| 摘要 |
PROBLEM TO BE SOLVED: To enable side ends of panel units to be stably connected together in a good-looking manner by providing a side end of the panel unit with a good-looking double frame structure of inside and outside frames so as to increase strength. SOLUTION: At least either of vertical frames 5a at both the side ends of a frame, and one side end of a stretched material 6 stretched over the vertical frame 5a are inserted into a hollow hole 8 inside a connecting frame 7, the vertical dimension of which is made smaller than that of the vertical frame 5a, and a slit 9 which is formed in the inside surface of the connecting frame in such a manner as to communicate with the hollow hole 8; side ends of upper and lower horizontal frames 5b of the frame are connected to upper and lower ends, protruding from the connecting frame 7, of the vertical frame 5a; and the connecting frames 7 of the panel units 2 adjacent to each other are connected together by means of a connecting material. COPYRIGHT: (C)2007,JPO&INPIT
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