| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a watering tube which suppresses dispersion in the amount of water supply for each water supply hole. <P>SOLUTION: The watering tube includes: a main pipe 10 which has a liquid conveying passage 11; and a branch pipe 20 which is provided at a periphery of the main pipe 10 and has a communicating hole 21 provided between the liquid conveying passage 11 and the main pipe, a water supply hole 22 which is headed toward the outside, and a water supply channel 23 which extends between the communicating hole 21 and the water supply hole 22. The water supply channel 23 contains at least a pair of linear parts 23a and a connecting part 23b which connects this pair of linear parts 23a. Inner diameter of the connecting part 23b is larger than the inner diameter of the linear part 23a. <P>COPYRIGHT: (C)2012,JPO&INPIT |
