Neck polymeric ammunition casing geometry
US9528799B2 · kind B2 · utility
200Cited by
104References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 13, 2015 |
| Grant date | Dec 27, 2016 |
| Priority date | — |
| Expiry date | Jan 13, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42B5/025
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Ammunition casings that have optimal external cartridge dimensions for polymeric cases are provided. Polymeric ammunition cartridges and casings are presented having a neck portion of the polymeric case dimensioned for optimal fit within a firearm chamber. The polymeric ammunition casing may include one or both of an extended neck region and an internal cannelure engaging portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.