| 摘要 |
PROBLEM TO BE SOLVED: To expose a flexible tube properly and securely without causing a failure when joining a corrugate tube of the flexible tube by exposing it by required length in construction at site. SOLUTION: Ring bodies 14a, 14b fitted detachably into outer periphery of the flexible tube are split rings connected by a hinge at one end. Open ends of the split rings 14a, 14b can be locked by a lock pin so as to engage and disengage. When the flexible tube is inserted into a pipe joint 5, the pin moves in the axial direction due to abutment with an open end of the pipe joint 5 to release locking. COPYRIGHT: (C)2004,JPO
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