| 摘要 |
PURPOSE:To lengthen the safety floating time of life-saving clothes by providing an air-sac at the positions corresponding to the rear head section and back section of an insulative double inner suit for enclosing the body completely. CONSTITUTION:The inner and outer suits 1, 2 are fastened at the neck 5, both sides of fastener 6, sleeve, etc. through a hook, hock and fastener. An air-sac for letting to assume an upward attitude automatically is provided at the front of the outer suit 2. A small air-sac 17 is provided at the rear of a hood 16 and when the air is filled in the back air chamber 13, the distance between nose, mouth and water level can be maintained for permitting to assume an easy attitude. When wearing the suit and dividing into the water, a cylinder or a chemical gas producing device 21 is allowed to function by the water to discharge gas thus to provide the inner pressure. Consequently a safe waiting time is obtained while simultaneously it is effective for preventing drowning under cold environment. |
