| 主权项 |
1. A flame resistant protective head shield, comprising:
a hollow body having a neck receptacle to facilitate the body being positioned around a neck of a wearer, the body having an exterior surface and an interior surface, the interior surface defining an interior cavity, an opening being provided in the exterior surface in communication with the interior cavity; a flexible flame resistant substrate having a secured end and a free end, the secured end is secured to the body, the substrate being movable between a stored position within interior cavity and a deployed position in which the free end of the substrate extends through the opening and upwardly to cover a head of the wearer; a pressurized gas powered actuator to move the substrate in a fraction of a second from the stored position to the deployed position; and a sensor for detecting a flash fire coupled to the actuator, deployment of the substrate by the actuator being triggered by the sensor detecting a flash fire. |
