Protective equipment for the head comprising a breathing mask and an optical screen
AssigneeIntertechnique
InventorsAlain Dubruille, Frederic Berthet
Life of this patent
Estimating the term…
Abstract
The protective equipment for the head comprises a breathing mask provided with a harness and connectable to a source of breathing gas, together with a screen (22) for protecting the eyes against smoke, the screen being provided with a peripheral sealing gasket (26) that presses against the face and against the mask. The mask and the screen are distinct and separable. Manually releasable locking means lock the screen to the mask and bear against the mask so as to press the gasket against the face. The equipment is particularly intended for use by aircraft flight crew members.
Claims12
A protective headgear comprising:
- a breathing mask connectable to a source of breathable gas;
- a harness for applying said breathing mask on a wearer's face;
- and
- a transparent eye shield for protecting the wearer's eyes against smoke, having peripheral sealing means arranged for being sealingly applied against the face and against said breathing mask;
- said eye shield and breathing mask being separate and including mutually cooperating locking means for releasibly locking the eye shield onto the mask and forcibly applying said sealing means onto the face when locked.
A protective headgear comprising:
- a breathing mask connectable to a source of breathable gas;
- a harness for applying said breathing mask on a wearer's face;
- and
- a transparent eye shield devoid of harness, for protecting the wearer's eyes against smoke, having peripheral sealing means arranged for being sealingly applied against the face and against said breathing mask;
- said eye shield and breathing mask being separate and including mutually cooperating locking means for releasibly locking the eye shield onto the mask and forcibly applying said sealing means onto the face when locked.
Dependencies are inferred from the claim text.