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Class 102/462 - Closure means


Subclass of Class 102 - Ammunition and explosives
Definition: Subject matter wherein a plug, packing, etc., is used to
No. of patents: 12
Last issue date: 05/11/2010


NumberTitleIssue Date
7712418Waterproof cartridge seal
A closure wad is placed at the mouth of the launching end of a shotgun cartridge before the mouth is crimped down to seal the launching end of the cartridge. Both the walls of the closure cap and the walls at the mouth of the plastic envelope are crimped down togeth...
05/11/2010
7089863Non-Lethal cartridges with dense powder ballast
A non-lethal cartridge having sufficient discharge energy for use, without modification, in conventional firearms. When used with a firearm with a rifled barrel, the cartridge comprises a non-lethal projectile having a grooved outer surface and a dense powder ballas...
08/15/2006
6988450Anti-personnel ammunition
Anti-personnel tank fired ammunition designed for attacking personnel at various ranges includes a hollow base member adapted with an electric primer and a plastic or aluminum canister containing a payload at one end thereof. In operation, the hollow cartridge is lo...
01/24/2006
6899034Controlled energy release projectile
A projectile is provided, in accordance with the present invention that includes a gas seal, a wad absorption zone, a core hull, a mass of projectile core particles within the hull and an actuator member. The hull is a cylindrical member having an open end and made ...
05/31/2005
6701848Anti-personnel canister
An anti-personnel canister includes a generally cylindrical container having side walls, the side walls defining an enclosure with a generally concave surface at one end and an opening at another end; the side walls having an outer surface, the outer surf...
03/09/2004
5410967Target camouflaging chaff dispenser with ejectable closure
Rigid containers held assembled together form a dispenser from which chaff s dispersed by internally generated pressure when it exceeds a predetermined ejection level to displace and remove a sealing cap from a retention position causing rupture of an asso...
05/02/1995
5138950Water resistant top wad for shotshells
A moisture seal over shot wad for a roll crimped shotshell casing. The seal has a pair of spaced tubular flanges which comprise the rim portion of the disk shaped over shot wad. The tubular flanges are designed to receive the terminal end of the shotshell...
08/18/1992
5121693Hermetically sealed shot shell having an increased volume and a method for making same
An increased volume shotshell having a biaxially oriented plastic tubular body has an end closure disk heat sealed to the open end of the shotshell eliminating the conventional star crimp closure. The increases volume results from making available the spa...
06/16/1992
4991512Moisture seal shotshells
A moisture seal is designed for a shotshell having a biaxially oriented plastic tubular body. The seal is a composite of a thermally conductive layer and a thermoplastic such as high density polyethylene laminated together. The rim portion of the inner la...
02/12/1991
4815389Shot cartridge
A shot cartridge suitable for use in automatic and semi-automatic pistols, characterized by a metal case terminated in a hemispherical crimp and a wad that expands to fill the barrel diameter of a pistol....
03/28/1989
4803927Ammunition round and method of manufacture thereof
An improved telescoped ammunition round having a projectile comprising an aft recess to receive a booster tube that is affixed to the cartridge case and which remains stationary relative to the cartridge case throughout the firing sequence. The booster tu...
02/14/1989
4742775Power load for underwater spear gun
A power load for use with an underwater spear gun including a casing, explosive material within the casing, the casing having one closed end adapted to open when the explosive material explodes. The closed end is sealed with a sealing compound to prevent ...
05/10/1988
 
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