| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a new renovation method of a floor drain trap, capable of repairing and renovating easily and surely even if an inside surface shape is complicated.SOLUTION: The new renovation method of a floor drain trap includes: a cutting step of cutting a straight pipe section 50, which extends from a drain trap body 10 embedded in a floor part to an under floor while penetrating through the floor part, at a prescribed position; a reproduction member fitting step of inserting a cylindrical thermoplastic reproduction member 200 from a cut part side of the straight pipe section 50 or from a rise-up part side of the trap body 10 into the straight pipe section 50, and holding the reproduction member 200 in a state that a tip of the reproduction member 200 protrudes from the rise-up part; a reproduction member heating/adhesion step of thermally expanding the reproduction member 200 to adhere it onto the inner faces of the rise-up part of the drain trap 10, the straight pipe section 50, and connection parts thereof; and a reproduction member end treatment step of treating the tip and the bottom edge of the reproduction member 200.</p> |
