| 摘要 |
PROBLEM TO BE SOLVED: To obtain the subject core mat capable of setting arboreal and herbaceous plants in classified areas, capable of artificially arranging them freely, suitable not only for a general greening process but also an environmental maintenance type process and also suitable for a covering process for surface greening with a surface planting of the shore protection with a basket mat process by constituting it with a specific roll core part, and lower and upper frames. SOLUTION: This thick layer core mat is constituted by a roll core part 2, a lower frame 3 and an upper frame 4, in which the roll core part 2 is constituted with a main body 2A, transversally connected holes and a lower surface cloth surface 2C, wherein the main body 2A is constituted by using a paper as a raw material and adhering many vertical cylinders, the lower surface cloth face 2C is made from a cloth such as a linen, etc., and extended and adhered with the lower surface of the main body 2A, the lower frame 3 is constituted by a stiff wall 3A corresponding to the outer peripheral surface of the main body 2A constituted by using a corrugated paper, etc., a bottom surface 3B and an opening part 3D, and the upper frame 4 is constituted by a side wall 4A constituted as being mounted on the lower frame 3 housing the roll core part 2 from its upper direction, an upper surface 4B, a surrounding edge state stopper 4C, an opening part 4C and an upper surface cloth surface 4E.
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