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US Patent 6090756 - Ballistics conditioning with molybdenum disulfide
US Patent Issued on July 18, 2000
Estimated Patent Expiration Date:
June 26, 2018Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
June 26, 2018Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractThe present invention provides compositions and methods for the coating and/or ballistics conditioning of firearm projectiles and firearm components including gun barrels, firearm chambers, fully assembled cartridges, shot gun shells, shotgun wads, shot capsules and sabots with molybdenum disulfide. The composition comprises powdered molybdenum disulfide suspended in a carrier comprising a volatile solvent and a binder selected from cellulosic-, alkyd- and acrylic-resins. Methods for the conditioning of firearm bores by the formation of a hardened layer comprising a product of the reaction or interaction of molybdenum disulfide with materials in the barrel bore are also disclosed.Other References
| InventorAssigneeApplicationNo. 105566 filed on 06/26/1998US Classes:508/118, The organic -C(=O)O- compound is a polymer resulting from polymerization of an olefinic double bond (e.g., ethylene-vinyl acetate copolymer, polyacrylate, etc.)102/511, Lubricating427/407.1, Synthetic resin coating427/419.7, Boride, carbide, nitride, phosphide, silicide, or sulfide-containing coating508/129, With inorganic compound (except water)508/131, With synthetic polymer (e.g., ethylene-propylene copolymer, etc.)508/155, The inorganic compound contains boron (e.g., boron nitride, boramine, etc.)508/167The heavy metal is molybdenum or tungsten (e.g., molybdenum sulfide, etc.)Field of Search508/118, The organic -C(=O)O- compound is a polymer resulting from polymerization of an olefinic double bond (e.g., ethylene-vinyl acetate copolymer, polyacrylate, etc.)508/167The heavy metal is molybdenum or tungsten (e.g., molybdenum sulfide, etc.)ExaminersPrimary: McAvoy, Ellen M.Attorney, Agent or FirmUS Patent References2442155, 3249538, 3390080, 3909424, 4066605, Composition for rehabilitating scored and marred surfacesIssued on: 01/03/1978 Inventor: McBride , et al.4196670, Method of coating bullets to reduce the leading effect thereof on the bores of firearms Issued on: 04/08/1980 Inventor: Vatsvog4239006, Self lubricating sabot Issued on: 12/16/1980 Inventor: Kelson4328750, Plastic coated ammunition and methods of manufacture Issued on: 05/11/1982 Inventor: Oberg , et al.4454175, Method of applying lubricant coating to bullets Issued on: 06/12/1984 Inventor: Martin4465883, Bullet lubricant and method of coating bullets with said lubricant to reduce the leading effect thereof on the bores of firearms Issued on: 08/14/1984 Inventor: Lopata , et al.4731189, Bullet lubricant and method of compounding said lubricant Issued on: 03/15/1988 Inventor: Gregg, Jr.4808324, Lubricant system for sheet and section rolling mills Issued on: 02/28/1989 Inventor: Periard , et al.4858534, Ballistic lubricating and process Issued on: 08/22/1989 Inventor: Wallace5062974, Munitions lubricant and protector Issued on: 11/05/1991 Inventor: Van Meter5233128, Barrel-cleaning bullet Issued on: 08/03/1993 Inventor: Lai5341744, Cleaning shell for firearms Issued on: 08/30/1994 Inventor: Shi5372154, System for cleaning threaded portions of tubular members Issued on: 12/13/1994 Inventor: Bee, et al.5378499Method of applying abrasives to bullets for use in pressure (fire) lapping of gun barrels Issued on: 01/03/1995 Inventor: Martin, et al. International ClassesC10M 125/00C10M 107/00 |
