Patent · US Active

Helmet impact attenuation article

US11089832B2 · kind B2 · utility

3Cited by
56References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 2016
Grant dateAug 17, 2021
Priority date
Expiry dateMay 2, 2036

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB32B2571/02
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

An impact attenuation system comprises an aluminum honeycomb sheet having a top surface and a bottom surface. The aluminum honeycomb sheet defines a plurality of approximately hexagonally shaped cells. The bottom surface defines a single sheet of contiguous cells and the top surface defines two or more islands of contiguous cells separated by one or more slits. At least a portion of one or both of the top surface and bottom surface may be covered by a polymer skin. The polymer skin may comprise carbon fibers and/or fiberglass.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.