发明名称 LID FOR SIDE DITCH
摘要 PROBLEM TO BE SOLVED: To provide a lid for a side ditch capable of being formed without using a core, reducing weight of the whole ditch lid greatly, adjusting a height of the ditch lid arbitrarily, enabling the reuse of waste material, and having excellent recycle efficiency to suppress production cost. SOLUTION: This lid 1 for the side ditch received by a lid receive part of the side ditch and covering an opening part of the side ditch consists of a main body 2 made of casting and a synthetic resin body 3 combined and integrated with the main body made of casting, and the synthetic resin body abuts on at least the lid receive part of the side ditch. Moreover, materials of the main body 2 made of casting and the synthetic resin body 3 are obtained by recycling waste materials.
申请公布号 JP2002356904(A) 申请公布日期 2002.12.13
申请号 JP20020049244 申请日期 2002.02.26
申请人 HOKU CAST:KK 发明人 ISHIKAWA HIROSHI;KAWASE HIROSHI;TOKUDA YOSHIHISA
分类号 E03F5/04;(IPC1-7):E03F5/04 主分类号 E03F5/04
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