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| Number | Title | Issue Date |
| 7390026 | Housing type joint A housing type joint including: a housing formed by arranging at least three arcuate segments in a circumferential direction with gaps; an elastic ring arranged in the housing for hermetically sealing end portions of a pair of pipes; a fastening band arranged so as ... | 06/24/2008 |
| 6076861 | Housing type pipe coupling Each of the circular coupling segments 20 has pipe fastening parts 24, 25. One pipe fastening part 24 has a protrusion 26 to be in contact with the side surface 3a of the circumferential groove 3 of one pipe 4 nearer to the end of the pipe 4 in one of the... | 06/20/2000 |
