Ammunition and explosive-charge making – Ammunition making – Caps and cartridges
Reexamination Certificate
2006-02-21
2006-02-21
Johnson, Stephen M. (Department: 3641)
Ammunition and explosive-charge making
Ammunition making
Caps and cartridges
C102S502000, C102S516000
Reexamination Certificate
active
07000524
ABSTRACT:
A method for the manufacture of a projectile for small-bore weapons ammunition comprising the steps of producing a compact from a mixture of a heavy metal powder and a light metal powder at room temperature, and without further treatment of the compact, introducing the compact into a metal jacket, including pressing the compact into the jacket with a pressure sufficient to ensure substantially complete filling of a selected portion of the jacket by the compact. The compacts fill less that the entire volume of the jacket, leaving a portion of the jacket void of the compact. Prior to the pressing of the compact into the jacket, a disc having an outer diameter substantially equal to the internal diameter of said jacket adjacent the open end thereof is introduced into the jacket. Thereafter, that portion of the jacket adjacent its open end is infolded toward the longitudinal centerline of the jacket to at least substantially close the open end of the jacket.A unique projectile and a round of ammunition formed with the projectile are disclosed.
REFERENCES:
patent: 1992216 (1935-02-01), Kirst et al.
patent: 3318244 (1967-05-01), Rostocil
patent: 3517619 (1970-06-01), Niemann
patent: 3977324 (1976-08-01), Stevenson et al.
patent: 5913256 (1999-06-01), Lowden et al.
patent: 2 170 301 (1986-07-01), None
Doris Nebel Beal Inter Vivos Patent Trust
Johnson Stephen M.
Pitts & Brittain, P.C.
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