Class 102/275 - With frangible restraint

Subclass of Class 102 - Ammunition and explosives
Definition: Subject matter in which the impacting device is held by
No. of patents: 25
Last issue date: 10/25/2011

Number	Title	Issue Date
8042471	Safe and arm device and explosive device incorporating same A safe and arm (S&A) device is disclosed. The device utilizes a no-fire separation distance and a mechanical configuration of primary explosive/booster explosive and secondary explosive to establish a safe mode. While in safe mode, the device would allow no more tha...	10/25/2011
7343860	Safe and arm device and explosive device incorporating safe and arm device A safe and arm (S&A) device is disclosed. The device utilizes a no-fire separation distance and a mechanical configuration of primary explosive/booster explosive and secondary explosive to establish a safe mode. While in safe mode, the device would allow no more tha...	03/18/2008
7055436	Shell fuse A shell fuse has a target acquisition sensor, such as an impact sensor, and a firing train in which a firing device carrier is movable from a safe position into an armed position. Overflight safety all the way to the target is afforded in a simple manner. There is p...	06/06/2006
6640719	Fuze explosive train device and method A fuze explosive train device for detonating a munition that uses a stab firing pin within a pressure cartridge, with the stab firing pin located between a gas generator and a stab detonator. The firing pin is capable of transferring an energy from the ga...	11/04/2003
6481355	Bomblet fuze with self-destruct mechanism A priming unit, consisting of a combination of rested casings 5, 6, 7, a firing pin 3 with assembly aid 12, as well as a priming spring 8 and a propulsion spring 9, are arranged to provide a secure detonation of a fuze or bomblet fuze. The priming unit en...	11/19/2002
5591935	Shock sensing dual mode warhead A shock sensing dual mode warhead is provided for use against both soft and ard targets and is capable of sensing which type of target has been struck. The warhead comprises a casing made of a ductile material containing an explosive charge and a fuze asse...	01/07/1997
5309843	Warhead with a tandem charge A warhead which may be integrated, for example, in a bazooka, is capable of shooting through a wall protecting an enemy. For that purpose, a tandem charge includes a hollow charge which produces in the wall a firing passage for a follow-up charge. The fol...	05/10/1994
5148868	Method and apparatus for perforating tubing The invention, as set forth in this disclosure, includes a perforating assembly for perforation of well tubing. This perforating assembly can be dropped by hand without attachments of any kind. The outside diameter of this manually-dropped tubing perforat...	09/22/1992
4901802	Method and apparatus for perforating formations in response to tubing pressure The present invention presents a method and apparatus for perforating a well in response to fluid pressure in a first tubing string while establishing a pressure balance in response to pressure in a second string, or in the well casing, through which the ...	02/20/1990
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 communicating with a rearwardly extending striker means whi...	11/28/1989
4699058	Safing and arming device and method A mine fuze timer having a ball serving as a locking element, which ball is released after the elapse of a predetermined time period. Such time period may be determined by a timer by exerting needed load against a readily deformable material, or as an alt...	10/13/1987
4676163	Double-path detonation tube inertia igniter A chisel point striker is retained by a shear pin on the center line of a warhead above an open-ended flash tube packed with a percussion sensitive priming mixture. Impact of the warhead with a resistant target causes the shear pin to shear and the strike...	06/30/1987
4619200	Impact ignition device for a plurality of stab type primers A multi-path impact type, inertia class, igniter for use with both rotating and non-rotating projectiles or warheads includes two or more stab type "firing pins" that are arranged in a plane which is at 90° to the center-line of the projectile. The firin...	10/28/1986
4584925	Underwater rocket launcher and rocket propelled missile Our invention comprises a launcher which takes the form of a holster carried firearm and a rocket propelled missile slidably mounted within the launcher. Features of our invention include electrical ignition of the rocket propelled missile, waterproof ele...	04/29/1986
4471698	Mass-spring rainhead Apparatus for rendering the fusing of a ballistic missile, including a firing pin, insensitive to raindrop impact, by interposing between the firing pin and the site of impact of raindrops, a resonant mechanical system having a natural period which is lon...	09/18/1984
4466351	Impact probe mechanism for ammunition fuzing A fuze for firing the explosive charge of a projectile, comprising, in combination, a firing mechanism, including a firing pin, mounted resiliently in said projectile for rearward axial movement of the pin to fire the charge, a probe, including forward an...	08/21/1984
4464992	Sector type initiator for artillery projectiles Impact with a resistant media at adequate forward velocity and rate of rotation causes a pivoted sector weight to shear a retaining shear pin and rotate quickly, bringing a firing pin on the sector weight into violent contact with a percussion primer and ...	08/14/1984
4397239	Delay function module for ammunition A delay function modulator for insertion between the primary fuze and the warhead of a projectile, which relies on the time required for the movement of the plunger through a certain distance, then on the further movement of an internal firing pin under t...	08/09/1983
4286521	Device actuated electrically to trigger a mechanical percussion detonator A device actuated electrically for triggering a mechanical percussion detonator, comprising a tubular container wherein is housed a striker with a percussion pin, an explosive cap actuated electrically and held secure by a cover and a detonator holder con...	09/01/1981
4242964	Explosive fuse for projectile A percussion type projectile nose fuse includes a generally conical fuse body having a cavity open only to the base thereof. Disposed within the cavity is a firing pin, a sleeve and a ball igniter. A fuse tip portion is defined by a weakened region, open ...	01/06/1981
4237788	Explosive fuse for ballistic projectile An elongated, aerodynamically improved ballistic projectile fuse, having an overall fuse length greater than its maximum diameter by a factor of approximately two, includes a lightweight aluminum fuse body having forward and rearward portions and an inter...	12/09/1980
4013013	Ordnance fuze time delay mechanism A time delay mechanism for use within a fuze having a primer and propellant contained within respective housings, the ignition of which creates a pressure build-up utilized to activate the fuze. The exact time delay for the fuze is controlled by the lengt...	03/22/1977
3952663	Diffuser This invention deals with the problem of premature functioning of shells with point detonating fuzes. A diffuser is provided in a fuze head to prevent a direct impact on the detonator by providing an effective cover to all elements of the detonator. This ...	04/27/1976
3948176	Mechanical initiator for detonation of explosives A highly safe, wholly mechanically operable initiator is disclosed which is particularly suitable for initiating a liquid explosive in well fracturing and numerous other underground mining operations....	04/06/1976
3937145	Helical baffle for the density integrating fuze head In the present invention a helical baffle is provided in a fuze head to pent a direct impact on the detonator by providing an effective cover to all elements of the detonator. This is done by providing a helical structure for protection against, solid ob...	02/10/1976

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Class 102/275 - With frangible restraint