TREE PROTECTION BLOCK WITH THE REMARKABLY REASONABLE PRICE COMPARE TO CONVENTIONAL TREE PROTECTION BLOCKS

摘要

PURPOSE: A tree protection block is provided to reduce the generation of damages on trees by the external impact by producing a second layer of the block with sawdust, waste glass, or slag.;CONSTITUTION: A tree protection block comprises the following: a first side surface(130), and a second side surface(150) vertically installed on one end(135) of the first side surface; a fourth side surface(170) vertically installed on the other end(140) of the first side surface; a third side surface(160) extended from the end(155) of the second side surface; and a curvature unit(200) in an arc or an edge shape, formed in between the third side surface and the fourth side surface.;COPYRIGHT KIPO 2012