| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an insect screen retaining the air-permeability, improving the mechanical strength and enhancing the insect screening effect. <P>SOLUTION: The insect screen 10 is to compose a net greenhouse A for cultivating crops. The insect screen 10 includes a film base material 11 in which a number of holes 12 are formed, and linear members 15 disposed within the respective holes 12 of the film base material 11. The film base material 11 with the holes 12 retains the mechanical strength and air-permeability. The insect screening effect of the net is improved by the linear members 15 disposed within the holes 12 of the film base material 11. <P>COPYRIGHT: (C)2012,JPO&INPIT |
