Contoured thickness blank for ammunition cartridges

Contoured thickness blank for ammunition cartridges

An austenitic stainless steel ammunition cartridge (12) includes an outer region (16) and a base, wherein the outer region (16) is about 50% - 80% of the thickness of the base, which serves to minimize the sidewall ironing required to form the cartridge. The cartridge blank (10) can be formed by spi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SCHERRER, DANIEL KEITH, DOUTHETT, JOSEPH ALAN
Format: Patent
Sprache:eng
Schlagworte:
AMMUNITION
BLASTING
EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
HEATING
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Beschreibung
Zusammenfassung:An austenitic stainless steel ammunition cartridge (12) includes an outer region (16) and a base, wherein the outer region (16) is about 50% - 80% of the thickness of the base, which serves to minimize the sidewall ironing required to form the cartridge. The cartridge blank (10) can be formed by spin forming, compression forming, grinding, or a combination thereof. Tooling (76) to form the blank (10) can include at least a pair of blocks (80) and inserts (78), at least one insert defining a centrally positioned aperture (82).