| 摘要 |
For simply and reliably coupling first and second fluid devices, a fluid device connecting structure is arranged to couple first and second connection parts of the first and second fluid devices by use a coupling member by placing a resin seal member in seal grooves formed in the connection parts. The first connection part includes a first mounting groove for attachment jig and a first fitting groove provided between the first mounting groove and an end face of the first connection part to receive the coupling member. The second connection part includes a second mounting groove for the jig and a second fitting groove provided between the second mounting groove and an end face of the second connection part to receive the coupling member. The coupling member includes a plurality of split members each including a first projecting portion held in contact with an end-face-side inside surface of the first fitting groove and a second projecting portion held in contact with an end-face-side inside surface of the second fitting groove, the first and second projecting portions being arranged at a predetermined distance.
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