| 摘要 |
<p>A pipe coupling for repair, comprising the separate housings 1 and seal rings 2 to be accommodated in the receiving portions formed in said housings, wherein a holding portion is formed on the internal diameter side of the separate end face 12 in the individual housing to receive the projecting seals 22 formed at the separate ends of the above seal rings and wherein the seal rings form multiple string-shaped ring seals as a single unit between both ends of the above projecting seals by surrounding the portion to be repaired, and having a blocking plug in the above housing for a hole to test the sealing conditions after fixing to a pipe. <IMAGE></p> |
