9mm cartridge casing

Details 9mm cartridge casing 9mm cartridge casing

1992-09-03

1994-01-11

Tudor, Harold J.

Ammunition and explosives

Cartridges

Case

102469, F42B 528

Patent

active

052771199

ABSTRACT:
The present invention shows an improved 9 mm cartridge casing having greater strength and reliability. This cartridge casing is a substantially hollow cylinder of a suitable metallic material with a length of about nine hundred thousandths of an inch (0.900 in.). The casing is unique in that its external dimensions include a first end portion having an outer diameter of from about three hundred ninety-two thousandths of an inch (0.392 in.) to about four hundred one thousandths of an inch (0.401).
The casing also has an opposite end portion with an outer wall which uniformly decreases in diameter from a diameter of from about three hundred ninety-two thousandths (0.392 in.) to about four hundred and one thousandths of an inch (0.401 in.). to an diameter of about three hundred eighty thousandths of an inch (0.380 in.).

REFERENCES:
patent: 4483251 (1984-11-01), Spalding
patent: 5094169 (1992-03-01), Evitts
patent: 5187324 (1993-02-01), Ricco, Sr.
Cartridges of the World by Barnes, Follett Publishing Co. 1965, pp. 177 and 178.
Lyman Reloading Handbook for Rifle, Pistol and Muzzle Loading 1970, pp. 164 and 165.

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