Class 102/527 - Nonmetallic

Subclass of Class 102 - Ammunition and explosives
Definition: Subject matter wherein the member is composed of elements
No. of patents: 31
Last issue date: 01/29/2008

Number	Title	Issue Date
7322297	Cannelured frangible projectile and method of canneluring a frangible projectile A method of canneluring a frangible projectile includes the steps of rotating the projectile at a high speed, and cutting the cannelure into the projectile to form a frangible cannelured projectile. To ensure that the body is not damaged during cutting, the cutting ...	01/29/2008
7262394	Mortar shell ring tail and associated method There is provided a ring tail for a ballistic projectile and an associated method that facilitate maneuverability of the ballistic projectile. The ring tail comprises a ring member having a generally cylindrical wall and at least one rod joined to an aft section of ...	08/28/2007
7040237	Munition loading device The invention provides a self-aligning device for aiding the engagement of a munition into a rifled gun barrel on loading of the munition, absent the use of a driving band, as, for example, in the case of a munition which is fitted with aerodynamic tail fins. The de...	05/09/2006
6981450	Grenade dispense mechanism for non-spin dual purpose improved conventional munitions A grenade dispensing mechanism for non-spin or low spin dual purpose improved conventional munition launched from inside a projectile. At a pre-determined point along the trajectory, the projectile time fuze which is set at the gun functions to provide initiation ou...	01/03/2006
6782830	Obturator for large caliber smooth bore ammunition An obturator having redundant surfaces for sealing between a projectile and a gun tube, where the obturator has at least one gun tube side cannelure. At least one projectile side cannelure is located opposite to the at least one gun tube side cannelure, where the at...	08/31/2004
6776102	Projectile body A projectile body having a groove-shaped recess (2), in which a guide band (3) is disposed. To permit use of a relatively wide guide band (3), while preventing the band from being destroyed as the projectile body (1) passes through the gu...	08/17/2004
6769364	Full-caliber projectile A full-caliber projectile having a cylindrical guide region (5) and an ogival projectile tip (7). To improve the stabilization of the projectile (1) inside a gun barrel (2) in a simple manner, and therefore improve the intermediate ballis...	08/03/2004
6453821	High-temperature obturator for a gun-launched projectile An obturator is provided for a projectile launched from a gun barrel. The obturator includes an annular ring that is fabricated from a high-temperature resistant composite material. The annular ring has an inner surface that is in contact with the project...	09/24/2002
6305293	Multiple-component projectile with non-discarding sabot sleeve The present invention comprises a multiple-component projectile which remains intact after leaving the barrel of a gun. The projectile comprises a core which includes a leading tip and a cylindrical shaft section which extends aft of the tip. A sabot slee...	10/23/2001
6295934	Mid-body obturator for a gun-launched projectile An obturator is provided for a projectile launched from a gun barrel. The projectile has a mid-body annular groove that includes a shaped surface. The obturator includes an annular ring having an inner surface in contact with the shaped surface of the ann...	10/02/2001
5682011	Sealing ring arrangement for a spin-stabilized projectile A spin-stabilized projectile includes a projectile body having a trailing end; a first circumferential groove provided in the projectile body; and a second circumferential groove provided in the projectile body between the first circumferential groove and...	10/28/1997
5648636	Non-detonable and non-explosive explosive simulators A simulator which is chemically equivalent to an explosive, but is not detonable or explodable. The simulator is a combination of an explosive material with an inert material, either in a matrix or as a coating, where the explosive has a high surface rati...	07/15/1997
5191164	Hybrid armature projectile A projectile for a railgun that uses a hybrid armature and provides a seed block around part of the outer surface of the projectile to seed the hybrid plasma brush. In addition, the hybrid armature is continuously vaporized to replenish plasma in a plasma...	03/02/1993
5105744	Jacketed projectile for ammunition The invention is a jacketed projectile for a round of ammunition wherein the jacket is deformed at least partially elastically when the projectile is driven through the barrel of a gun, the core of the projectile remaining undeformed....	04/21/1992
5081931	Spin stabilized carrier projectile provided with a metal driving band To provide a complete seal in the region of the rifling, particularly in worn-out gun barrels firing spin stabilized carrier projectiles provided with a metal guide or driving band and a thin-walled projectile connected to a projectile base and having a w...	01/21/1992
