| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a fireproof and soundproof rolling tool for improving the soundproofing and fireproof performance of a jointing portion between mutual fireproof and soundproof covers. <P>SOLUTION: The rolling tool comprises a fireproof and soundproof body 4 that is superior in fireproof and soundproofing performance, having sufficient length to wind around the outer periphery of the joint portion B between both cylindrical fireproof and soundproof covers 2, 2 externally fitted to a pipe 1, and a rolling means 3A for holding the fireproof and soundproof body 4 in the condition of rolling the joint portion B between both fireproof and soundproof covers 2, 2. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
