Protective equipment with fast fixing head
US6588424B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 9, 2001 |
| Grant date | Jul 8, 2003 |
| Priority date | — |
| Expiry date | Nov 9, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B17/04
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention concerns a protective breathing equipment comprising a respirator provided with a regulator designed to be connected to a source of breathing mixture under pressure and a harness having at least an extensible strap whereof the ends are connected to the respirator and comprising an element temporarily inflatable with the pressurised breathing mixture to extend the strap until it reaches a sufficient dimension to enable the user to engage the harness on his head and capable of being emptied to enable the strap, to press the respirator against his face. A flexible envelope covering the head is tightly fixed to the single strap or to the upper strap of the harness and fixed to the respirator; it is transparent at least in the portion opposite the eyes when the equipment is worn.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.