Cartridge case having a neck with increased thickness
US12247817B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2024 |
| Grant date | Mar 11, 2025 |
| Priority date | — |
| Expiry date | Feb 26, 2044 |
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, with 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 and a cartridge body formed below the shoulder. An insert is attached to the cartridge body opposite the shoulder and having a centerline. A projectile is disposed in the mouth having a particular caliber. The neck, the shoulder, and the cartridge body are formed from a polymer. The shoulder comprises a shoulder angle that is standard for the particular caliber. The neck has a neck thickness greater than a standard neck thickness for the particular caliber, and a neck length longer than a standard neck length for the particular caliber as detailed by a standards organization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.