Patent · US Active

Cartridge case having a neck with increased thickness

US11913764B2 · kind B2 · utility

1Cited by
12References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 12, 2020
Grant dateFeb 27, 2024
Priority date
Expiry dateOct 12, 2040

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF42B5/307
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A high strength polymer-based cartridge casing inclosing a volume includes a first end having a mouth, a neck extending away from the mouth, a shoulder extending below the neck and away from the first end, a cartridge body formed below the shoulder, an insert attached to the cartridge body opposite the shoulder, and a projectile disposed in the mouth having a particular caliber. The neck has a neck thickness that is about 25% to about 125% greater than a standard neck thickness for the particular caliber as detailed by a standards organization. Also, the neck, the shoulder, and the cartridge body are formed from a polymer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.