Cartridge case having a neck with increased thickness
US10809043B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2018 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Sep 29, 2038 |
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, a 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.