| 摘要 |
PURPOSE: A tube with an automatic expansion function is provided to facilitate carrying and keeping the tube by minimizing the volume of the tube according to the compression of an elastic body. CONSTITUTION: A tube with an automatic expansion function comprises a body (110), an elastic body, an air supply nozzle (130), and fixing members (140a,140b). The body forms the outer shape of the tube. The elastic body is equipped inside the body. The air supply nozzle is mounted on the upper part and the lower part of the body respectively. The fixing members wrap around the outer circumferential surface of the tube to maintain the compressed state of the tube when the tube is compressed since an external force rolls up the tube with the air supply nozzle which is opened. The shape of the tube is restored since the tube is expanded by the elastic force of the elastic body when the compressed tube is thrown after the fixing members are released.
|
