| 摘要 |
<p>PROBLEM TO BE SOLVED: To attain cost reduction by simplifying the jointing structure of the jointed part of wiring ducts. SOLUTION: There is provided a jointing plate 41, which covers a bottom void 40 formed between the bottom parts of the end parts of respective ducts 10a, 10b, 10c when three ducts 10a, 10b, 10c are jointed to be T-shaped, when viewed from the top. The jointing plate 41 has a first inserting part 42a entering the end part of the first duct 10a, a second inserting part 42b entering the end part of the second duct 10b, and a third inserting part 42c entering the end part of the third duct 10c and formed with a side plate part 44 covering a side void 43, formed between the sides of the first duct 10a and the second duct 10b both of which are disposed on a straight. A lid member 46 is provided which covers an upper void 45, formed between the upper sides of the end parts of the respective ducts 10a, 10b, 10c.</p> |
