发明名称 THE MANHOLE COVER SUPPORTING PLATE USING WASTED SYNTHETIC RESIN FOR FIXING AND HEIGHT ADJUSTING OF MANHOLE COVER
摘要 PURPOSE: A manhole cover support for fixing a manhole cover and controlling the height of the manhole cover using waste synthetic resin is provided to reduce shipping and distribution costs by lightening the manhole cover support. CONSTITUTION: A manhole cover support(40) for fixing a manhole cover and controlling the height of the manhole cover using waste synthetic resin comprises a tensioner and fixtures. The tensioner controls the height of a manhole cover(30) and is assembled in a guide body. The tensioner has guide protrusions and supports. The supports support the bottom surface of the edge(33) of a manhole frame(32). The fixtures are inserted into fixture insertion holes(44) through the edge of the manhole frame and fix the manhole cover to the manhole cover support.
申请公布号 KR101162107(B1) 申请公布日期 2012.07.03
申请号 KR20110146790 申请日期 2011.12.30
申请人 CHONG WON CASTIRON CO., LTD. 发明人 SONG, KWON SUP
分类号 E02D29/12 主分类号 E02D29/12
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