Ammunition and explosives – Cartridges – Projectile structure
Patent
1993-09-20
1996-02-13
Tudor, Harold J.
Ammunition and explosives
Cartridges
Projectile structure
86 19, 102430, 102511, 102515, F42B 1282
Patent
active
054904633
ABSTRACT:
A match performance 0.22 caliber cartridge having improved accuracy provided as a result of being manufactured with an improved base wall construction, and a thinner, less dense, more uniform and more effectively located lubricant coating on the bullet as compared to the 0.22 caliber cartridges utilized heretofore in match competition; and as a result of a lubricant groove which is located most advantageously and is manufactured with an optimum depth.
REFERENCES:
patent: 1107519 (1914-08-01), Hoagland
patent: 1732211 (1929-10-01), Olin et al.
patent: 1780566 (1930-11-01), Pedersen
patent: 2346124 (1944-04-01), Dew
patent: 3097169 (1963-07-01), Hall
patent: 3356029 (1967-12-01), Seidel
patent: 4454175 (1984-06-01), Martin
patent: 5216199 (1993-06-01), Bjerke et al.
patent: 5275108 (1994-01-01), Chernicky
Frost, Ammunition Making--An Insider's Story, The National Rifle Association, 1990.
Callahan Shawn F.
Johnson Daniel N.
Lamberty Bruce R.
Federal-Hoffman Inc.
Tudor Harold J.
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