| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a barn sustaining inside of a barn body in a comfortable environmental condition to livestock in winter season. <P>SOLUTION: The barn is provided with an inside net 11 and an outside net 12 facing each other at a distance through an opening 10 of the roof 7 of the barn body 2. The barn has an inside lowering curtain 21 vertically moving adjacent of an opposite face to the opening 10 side of the inside net 11, and an inside winding shaft 22 winding the inside lowering curtain 21. The barn has an outside lowering curtain 23 vertically moving adjacent of the opposite side face of the opening 10 of the outside net 12, and an outer winding shaft 24 winding the outside lowering curtain. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
