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1. 发明授权

US5816475A Pipe clamp 失效
标题翻译：管夹
公开(公告)号：US5816475A
公开(公告)日：1998-10-06
申请号：US693179
申请日：1996-09-30
申请人： Roger Stephen Brookhouse
发明人： Roger Stephen Brookhouse
IPC分类号： B23K37/053
CPC分类号： B23K37/0531 , B23K2201/08
摘要： In accordance with the invention there is provided an internal line-up clamp for securing two adjacent pipe sections together in end-to-end relationship comprising a first clamping mechanism operable to extend a first set of circumferentially disposed clamping shoes radially into clamping engagement with the interior of a first pipe section; a second clamping mechanism operable to extend a second set of circumferentially disposed clamping shoes radially into clamping engagement with the interior of a second pipe section; and a back-up shoe mechanism comprising a plurality of circumferentially extending back-up shoes arranged to provide a radially outer cylindrical surface. The back-up shoes being located axially between the sets of clamping shoes and being extendible radially outwardly into engagement with the interior of the pipe sections when the sections are clamped by respective clamping mechanisms. Conveniently each of the back-up shoes is resiliently biased in a radially outward direction so as to be engageable under bias with the interior walls of and to bridge an axial spacing between adjacent pipe sections when they are clamped by the respective clamping mechanisms.
摘要翻译： PCT No.PCT / GB95 / 00308 Sec。 371日期1996年9月30日 102（e）日期1996年9月30日PCT提交1995年2月14日PCT公布。出版物WO95 / 21721 日期1995年8月17日根据本发明，提供了一种用于将两个相邻管段固定在一起的端对端关系的内部排线夹具，包括第一夹紧机构，其可操作以沿径向延伸第一组周向设置的夹紧与第一管段的内部夹紧接合; 第二夹紧机构，其可操作以将第二组沿圆周方向设置的夹紧板径向延伸成与第二管段的内部夹紧接合; 以及备用鞋机构，其包括布置成提供径向外圆柱形表面的多个周向延伸的后支撑鞋。所述支撑鞋轴向位于所述夹紧鞋组之间，并且当所述部分被相应的夹紧机构夹紧时，所述支撑鞋沿径向向外延伸以与所述管部分的内部接合。方便的是，每个后备鞋在径向向外的方向上被弹性地偏压，以便在它们被相应的夹持机构夹持时，可以在偏压下与内壁接合，并且在相邻的管部之间桥接轴向间隔。

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