| 摘要 |
<p>The present invention relates to an immersion tube for repairing a water pipe using a polyurethane resin layer wherein a woven fabric is impregnated with a polyurethane resin and a polypropylene film layer, and a method for manufacturing the same. Moreover, the immersion tube for repairing is installed to be attached to the inside of a pipe as being expanded by being inverted and inserted into the pipe. According to the present invention, the immersion tube for repairing a water pipe comprises: a polyurethane resin layer (11) wherein a first woven fabric (2a), a non-woven fabric or a glass fiber (3), and a second woven fabric (2b) are stacked, and wherein the non-woven fabric or the glass fiber (3), the first woven fabric (2a), and the second woven fabric (2b) are impregnated with a polyurethane resin; and a film layer (5) with which the polyurethane resin layer (11) is coated.</p> |
