| 摘要 |
An air bladder-like backflow prevention stopper is provided that the drained water remains behind with the fixed amount in the normal times since the backflow prevention cap is set up. An air bladder-like backflow prevention stopper comprises a storage vessel(110) forming the jaw(111) on the inner side center part, an air bladder part(120) positioned in the jaw of storage vessel, and a fixing unit equipped in the upper of the air bladder part. The air bladder part comprises the backflow prevention unit(126) consisting of the packing member. The air bladder part has the structure of preventing that the fluid flows back to the inside of storage vessel. |
