| 摘要 |
PROBLEM TO BE SOLVED: To make grass mass storage easily and at low cost, when storing a large amount of grass mass to keep off from rain water on the ground such as farm field. SOLUTION: A cover device of grass mass aggregate, which enables covering an aggregate 4 of grass masses 3 aggregated on the ground surface 1 from the out side as one body, after forming multiple grass masses 3 having each predetermined form and formed of grass 2, is provided. The cover device of the grass mass aggregate 4 includes a cover body 13 of a sheet material extending in the horizontal direction and having a reversed U form section in the view along the longitudinal direction thereof and covering an aggregate 4 from the upper side, and end covering bodies 15 closing an opening 14 of one end part in the longitudinal direction of the covering body 13. The upper part 19 of the cover body 13 is formed of a water resisting material while the lower part 21 is formed of an air permeation material. COPYRIGHT: (C)2011,JPO&INPIT |
