| 摘要 |
PROBLEM TO BE SOLVED: To provide a fence for preventing the invasion of birds or an animals, obtained by removing conventional defects by adversely utilizing the excellent visual sense and sense of smell possessed by birds or animals, or by shielding the sight just before the eyes by utilizing the habit of birds or animals in addition to a conventional protecting method. SOLUTION: The fence for preventing the invasion of birds or animals is constituted by inserting one protective material having holes formed at the crossing parts between vertical iron wires and horizontal iron wires when forming a lattice-like net by welding a plurality of the vertical iron wires arranged at equal intervals to a plurality of the horizontal iron wires at a prescribed interval. COPYRIGHT: (C)2010,JPO&INPIT |
