| 摘要 |
A blocking device for mounting within a space defined within a hollow structure includes a blocking member and a fixing device. The blocking member may be disposed on one side of a wall portion extending within the space. The blocking member has an expandable member and a holder for holding the expandable member. The expandable member is expandable by heat to form a foam member. The fixing device has a fixing member that may be disposed on the other side of the wall portion within the space. The fixing device also has a connecting member that may extend through an insertion hole formed in the wall portion. The connecting member connects the blocking member to the fixing member.
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