Individual protective device, in particular against nbc attacks
First Claim
1. A device for breathing and possibly for providing NBC protection, the device having a mouth-and-nose mask with a breathing gas admission and a breathe-out outlet provided with a breathe-out check valve and with a breathing gas coupling piece carried by an element which is distinct from the mask and worn directly on the head, the device being characterized in that the coupling piece includes a passage that is connectable in leaktight manner to the mouth-and-nose mask feed and a lateral pipe (34) taking the connection with the breathing gas feed (32) rearwards.
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Accused Products
Abstract
A device for breathing and possibly providing NBC protection, the device comprising a mouth-and-nose mask with a breathing gas admission and a breathe-out outlet provided with a breathe-out check valve and with a breathing gas coupling piece carried by an element which is distinct from the mask and worn directly on the head. The coupling piece includes a passage that is connectable in airtight manner to the mouth-and-nose mask feed and a lateral pipe (34) taking the connection with the breathing gas feed (32) rearwards.
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Citations
11 Claims
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1. A device for breathing and possibly for providing NBC protection, the device having a mouth-and-nose mask with a breathing gas admission and a breathe-out outlet provided with a breathe-out check valve and with a breathing gas coupling piece carried by an element which is distinct from the mask and worn directly on the head,
the device being characterized in that the coupling piece includes a passage that is connectable in leaktight manner to the mouth-and-nose mask feed and a lateral pipe (34) taking the connection with the breathing gas feed (32) rearwards.
- 7. A device for protecting an individual, the device comprising a hoop secured to a hood (42) or a helmet, and optionally a face cover provided with fastenings enabling it to be pressed in airtight manner against the hoop, said hoop being provided with a hose for feeding breathing gas to the face cover or directly to a mouth-and-nose mask contained in the face cover or connectable thereto, the device being characterized in that an element worn directly on the head is provided with a duct connecting a socket for receiving an inlet in the face cover or the mouth-and-nose mask to a lateral coupling for supplying breathing gas and placed behind said socket.
Specification