Plastic coated ammunition and methods of manufacture

Disclosed is a lead bullet having a coating comprised of a thermoplastic composition of molybdenum disulfide and Nylon 11. Nylon 11 per se and other coatings are also disclosed. The coating minimizes or prevents deposition of lead along the barrel and other mechanisms of a firearm. To apply the coat...

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Bibliographische Detailangaben
Hauptverfasser:	OBERG, JAMES L, CURRAN, ROGER J, CZAYKA, MICHAEL
Format:	Patent
Sprache:	eng
Schlagworte:	AMMUNITION BLASTING CHEMISTRY COMPOSITIONS BASED THEREON EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WEAPONS
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Beschreibung
Zusammenfassung:	Disclosed is a lead bullet having a coating comprised of a thermoplastic composition of molybdenum disulfide and Nylon 11. Nylon 11 per se and other coatings are also disclosed. The coating minimizes or prevents deposition of lead along the barrel and other mechanisms of a firearm. To apply the coating, the bullet is initially degreased and heated to clean its surfaces. A phosphate coating is applied and the bullet is heated to a temperature of at least 425 DEG F. The heated bullet is then disposed in blended molybdenum disulfide and Nylon 11 powder, Nylon 11 per se, or other coating materials to obtain a coating thickness within a range of 1-12 mils. The coated bullet is subsequently heated to at least 367 DEG F. to fuse and to densify the coating on the bullet.