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发明名称
配管構造
摘要
<p>【課題】プラスチック製の配管の外周に補強用の外管を設け、路面からの車重外圧及び土圧に耐え、かつ補強用外管が破損した場合でも強度を確保したプラスチック製の配管によって安全性を確保した配管構造を提供する。【解決手段】コンクリート及び又は土に埋設された配管の構造であって、所定強度を備えたプラスチック管12と、プラスチック管の外周に配設され、プラスチック管の外周面と一定間隔を保持して配設された補強用外管13と、を有することを特徴とする。【選択図】図2</p>
申请公布号
JP3195379(U)
申请公布日期
2015.01.15
申请号
JP20140005777U
申请日期
2014.10.30
申请人
发明人
分类号
F16L9/12
主分类号
F16L9/12
代理机构
代理人
主权项
地址
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