Grey compounded infrared absorbing spectacles, goggles, faceshields and hood windows used in personal protective equipment for arc flash hazards
US10921615B2 · kind B2 · utility
0Cited by
0References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 2015 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | May 18, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/061
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An improved personal protective device and composition thereof. The device comprises arc flash spectacles or goggles, an arc flash faceshield or an arc flash hood window to provide optical clarity, specifically color acuity. The spectacles or goggles, the faceshield and the hood window include polycarbonate material for high-impact, high-mass performance, and surface charring during arc flash exposure and provides an arc flash protective rating of at least 4 cal/cm2 (in the case of eyewear and face shields) or at least 15 cal/cm2 (in the case of hood windows).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.