| 摘要 |
PROBLEM TO BE SOLVED: To provide a flexible tube joint at a low cost. SOLUTION: A retainer of metal 34 has a female thread portion 35 to be fitted on a male thread portion 30 formed at the forefront of a push ring 25 made of metal. When the female thread portion 35 passes the male thread portion 30, the retainer 34 becomes rotable relative to the push ring 25, and the two threads 35 and 30 are engaged with each other. When a flexible tube 1 is inserted, the retainer 34 is pushed wide by the crests 4 at the periphery of a corrugated pipe 2 to admit its passage and then is deformable so as to be engaged with the bottoms 5. The push ring 25 is driven to a cylindrical body 11 made of metal and crushes the portion of corrugated pipe 2 protruding from the forefront of the retainer 34 in tightly contacting condition between the retainer 34 and the abutting surface 20 of the cylindrical body 11.
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