| 摘要 |
PURPOSE:To connect easily and quickly connecting operation of respective pipings by providing recesses on the joint side, providing projections fitting to the recesses on each piping side, fitting these parts to each other and connecting the pipings with the joints. CONSTITUTION:The 1st joint part 2 to be press-fitted to the 1st piping 10 is provided on one side and the 2nd joint part 3 to be press-fitted to the 2nd piping 11 is provided on the other side. A piping joint 1 provided with >=1 piece of recessed lines 4, 5 extending toward the longitudinal direction is formed on the outside circumference of the respective jont parts 2, 3. The joint parts 2, 3 of the joint 1 are fitted to the respective pipings 10, 11 and thereafter inward projections 10a, 11a to be fitted to the lines 4, 5 are provided to the opposed positions of the pipings 10, 11 to face the lines 4, 5. The pipings 10, 11 are coupled by the joint 1 in such a way that the pipings cannot rotate relatively.
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