters  
A tactical wire-cutting system for helicopters includes a forwardly extending probe having a plurality of explosive cutting charges disposed along the probe. The probe is inclined with respect to...
4406209 Projectile-firing weapons  
A projectile-firing weapon wherein the firing of the projectile is brought about, at least partly, by the unfolding of a flexible bag under the effect of a pressure within the bag.
4405104 Panel breaking apparatus  
Panel breaking apparatus for breaking a panel such as a military aircraft cockpit canopy ahead of an ejector seat and wherein at least one conductor formed of aluminum sheathed in palladium is...
4399829 Tapping apparatus and method  
A tapping apparatus and method for making connections to pipelines and vessels while they are in service and contain fluid under pressure. The tapping apparatus and method includes an explosively...
4392412 Gaseous blast reducer  
A gaseous blast reducer employs a membrane which is effective to contain a ass of gas having properties different from air, in the vicinity of the source of the blast. The blast is forced to...
4374483 Ignition system for an electrical connector  
The present invention is an improved ignition system for use with internally fired electrical connectors of the type used to splice heavy, high voltage electrical cable. More particularly, the...
4354433 Apparatus for cutting pipe  
The invention pertains to an improved annular shaped charge of a type to be used in the shaped charge carrier of pipe cutting or severing apparatus. The improved annular shaped charge is made up of...
4338861 High "G" firing mechanism  
The invention relates to a firing mechanism for high acceleration applicans having a body member having a first chamber, a second chamber and a web member separating the first chamber from the...
4333381 Plate-glass fitted with an explosion-cutting device  
The window is constituted by two parallel walls and a central space, a detonating fuse being inserted between the walls and mounted in such a manner as to produce anisotropic detonating action. As...
4328736 Fuseless explosive propellant cartridge  
An explosive propellant cartridge for use in propellant-actuated devices. e cartridge contains only the explosive propellant which is stable and safe when not confined in a vessel capable of high...
4326461 Time delay device  
A time delay device for, in use, combination with a firing device demolition of the type having a pivotable member adapted to release a firing pin to detonate an associated explosive element. The...
4314500 Instantaneous opening positive lock mechanism  
An actuating rod is locked firmly in position by a split spring locking ring which engages matching shoulders in a groove on the rod. An electrical signal operates to energize a squib gas generator...
4301707 Embedded explosive severance of non-metallic materials  
This invention relates to apparatus for explosively severing non-metallic material such as aircraft canopy transparencies, egress panels and other structural members. To provide a more effective...
4299166 Containment and release device for fluids  
A dispenser retains a hermetically sealed metal canister which holds a pyrophoric fluid, radar chaff, other electronic countermeasure materials or a combination thereof for ejection from an...
4283987 Explosive release clamp system  
An explosive release clamp adapted to be opened suddenly by electrical initiation of an explosive charge, and a safety pressure release system for closed vessels such as chemical reactors, high...
4280407 Explosive package assembly  
An explosive package is provided which is particularly adapted to be placed against and around the inside and outside curvature of a metal pipe for explosive welding purposes. The package is a...
4277262 Reusable axial filter for high temperature gases  
A reusable filter to remove contaminants from high temperature gases, in excess of 4500° F., developed by burning propellants and used to do work such as actuation of piston-powered devices in...
4277261 Reusable helical filter for high temperature gases  
A reusable filter to remove contaminants from high temperature gases, in excess of 4500° F., developed by burning propellants and used to do work such as actuation of piston-powered devices in...
4276065 Reusable disc filter with spacing bosses for high temperature gasses  
A reusable filter to remove contaminants from high temperature gases, in excess of 4500° F., developed by burning propellants and used to do work such as actuation of pistonpowered devices in...
4275858 Panel breaking systems  
A Panel Breaking Apparatus comprising at least one fusible conductor having at least one region of increased fusibility and embedded in intimate contact with the panel material and connected to a...
4269613 Reusable disc filter with foil spacers for high temperature gases  
A reusable filter to remove contaminants from high temperature gases, in excess of 4500° F., developed by burning propellants and used to do work such as actuation of piston-powered devices in...
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...
4222329 Underwater cutting device  
An underwater cutting device which utilizes a W shaped liner to separate a inear explosive charge from a watertight standoff volume. The liner is fabricated by bending a single metal plate. A V...
4205697 Method to interrupt a media flow through a tubular pipe and a device for utilizing the method  
A method and a device for interrupting or reducing a media flow through a tubular pipe, involving removal of two opposed circumferential wall portions of the tubular pipe by means of two mainly...
4192236 Firing mechanism for percussion caps  
A firing mechanism for a percussion cap for a pyrotechnic device in which a firing pin is mounted on the underside of a leaf spring. The spring is normally unstressed but can be drawn back and...
4188856 Compressed-gas-actuated switching device  
A compressed-gas-actuated switching device including a housing, at least one primer for generating compressed gas and an actuating element for actuating a device to be actuated in response to...
4188886 Pressure probe for safety-arming device  
An air pressure sensing probe for providing static-dynamic differential air ressure to operate a guided missile warhead safety-arming device is disclosed. The probe assembly is hermetically sealed...
4187759 Separation nut system  
A separation nut system having bolt ejecting separation nut assemblies coned with bolt catcher assemblies. At least two separation nut assemblies with their respective bolt catcher assemblies are...
4185551 Underwater cable cutting device  
1. A sweep wire destroying device of the character disclosed comprising a oyant member adapted to cause the device to float within a body of water, means including a cable for mooring the device...
4181062 Release assembly using separation nuts and thrusters  
A release assembly using separation nuts and thrusters for ejecting a body ith spin from a vehicle. The separation nuts are manifolded together in pairs so that failure of one squib of a pair will...
4175469 Centrifugal aerosol dispenser assembly  
A centrifugal aerosol dispenser assembly capable of dispersing a cloud of particulate aerosol material in a predetermined geometrical configuration. The dispenser assembly is formed of two parts, a...
4171663 Tension fracture fitting in missile separation thruster  
A tension fracture fitting is mounted between two stages of a missile and fractured by separation thruster mechanism at an appropriate time to separate the missile stages and to guide the missile...
4169403 Bomb circuit disrupting device and method  
This invention relates to a readily portable device to disrupt the bomb circuitry as of a home made bomb from a closely positioned point such as on the order of six to twelve inches and operated...
4164953 Normally-closed electro-thermally operated flood valve  
A flood valve is adapted to be mounted in an opening provided through a wall to normally separate a fluid on one side thereof from a relatively unpressurized space on the other side thereof. The...