U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5508049

Pizza Pie With Concentric Rings of Crust

A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 89/15 - Wound


Subclass of Class 89 - Ordnance
Definition: Gun barrels strengthened by winding of wire, metal ribbon,
No. of patents: 24
Last issue date: 04/24/2007


NumberTitleIssue Date
7207256Weapons platform construction
A vehicular weapons platform (30) including a plurality of barrel assemblies (10), wherein each barrel assembly includes a barrel (11), a plurality of projectiles (14) axially disposed within the barrel for operative sealing engagement wi...
04/24/2007
7152357Composite firearm barrel assemblies
A firearm barrel includes an elongate metal insert member and a rigid sleeve surrounding the insert member along a majority of the length of the insert member. A casing is formed around at least a portion of the sleeve, preferably by injection molding. Breech and mu...
12/26/2006
6889464Composite structural member
To make a composite gun barrel, an inner barrel of a hard refractory material is formed and a composite jacket formed over it to increase the stiffness and strength while not adding excessive weight. The tows in the external jacket are varied in pitch along the barr...
05/10/2005
6543173Firearm assembly
A firearm assembly including a fluid deflector adapted to be connected to a discharge end of a barrel of a firearm, the fluid deflector including a first passage for flow therethrough of a fluid and a second passage in fluid communication with and angled ...
04/08/2003
6189431Small caliber gun barrel
A composite barrel for a firearm comprising a substantially metallic liner and fiber reinforced resin, in which the fiber reinforced resin is under compression....
02/20/2001
5915937Primarily independent composite/metallic gun barrel
A substantially nonbonded composite/metallic gun barrel is disclosed. The gun barrel has a metallic liner and a composite casing disposed thereabout. Unlike composite/metallic gun barrels of the prior art, the embodiments of the present invention provide ...
06/29/1999
5804756Composite/metallic gun barrel having matched coefficients of thermal expansion
A composite/metallic gun barrel is disclosed having a metallic liner and alternating first and second groups of fibers wrapped about the liner, the first groups being disposed in a first orientation generally perpendicular to the long axis of the liner, a...
09/08/1998
5692334Primarily independent composite/metallic gun barrel
A substantially nonbonded composite/metallic gun barrel is disclosed. The gun barrel has a metallic liner and a composite casing disposed thereabout. Unlike composite/metallic gun barrels of the prior art, the embodiments of the present invention provide ...
12/02/1997
5531150Lightweight gun systems
A mortar design according to the present invention has been described. The mortar of the present invention weighs substantially less than the presently available mortars. Furthermore, the mortar of the present invention provides a dampening mechanism whic...
07/02/1996
5348598Method of manufacturing a gun barrel provided with a lining
A gun barrel lining made of composite material having refractory fiber reinforcement and a ceramic matrix, the fiber reinforcement comprises a cylindrical inner portion constituted by a three-dimensional fiber texture and a cylindrical outer portion surro...
09/20/1994
5285592Motor case with composite overwrap and method
A motor case, including an aluminum barrel and a composite overwrap wound around the barrel to form a composite layer, which protects the operator against case failure during motor firing due to thermal effects caused by insulator defects or the like. The...
02/15/1994
5191165Ordnance barrels
The disclosure relates to a method of producing rifled, non-metallic barrels of composite material in the form of a fiber-reinforced thermosetting matrix for rocket and grenade launcher ordnance, and barrels produced in accordance therewith. The character...
03/02/1993
5054224Apparatus and method for a composite polymer rifling disposable gun tube
An apparatus and method for producing a disposable composite laminate gun th polygon rifling and integrally fabricated conically shaped chamber section. A polygonal shaped barrel mandrel is joined with a radial segmented chamber mandrel, wound with altern...
10/08/1991
4846911Preloaded composite electromagnetic barrel and process for fabricating same
A composite electromagnetic barrel is preloaded to minimize rail separation by jacking the rails radially outwardly away from each other and wedging a pair of insulating members between the rails to retain the preload. The jacking force is then released....
07/11/1989
4843946Filament-wound venturi
A venturi section or cone for a lightweight firearm such as a recoilles gun which is subjected to high transient pressures and temperatures on firing is formed from a resin impregnated multi-filament fiber material. The material in the form of an elongate...
07/04/1989
4841836Thermal shroud for a gun tube
A gun tube thermal shroud for reducing temperature gradients across the gun tube caused by asymmetric external and internal heat flux distributions, which includes an inner layer of high thermal conductivity extending about and along the gun tube in intim...
06/27/1989
4774872Prestressed tube and tube joint
A joint is provided for joining together two sections of a tube wherein the sections are prestressed by a surrounding pressure medium to press the sections together and to resist forces tending to separate the sections and the bursting pressure inside the...
10/04/1988
4741939Compatible self-crosslinking poly (amide-imide) polyepoxide resin blends and laminates made therewith
Disclosed is a composition comprising about 5 to about 95 phr of a polyepoxide or other resinous component, about 20 to about 90% of an aprotic solvent, about 5 to about 95 phr of a polyimide having sufficient amic acid functionality to be soluble in the ...
05/03/1988
4685236Graphite/metal matrix gun barrel
A gun barrel is constructed of an inner tubular liner of hard material forming the bore of the barrel and an outer jacket of carbon-fiber reinforced metal matrix material in which the fibers are helically wound about the liner. In a preferred construction...
08/11/1987
4675350Compatible self-crosslinking poly (amide-imide) polyepoxide resin blends and laminates made therewith
Disclosed is a composition comprising about 5 to about 95 phr of a polyepoxide or other resinous component, about 20 to about 90% of an aprotic solvent, about 5 to about 95 phr of a polyimide having sufficient amic acid functionality to be soluble in the ...
06/23/1987
4655866Device for thermal protection from ablation and vibrations and manufacturing method
A thermal protection device is intended for protecting structures submitted to high temperature and high speed ablative flow in the presence of high frequency vibrations and of the type comprising an armature containing a binder layer. The armature is a f...
04/07/1987
4646615Carbon fibre gun barrel
A barrel section for a lightweight firearm such as a recoilless gun which is subjected to extremely high transient internal pressures and temperatures on firing is formed from an epoxy-resin impregnated carbon fibre material. The material, in the form of ...
03/03/1987
4485721Rifled fiber reinforced gun barrel
A tubular structural element comprises a tubular body made of a fiber reinforced composite material having reinforcing fibers embedded in a matrix. The fibers are one of carbon, berylium, boron, glass, metallic or non-metallic, or a hybridized combination...
12/04/1984
4432269Weapon system
A light-weight anti-tank weapon for use by infantry consists of a launching tube for a projectile such as a rocket contained either directly in the tube or in a container which, when firing takes place, forms an extension of the tube. To enable the weapon...
02/21/1984
 
Sign InRegister
Username  
Password   
forgot password?