| 摘要 |
PROBLEM TO BE SOLVED: To prevent hot water, water, etc., from entering inside the ear by constituting an ear cover part nearly in the shape of a dome provided with an engaging part with a cover main body at the top part and an edge part peripherally provided with a water returning part and a water entry preventing wall in parallel to the elastic cover main body through which an engaging hole is formed. SOLUTION: The engaging part 4 with the elastic cover main body 10 is erected at the top part 3 of the wall part 2 of the ear cover part 1 by integrally molding and the part 4 is provided with four respectively independent engaging pieces 5 which form taper parts on the outer surface. In addition, at the edge part 7 of the part 1, the water returning part 8 on its outside and a water entry preventing wall 9 on its inside are formed in a parallel state and peripherally provided on the wall part 2. Then, plural engaging holes are formed through the both end parts of the cover main body and the part 4 of the part 1 is inserted to the engaging holes to mount the part 1 to the main body 10 in the state of being freely engageable and disengageable.
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