发明名称 Flange lifter device
摘要 A pipe flange lifting device for supporting and leveling a blind flange during installation onto a pipe end. The device comprises a pair of closed fittings having a plurality of apertures through which to place a first and second lifting bolt. The fittings are positioned on opposing sides of a pipe flange and rotate freely with respect to the pin prior to installation, whereafter the lifting bolts fitted through the flange and opposing fittings for stable support during operation. The lifting bolts comprise a pair of bolts inserted into eyes of the flange prior to the lifting operation. Spacers along the pin allow the fittings to be separated by a desired distance and prevent pinch points due to fitting inclination. The pin includes an attached crane hoist fitting for lifting the assembly and a secured flange during flange installation.
申请公布号 US8434800(B1) 申请公布日期 2013.05.07
申请号 US201213419097 申请日期 2012.03.13
申请人 LEBLANC ADAM 发明人 LEBLANC ADAM
分类号 B66C1/28;B66C1/62 主分类号 B66C1/28
代理机构 代理人
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