| 摘要 |
<p>The present invention relates to a cap having a foaming pad and a towing pipe coupled with the same. The cap of the present invention comprises: a body part having opened both ends; and a foaming pad mounted on an inner circumferential surface of the body part, wherein the foaming pad is mounted to open both ends of the body part and to close the opened body part by being expanded in the body part during heating. According to an embodiment of the present invention, the body part includes: a ring plate which has a ring shape; and a plurality of leg parts spaced apart from each other along the circumference of the ring plate to protrude toward one side, wherein the ends of the leg parts are away from each other to expand the diameter when the foaming pad is heated. According to another embodiment of the present invention, the body part includes: a head part; and a screw part which protrudes toward one side surface of the head part to form a thread on an outer circumferential surface, wherein the body part is formed to open the head part and the screw part along a longitudinal direction.</p> |
