Shock attenuation barrier
US6174587A · kind A · utility
51Cited by
13References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 2, 1998 |
| Grant date | Jan 16, 2001 |
| Priority date | — |
| Expiry date | Dec 2, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249989
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A shock attenuation barrier including a plurality of layers successively arranged including a first layer, a second layer having a plurality of molded geometric shapes, a third layer including foam, a fourth layer having a plurality of molded geometric shapes and a fifth layer. Cavities defined by inside surfaces of the geometric shapes and a surface of the foam layer preferably are filled with a shock absorbing filler material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.