Polymeric material suitable for making ammunition cartridge casings
US8850985B2 · kind B2 · utility
165Cited by
41References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2012 |
| Grant date | Oct 7, 2014 |
| Priority date | — |
| Expiry date | Sep 27, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2261/312
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An ammunition article is provided which comprises a casing and a cap wherein the casing is formed from a polymeric material that has a room temperature notched Izod impact value greater than about 10 ft lbs/in and then has a ratio of notched Izod impact value at room temperature to notch Izod impact value at about −40° C. of less than about 4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.