Individual protective and breathing equipment for contaminated environments
US5653225A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 23, 1994 |
| Grant date | Aug 5, 1997 |
| Priority date | — |
| Expiry date | May 23, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B18/08
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The equipment comprises a helmet (10) having a rigid shell and inside padding, a balaclava-like hood (26) for separating the head from the environment and designed to be worn directly on the skin, and a mouth-and-nose breathing mask (20) provided with a duct (22) for coupling to an external source of breathable gas, and provided with means (16) for fastening to the helmet. The hood comprises a web (28) in which at least one opening is formed for placing over the eyes of the wearer, and removable transparent goggles (30) provided with means for fastening to the hood and/or to the helmet in a position where the edges of the goggles bear in airtight manner against the web around the opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.