发明名称 Confined space control cover
摘要 A confined space control cover that covers a man-way to a confined space area that includes a polyester base cover and an attachment perimeter orifice that covers the man-way, a heavy nylon strapping with two ends that is utilized to secure the confined space control cover over the man-way and a plurality of steel eyelets that are disposed on both ends of the strapping. A lock is placed through the eyelets on both ends to secure the control cover to the man-way. The control cover also includes a warning sign disposed on the front of the base cover to prevent persons from entering the confined space area and a maintenance tag that is attached to the strapping to indicate maintenance activity performed near or within the confined space area or man-way.
申请公布号 US8684061(B2) 申请公布日期 2014.04.01
申请号 US201113220644 申请日期 2011.08.29
申请人 PORTER, IV THOMAS J 发明人 PORTER, IV THOMAS J
分类号 E06B5/00;E02D29/14;E05B55/00;E06B5/10 主分类号 E06B5/00
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