WATER-PROOF STRUCTURE OF CASE

摘要

PROBLEM TO BE SOLVED: To prevent a sealing material from coming into the case and provide good sealing characteristics without enlarging the size of the case. SOLUTION: Grooves 15 and 17 are formed at fitting faces 11a and 12a of a case container 11 and a case cover 12, while the bottoms of the grooves 15 and 17 have each uneven face. When the case container 11 and the case cover 12 are fitted to each other, these grooves 15 and 17 constitute a seal filling space (S). An applied sealing material (R) has a small space but large contact area with the inner face of the grooves 15 and 17 to prevent water surely from permeating inside and provide pressure-proof characteristics. Even when the sealing material (R) overflows from the sealing material filling space (S), the sealing material (R) is stopped by a vertical wall part 14 from coming into the case 1.