| 摘要 |
<p>The present invention relates to a tube support and, more specifically, to a filler for a tube, which is provided inside a tube to inflate with the injection of air to support the tube and to allow air to flow into the tube. According to the present invention, the filler for a tube to be joined to the inside of the tube, which has a valve to allow air to flow in to be filled with the air in order to maintain the shape, gets narrower toward the center from the top and the bottom. The top and the bottom of the filler for a tube are joined to the inside of the tube.</p> |
