| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an agricultural greenhouse free from occurrence of a gap between the inner surface of a covering sheet and a wall surface in the vicinity of an open window when spreading the covering sheet the one edge of which is fixed to the wall surface or the like to cover the open window. <P>SOLUTION: The agricultural greenhouse such as a plastic house 1 having open windows 6 formed at prescribed portions of the wall surface formed of a sheet 3, includes a covering sheet 9 which makes the open windows 6 openable, and a gap occurrence preventive tool 10 preventing the occurrence of the gap between the inner surface and the wall surface each of the covering sheet 9 when the covering sheet 9 covers the open window 6. One edge 9a of the covering sheet 9 is fixed to an upper frame part 5d forming the open window 6. The gap occurrence preventive tool 10 includes a belt-like base part 11 extending along the frame part of the open window 6 and made of hard resin material, and a blade 12 extending to a direction orthogonal to the longitudinal direction from the base part 11. The base part 11 is attached to a frame part 5b forming the open window 6. <P>COPYRIGHT: (C)2010,JPO&INPIT |
