| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a case, a lid and a case for a drain and others, and a mosquito-repellent structure in the drain and the others that can prevent the breeding of mosquitos and other injurious insects due to stagnant water in the case, the drain and the others and that can exterminate the bred mosquitos and the other injurious insects. <P>SOLUTION: A coated film 4 for releasing a pesticidal ingredient is installed on nearly the whole surface of an inner face 10 of a lid, and a lid 1 of a case, a drain and others is used with the coated film 4 and the inner face 10 to form a mosquito-repellent structure. A permeable sheet body 3 and/or the coated film 4 for releasing the pesticidal ingredient is installed in the inner face 10 of the case, the drain and the lid so as to sharply decrease the adverse effect on the human body by mosquitos 9 and other injurious insects. The permeable sheet body 3 has holes for limiting in-and-out of the mosquitos 9 and the other injurious insects so as to further limit the entry into the inside of the case, the drain and the others by the mosquitos 9 and the other injurious insects. <P>COPYRIGHT: (C)2012,JPO&INPIT |
