| 摘要 |
PROBLEM TO BE SOLVED: To provide a flexible tube connector for an endoscope of stable quality without operating a torsion force at the end of a flexible tube by rigidly sandwiching the end of the tube between tapered surfaces in combination of screwed components and fixedly connecting the tube. SOLUTION: The flexible tube connector for the endoscope comprises the male threads 11a of the connecting tube 11 and the female threads 13a of a pressing thread ring 13 engaged with the male threads 11a of the tube 11. Thus, the ring 13 axially presses a tapered inner surface cylinder 12, a flexible tube 3 is sandwiched between the inner surface of the cylinder 12 and the outer surface of the tube 11 to be fixed to the tube 11. The tube connector further comprises rotation restricting members 15, 16 for restricting the rotation of the cylinder 12 so that the cylinder 12 may not rotate around the axis to the tube 11.
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