| 摘要 |
PURPOSE: A waterproof zipper is provided to improve waterproof efficiency by integrating a zipper tape with a rail. CONSTITUTION: A waterproof zipper comprises a pair of zipper units which are formed with rails (21) on the facing surfaces thereof and a slider which is installed on the rails and separates or combines the rails. The rails are formed with a bent unit in the direction of the slider. The bent unit is formed on the inner surface of the rails and changes the shape of a groove and a protrusion. The bent portion has the shape of a curve in which peaks and valleys are uniformly repeated. The bent portion is formed in a zigzag shape. |
