| 摘要 |
PROBLEM TO BE SOLVED: To obtain a pipe joint structure which is suitable for laying a conduit having a vibration resisting function in a towing and propelling method. SOLUTION: According to the pipe joint structure, a receiving port 13 formed at an edge of one of pipes 11 connected together has inserted therein an insertion port 14 formed at an edge of the other pipe 12. A projection 23 formed on the periphery of a front end of the insertion port 14 can abut on a lock ring 21 housed in the receiving port 13 on a depth side of the receiving port. Then a flange 27 is formed on the periphery of the insertion port 14 outside the receiving port 13. Further while the projection 23 formed on the insertion port 14 is located on a depth side of the receiving port 13 away from the lock ring 21, the receiving port 13 and the flange 27 of the insertion port 14 are connected together in a manner capable of transmitting a towing force from the receiving port 13 to the insertion port 14 by a plurality of connection members 26 in a pipe peripheral direction. COPYRIGHT: (C)2008,JPO&INPIT
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