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Class Information
Number: 102/435
Name: Ammunition and explosives > Cartridges > Wear reducing additive for barrel
Description: Subject matter wherein means are added to the explosive material to prevent a barrel from becoming oversized when a projectile passes through it, e.g., reduce erosion.

Patents under this class:

Patent Number Title Of Patent Date Issued
7197986 Composite steel and ceramic gun barrels Apr. 3, 2007
5907121 Blank cartridge for firearms May. 25, 1999
5834673 Method of providing fixed ammunition with an additive which limits barrel wear, and ammunition produced in accordance therewith Nov. 10, 1998
5747723 Modular artillery charge system May. 5, 1998
5672842 Case for propellant charge Sep. 30, 1997
5565643 Composite decoppering additive for a propellant Oct. 15, 1996
5463956 Wear decoppering liner Nov. 7, 1995
5421263 Cartridge for spraying a liquid into the barrel of a firearm Jun. 6, 1995
5151557 Additive for propelling charge Sep. 29, 1992
5072672 Composite materials with lubricating properties, process for their manufacture and antierosive components for a barrel weapon system which consists of these materials Dec. 17, 1991
5052304 Propelling charge container Oct. 1, 1991
5042388 Forward control tube with sequenced ignition Aug. 27, 1991
4893542 Shell lubricator Jan. 16, 1990
4858534 Ballistic lubricating and process Aug. 22, 1989
4715285 Additive sealing sleeve for large-calibered cannon ammunition for the protection of the weapon barrel Dec. 29, 1987
4715284 Telescoped ammunition construction for reducing barrel erosion Dec. 29, 1987
4712481 Additive sealing sleeve for a propellent charge for large-calibered ammunition fired from barreled weapons Dec. 15, 1987
H18 Reduction of erosion and muzzle flash of gun tubes Feb. 4, 1986
4334477 Wear reducer Jun. 15, 1982
4203364 Cartridge for reducing bore erosion and extending barrel life May. 20, 1980
4098193 Wear and corrosion reducing additive for gun propellants Jul. 4, 1978

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