Grate for covering soil surrounding tree, has grid-shaped element comprising upper surface and lower surface, openings formed in-between upper and lower surfaces, and main surface formed with protective coating

摘要

The grate (1) has a grid-shaped element comprising an upper surface and a lower surface. Openings are formed in-between the upper and lower surfaces of the grid-shaped element. The grid-shaped element is made of Corten steel plate. A main surface is formed with a protective coating. The protective coating includes primer and protective material. An independent claim is also included for a method for manufacturing a tree grate.