| 摘要 |
PURPOSE: A nitrogen bag assembly for blocking a gas pipe is provided to prevent a nitrogen bag from bursting by pinholes formed on an inner wall. CONSTITUTION: A nitrogen bag assembly for blocking a gas pipe comprises a nitrogen bag(10), a first fix unit(20), a second fixing unit(30), a central rod(40), a gas pipe(50), an adapter(60), and a middle ball(70). The nitrogen bag is included of nitrogen bag members. The first fix unit fixes each one end of nitrogen bag members. The central bar is arranged in the inner side of the nitrogen bag. The middle keeps the center of the nitrogen bag which is inflated. The outside nitrogen gas flows in through a gas inlet of the gas pipe. The other end part of the central bar is inserted into the gas pipe. The adapter is adjacently combined to the second fixing unit.
|
