| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent detachment of a bonded part of a film due to inner pressure, in a watering tube in which the film is partially bonded to each other and formed in a tubular shape. <P>SOLUTION: The watering tube 1 includes a main tube 10 with a water conveyance path and a branch tube 20 with a water supplying path 22. One end of the water supplying path 22 is connected to the water conveyance path, while the other end the water supplying path 22 is opened toward the outside of the watering tube 1. The main tube 10 includes the film formed into a tubular shape, a sealing part and a main tube connection part 93. The sealing part is formed by bonding an area where one surface and the other surface of the film face each other, and has at least one film end of the film on a side of the water conveyance path. The film end of the sealing part forms a stepped part with the film of an inner surface of the main tube 10. The main tube connection part is formed by bonding a part including one side and the other side of the stepped part to the inner surface of the main tube 10 facing the film end. <P>COPYRIGHT: (C)2013,JPO&INPIT |
