发明名称 Flange bolt hole alignment pin
摘要 A bolt hole alignment pin for assisting in aligning mating flanges in piping systems comprises a head, a first portion for slip fit with the bolt holes in the flanges, a second portion for centering a gasket between the mating flanges, and a third portion offset from the second portion for providing a cam action when the head is turned to bring the flanges into exact alignment.
申请公布号 US5590474(A) 申请公布日期 1997.01.07
申请号 US19950512590 申请日期 1995.08.08
申请人 NEWPORT NEWS SHIPBUILDING AND DRY DOCK COMPANY 发明人 LAMB, DOUGLAS E.
分类号 G01B5/25;(IPC1-7):G01B5/25;B23P19/04 主分类号 G01B5/25
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