| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a noise insulating material for piping which enables simple work execution in a short time. SOLUTION: A noise insulating material 2 for an elbow part and a noise insulating material 3 for a straight pipe part are integrally formed by fixing together respective glass wool-made pipe covers 5, 7 and noise insulating sheets 4, 6, to be also molded in a shape fitted to a drain pipe 1.</p> |
