| 摘要 |
<p>PURPOSE:To provide a pipe joint suited for curve propelling though the pipe joint is provided with a separation preventing function. CONSTITUTION:A seal material 9 is compressibly constituted between an internal peripheral surface of a socket 2 and a peripheral surface of a spigot 4, and a protruded part 31 is formed in an internal surface of the socket 2 in a side deeper than this seal material 9. An annular groove 32 is formed in the periphery of the spigot 4. The inserting mouth is inserted into the socket 2, and when the annular groove 32 is positioned in a deep side of the socket 2 from the protruded part 31, a lock ring 33 is fitted to the annular groove 32. The lock ring 33 is fixed to the annular groove 32 from inside a pipe by a fixing bolt 36 and made engageable with the protruded part 31.</p> |
