| 摘要 |
PROBLEM TO BE SOLVED: To provide a packing structure for a shield box to which no water drop, etc., adhere when a shield box is opened. SOLUTION: An environmental packing 7 which prevents infiltration of water drops, foreign matters, etc., is attached to the outermost periphery of the rear surface of a cap body 2 and, in addition, a shield packing 8 which shields electromagnetic waves is attached to the rear surface of the cap body 2 in such a way that the packing 8 is in contact with the inner side face of the packing 7. Then a trough section 11 is formed throughout the lower section of the upper one side of the packing 7 so that water drops, foreign matters, etc., adhering to the upper section of the rear surface of the cap body 2 may not adhere to the packing 8, but may be caught by the trough section 11, even when the water drops, foreign matters, etc., fall down.
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