Helmets comprising ceramic for protection against high energy fragments and rifle bullets
US8887312B2 · kind B2 · utility
29Cited by
27References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2009 |
| Grant date | Nov 18, 2014 |
| Priority date | — |
| Expiry date | Apr 14, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/911
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Helmets for military and other applications that require resistance to high energy fragments and rifle bullets are disclosed. The helmets are fabricated with a combination of ceramic, either as a monolith or as a plurality of discreet pieces, and an inner backing material having a plurality of fibrous layers such as polyolefin and/or aramid fiber layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.