| 摘要 |
PURPOSE: A connecting pipe for synthetic resin pipe is provided to connect the synthetic resin pipe securely by using rubber rings and adhesives. CONSTITUTION: A connecting groove(12) formed of a connecting surface(13), an inner supporting surface(14) and an outer supporting surface(15) integrally is provided in both connecting ends of an elbow connecting pipe(11). A plurality of rubber rings(16) is formed in inner circumference of the inner supporting surface and the outer supporting surface. An adhesive is coated on the connecting surface, the inner supporting surface, and the outer supporting surface. The synthetic resin pipes are connected tightly by the adhesive and the rubber rings.
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