| 摘要 |
PROBLEM TO BE SOLVED: To develop a Y-form roof tile that can cope with a hipped roof with a corner ridge of any gradient within about 24-25 degrees. SOLUTION: This Y-form roof tile 1 without a collar in opening parts 4, 5 in a corner ridge direction allows a ridge tile M2 of the hip with every gradient from about 24 degrees to about 45 degrees to be fitted to the opening part 4 and a ridge tile M3 to be fitted to the opening part 5. One Y-form roof tile can thereby cope with the hipped roof with any gradient from about 24 degrees to about 45 degrees, and the stability of a placed and fixed standing object is good since the top part is flat.
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