| 摘要 |
PROBLEM TO BE SOLVED: To provide a clamp for visually confirming whether or not a gasket is uniformly fastened on the circumference by the actual thing, when fastening a sanitary pipe and an adjacent sanitary pipe by the clamp by interposing the gasket between ferrules. SOLUTION: A clamp union joint for the sanitary pipe is assembled by being fastened by the clamp 1 by sandwiching the gasket 6 by the ferrules 2F and 3F. Observation ports 11H, 12H and 13H are respectively arranged on the circular arc part outer periphery of circular arcuate clamp bands 11, 12 and 13. COPYRIGHT: (C)2009,JPO&INPIT
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