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101. 发明授权

US3728796A Center line locator for pipes and the like 失效
标题翻译：用于管道和类似物的中心线定位器
公开(公告)号：US3728796A
公开(公告)日：1973-04-24
申请号：US3728796D
申请日：1971-07-22
申请人： LOBAUGH L
发明人： LOBAUGH L
IPC分类号： B25H7/00 , G01C9/24 , G01C9/00
CPC分类号： B25H7/005 , G01C9/24
摘要： A center line locator for pipes and the like consists of an arcuate member, the curve of which matches the circumference of the pipe and an angle shaped body member secured thereto at its ends and incorporating a bubble level in one section thereof. The arcuate member is applied to a pipe and moved circumferentially thereof until the bubble level indicates a level condition whereupon indicia on the arcuate member indicate the longitudinal upper center line of the pipe and the longitudinal side center line of the pipe.
摘要翻译：用于管道等的中心线定位器由弧形构件组成，其弧形曲线匹配管的圆周和在其端部固定到其上的角形本体构件，并且在其一个部分中包括气泡高度。弓形构件被施加到管并且沿圆周方向移动，直到气泡水平指示水平状态，其中弓形构件上的标记指示管的纵向上中心线和管的纵向中心线。

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