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US 2015/0305427 A1Published application
Shock Wave Mitigating Helmets
AssigneeMississippi State University
InventorsRajkumar Prabhu, Mark F. Horstemeyer, Gustavus Alston Rush
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Abstract
Described are helmets that include a shell that has a first layer, a second layer, and a third layer. The second layer is positioned between the first layer and the third layer. The second layer is less dense than the first layer and the third layer.
Claims21
A helmet, comprising:
- a shell that comprises:
- a first portion comprising a first layer, a second layer, and a third layer, wherein the second layer is positioned between the first layer and the third layer, wherein the second layer is less dense than the first layer and the third layer;
- and
- a second portion comprising a plurality of energy dissipators mounted within the second portion of the shell.
1 more element
A helmet, comprising:
- a shell that comprises a first layer and a second layer;
- and
- a plurality of energy dissipators positioned between the first layer and the second layer.
A helmet, comprising:
- a shell that comprises:
- a first layer having a first density;
- a second layer having a second density;
- and
- a third layer having a third density, wherein the second layer is positioned between the first layer and the third layer, and wherein the second density of the second layer is less than both the first density of the first layer and the third density of the third layer.
2 more elements
Dependencies are inferred from the claim text.