Helmet having high pressure non-bursting gas cells
US10561191B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Jun 2, 2016 |
| Grant date | Feb 18, 2020 |
| Priority date | — |
| Expiry date | Sep 5, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41H1/04
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A helmet having non-bursting gas cells preferably includes a hard helmet shell, an outside gas cell impact layer and an inside gas cell impact layer. The outside gas cell impact layer preferably includes at least one gas cell layer and an outside layer of sheet material. Each gas cell layer includes a plurality of gas cells created between two plastic sheets. The inside gas cell impact layer includes the at least one gas cell layer. The inside and outside gas cell impact layers may be permanently or removably attached to hard helmet shell. A second embodiment of the helmet having non-bursting gas cells preferably includes the hard helmet shell, the outside gas cell impact layer and an inside gas cell inflatable impact layer. The inside gas cell inflatable impact layer preferably includes at least one inflatable gas cell layer and a check valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.