Ammunition cartridge containing a polymer composition
US11434368B2 · kind B2 · utility
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26References
35Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 4, 2021 |
| Grant date | Sep 6, 2022 |
| Priority date | — |
| Expiry date | Mar 4, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42B5/313
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An ammunition cartridge comprising a casing body that defines a hollow interior configured to receive a projectile is provided. The casing body contains a polymer composition that includes a polyarylene sulfide and an impact modifier. The impact modifier includes an epoxy-functionalized polymer. Further, the polymer composition exhibits a notched Charpy impact strength of about 6 kJ/m2 or more as determined at a temperature of 23° C. in accordance with ISO Test No. 179-1:2010.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.