Energy absorbing material
US7794827B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 9, 2008 |
| Grant date | Sep 14, 2010 |
| Priority date | — |
| Expiry date | Mar 10, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249976
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A self-supporting energy absorbing composite includes: i) a solid foamed synthetic polymer matrix; ii) a polymer-based dilatant, different from i) distributed through the matrix and incorporated therein during manufacture of i); and iii) a fluid distributed through the matrix. In another embodiment, a self-supporting energy absorbing composite includes: iv) a solid, closed cell foam matrix; v) a polymer-based dilatant, different from i), distributed through the matrix; and vi) a fluid distributed through the matrix. In both embodiments, the combination of matrix, dilatant and fluid is such that the composite is resiliently compressible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.