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THROUGH HOLE RIM REINFORCING TOOL, AND METHOD FOR REINFORCING THROUGH HOLE RIM OF CONCRETE BODY USING THE REINFORCING TOOL
THROUGH HOLE RIM REINFORCING TOOL, AND METHOD FOR REINFORCING THROUGH HOLE RIM OF CONCRETE BODY USING THE REINFORCING TOOL
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机译:贯穿孔RIM补强工具,以及使用该补强工具补强混凝土本体贯穿孔的方法
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摘要
PROBLEM TO BE SOLVED: To provide a through hole rim reinforcing tool for a concrete body, which imparts beautiful appearance to the concrete body, and suitably prevents fracture of a rim of an opening of a through hole, and to provide a method or reinforcing the through hole rim by using the reinforcing tool.;SOLUTION: The reinforcing tool is formed of an inner surface reinforcing portion 15 which is fitted into the through hole 11 such as a permeable hole, formed in the concrete body 10, a flange portion 19 having a flange-like shape, which is formed on a peripheral portion of an upper opening of the inner reinforcing portion 15, and an engaging portion 20 which is protruded from a peripheral portion of a lower opening of the inner reinforcing portion 15. According to the reinforcing tool thus formed, the engaging portion 20 comprises at least a pair of engaging members 13, 13 each formed of an elastic plate member, and slipout preventive claws 18, 18 which are each formed at a lower edge of the engaging member 13 and protrude from the rear-side opening of the through hole 11 to be engaged with the rear-side opening rim.;COPYRIGHT: (C)2003,JPO
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