| 摘要 |
The present invention provides an insert device for removing a broken pipe, comprising an adaptor and a ring type-insert. The adapter comprises; a body inserted into a socket of a socket wrench; and a pressurizing support part extended from an upper surface of the body. The pressurizing support part comprises: a first curved surface and a second curved surface. The first curved surface has a first concave surface extended from a first convex surface. The second curved surface has a second convex surface arranged to be symmetrical to the first convex surface based on a point and a second concave surface arranged to be symmetrical to the second concave surface based on a point. The ring type-insert has an outer surface in contact with an inner surface of the damaged pipe and has one side having an opened ring-shape. Moreover, the ring type-insert has a diameter, which can be expended as the pressurizing support part of the adapter is inserted into an interior hollow space of the ring type-insert and is rotated. According to the present invention, the damaged pipe can easily be removed. |
