| 摘要 |
A hole plug for closing a through-hole formed in a compartment wall may include an attaching portion formed from a synthetic resin and a cover portion integrated with the attaching portion at a central portion thereof. The attaching portion can be inserted into the through-hole so as to engage the inner surface of the compartment wall. The cover portion has a size and shape that can enclose the through-hole and has a peripheral edge portion that can closely contact the outer surface of the compartment wall. The cover portion has a thickened portion that is formed in the peripheral edge portion thereof or in a vicinity of the peripheral edge portion and that can maintain a size and configuration of the peripheral edge portion when an external force is applied to the cover portion. The cover portion has a thinned portion that is formed between the thickened portion and the central portion integrated with the attaching portion and that can undergo elastic buckling deformation when an external force is applied thereto.
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