4907513	High volume obturator assembly method An obturating band of the despun variety is manufactured within the channel of a projectile assembly. A split ring polymer pre-band is clamped around the band seat of the projectile assembly and the free ends are welded together to form a continuous ring ...	03/13/1990
4833995	Fin-stabilized projectile A fin-stabilized projectile for weapons selectively possessing either a smooth, and in particular, a rifled weapon barrel, which possesses a discardable thrust ring constituted of segments arranged on the central form-fitted component, and of a through-sl...	05/30/1989
4754708	Projectile driving band retention system An ammunition round has a plastic molded driving band on a projectile. The driving band is mechanically attached to the projectile by opposing curved hooks bent toward one another and defining a restraining area therebetween. The seating area for the driv...	07/05/1988
4754707	Projectile A projectile which is fireable in a spin-stabilized manner from a weapon barrel or launch tube through the action of the gas pressure generated by a propellant charge, and which projectile is guidable during flight. The projectile is equipped in the rearw...	07/05/1988
4736666	Alignment ring for mold-in-place projectile A method of manufacturing a sabot projectile is disclosed in which the projectile core is used as the core pin of a mold and a sabot is molded directly onto and in alignment with the projectile core and the core nose is held by a special alignment ring....	04/12/1988
4726298	Connection between the casing and the rear part of a sabot for projectile Ever greater demands in terms of mechanical strength and gas tightness are being made on the connection between the rear part and the casing of a sabot for a projectile. To improve this connection a circumferential groove is provided in the rear part of t...	02/23/1988
4558646	Projectile body with a rotating band of plastic A projectile particularly for use in rapid fire weapons and high performance guns comprises a hollow projectile body having an exterior surface with an annular groove therearound and with a plurality of openings formed in the groove at spaced circumferent...	12/17/1985
4552071	Two-piece despin obturator A two-piece despin obturator mounted on a forwardly inclined obturator ramp on the projectile sidewall has a ring-shaped body of nylon-6 and a wiper band formed from Plascon nylon. The two-piece design is relatively immune to damage in the handling and lo...	11/12/1985
4532868	Rotating band for projectiles A rotating band of projectiles is made of a compound sleeve bearing material. The compound material comprises a carrier material and a porous slide layer applied thereto and having pores filled with a polytetrafluoroethylene mixture. The outer surface of ...	08/06/1985
4520731	Projectile construction and method of making the projectile A projectile particularly for automatic firearms in high performance machine guns comprises a cylindrical projectile body which has an annular groove around its circumference with rib portions extending radially outwardly of the bottom of the groove which...	06/04/1985
4459894	Mold-in-place sabot projectile A method of manufacturing a sabot projectile is disclosed. The projectile core is used as the core pin of a mold and the sabot is molded directly onto and in alignment with the projectile core....	07/17/1984
4446795	Metallic projectile body and thermoplastic rotating band A metallic projectile body with a plastic rotating band comprising a band seat zone on such projectile body coated with a sprayed metallic coating, and a polymer molded over said sprayed metallic coating to form a plastic rotating band....	05/08/1984
4381319	Method of bonding rotating bands on projectiles A method of bonding a thermoplastic rotating band onto a projectile including the steps of designating, e.g., machining, a band seat zone onto a metallic, e.g., steel, projectile body, coating the band seat zone with a sprayed metallic coating, and applyi...	04/26/1983
4366015	Rubber driving band, artillery shell employing same, and method of making the band and assembling same in the shell An integrally molded laminated driving band for artillery shells is formed of radially alternating, circumferentially extending layers of fabric and rubber. The driving band is made by coating a fabric strip with uncured rubber, wrapping the coated strip ...	12/28/1982
4242961	Chevron grooved decoupling obturator An obturator for a projectile to be fired from a rifled barrel is provided in accordance with this invention, with this obturator being mounted on the projectile in such a way as to permit rotational slippage. A preferred form of our obturator comprises a...	01/06/1981
4040359	Discarding frangible rotating band A composite plastic-glass frangible rotating band, for a spin launched prctile, has epoxy filled annular stress risers embedded within its inner wall. The composite rotating band is designed to be resistant to compressive forces exerted thereon while in ...	08/09/1977

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Class 102/527 - Nonmetallic