Ammunition cartridge
US9335134B2 · kind B2 · utility
7Cited by
6References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 28, 2014 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | May 18, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42B33/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An ammunition cartridge has a casing and a bullet. The casing has a tubular body closed at one end and attached at the other end to the bullet. An internal surface of the casing attached to the bullet is provided with a coating of copper oxide. The copper oxide may be black, for example black cupric oxide. The coating can result in a more consistent and reliable separation of the bullet from the coated casing compared to an uncoated casing and this can assist the accuracy of the ammunition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.