| 摘要 |
PROBLEM TO BE SOLVED: To obtain a connection structure capable of easily carrying out connection work with a simple constitution, having strong pulling strength of a connecting section, enduring permanent use and being easily loaded and unloaded also as temporary use. SOLUTION: Plate-like interlocking bodies 2 having elasticity are provided to a connection pipe body 1 with a required length, the interlocking front end sections 3 having the front ends elastically energized to rain water drain outlet 6 in a stretching state in the outward direction under the incline respectively provided to the plate-like interlocking bodies, the basic ends of the interlocking bodies are provided near the upper part of the connection pipe body, swelling sections 4 having swells inside of the connection pipe body from the basic ends are formed, at the same time, each front end is formed in an approximately hooked claw-shape in the outward direction under the incline, and interlocking release members are respectively provided to their required sections of the interlocking bodies as the temporary use. COPYRIGHT: (C)2005,JPO&NCIPI
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