| 摘要 |
<p>PROBLEM TO BE SOLVED: To make it possible to connect a block-type perforated pipe and a single pipe arrangement type perforated pipe by fixing a connecting pipe to each inserting hole provided at the other end of a coupling body respectively and causing them to communicate, and connecting each connecting pipe projecting at the other end of the coupling body to each single pipe of a single pipe arrangement type perforated pipe respectively. SOLUTION: One end of a coupling body 1 is a female connecting end 3 to be connected to the male connecting end of a block-type perforated pipe, and a reinforcing ring 4 is fitted and fixed to its peripheral surface, and a recession 5 into which a block-type perforated pipe is inserted is formed concentrically at its end surface. In the opening end of each inserting hole 2 provided at the other end of the coupling body 1, one end of a connecting pipe 6 having a circular cross section is inserted and fixed respectively, is caused to communicate to the opening end of each inserting hole 2 respectively and is arranged in parallel with the axis of the coupling body 1. This connecting pipe 6 is connectable to each single pipe of a single pipe arrangement type perforated pipe respectively, by making its diameter and interval the same as each single pipe of the single pipe arrangement type perforated pipe. Accordingly, it is possible to connect the block-type perforated pipe to the single pipe arrangement type perforated pipe.</p> |
