| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a layered structure of a cap body securing high safety and at the same time realizing further weight reduction of a helmet. SOLUTION: The layered structure is constructed as follows: a netlike body 2 or a sheet body having a number of holes is placed between laminates in the whole or a partial area of a cap body 1 in which reinforcing base materials are layered; it is placed along laminates to which the obverse and the reverse are facing; and it is fixed biting into the laminates. This secures high safety of the helmet and at the same time realized further weight reduction.</p> |
