| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a bonding structure of a covering lid in which a waterproof condition of the joint line part of the covering lid and the covering lid can be stably maintained even when a person gets on the covering lid and a load is applied onto the covering lid, the structure of the covering the lid is not complicated, a much cost is not spent, and installing operatability is good. <P>SOLUTION: The joint line part of the covering lid 1a and the covering lid 1a are covered, by covering the cover member 2 such that both engaging protruding stripes 12 fit into an engaging concave groove 23 with a depth of D satisfying H>D-T with seal materials 3a with a thickness of T affixed to the upper surfaces of the engaging protruding stripes 12 with a height of H of the covering lid 1a. Further, the covering lid 1a and the covering lid 1a are coupled and fixed by driving screws 4 so as to penetrate through side wall parts 22 from the cover body part 21 of the cover member 2 such that the front ends of the screws 4 do not the penetrate through the covering lid body 11, and the seal materials 3a are compressed between the upper surface of the engaging protruding stripes 12 and the cover body part 21 such that the seal materials become a waterproof condition. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
