| 摘要 |
PROBLEM TO BE SOLVED: To provide a corner joint simply joining a vertical supporting rod with horizontal supporting rod by utilizing the conventional joining structure of the supporting rods, and also suitable for the use in reinforcing arch pipes in a PVC green house. SOLUTION: This corner joint 3 for joining the horizontal supporting rod 2 with the vertical supporting rod 1 in a direction of crossing at right angle consists of a holding as embracing frame 4 consisting of a U or C-formed cross sectional main body 4A for holding as embracing the vertical supporting rod 1, a socket 5 consisting of a cylindrical body 5A installed as extended in the direction of crossing at right angle to the main body 4A at the upper part of rear end of the main body 4A, a pair of nipping pieces 6, 6 installed in opposing direction to the socket 5 at the upper part of front side of the main body 4A, and engaging holes 7, 7 installed each as opposing to each of the nipping pieces 6, 6. COPYRIGHT: (C)2008,JPO&INPIT
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