| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a solar panel easily and inexpensively manufacturable, free from the drift of a heat medium and having high heat receiving efficiency. <P>SOLUTION: In this solar panel 1 for collecting the solar heat in a hot water supply system utilizing the solar heat, by heating the water in a hot water storage tank by circulating the heat medium heated by utilizing the solar heat, a groove 7 is continuously formed on a lower plate 5 at a proper interval, and an upper plate 3 of a flat plate is joined to the lower plate 5 by a proper method. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
