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1. 发明申请

US20110074116A1 COLLAPSIBLE EXPANSION MECHANISM FOR EFFECTING A SEAL 审中-公开
标题翻译：用于影响密封的可膨胀膨胀机制
公开(公告)号：US20110074116A1
公开(公告)日：2011-03-31
申请号：US12893485
申请日：2010-09-29
申请人： Ronald W. Neuhaus , Myron W. Worley
发明人： Ronald W. Neuhaus , Myron W. Worley
IPC分类号： F16J15/02 , B23P11/00
CPC分类号： F16L55/163 , E03F2005/028 , F16L21/022 , Y10T29/49826
摘要： An expansion mechanism of the type that may be used with a seal for sealing a connection about the upper end of a concrete structure, such as providing as seal across a manhole frame, optionally one or more spacer rings, and the upper end of a manhole chimney or riser, or which may be used with a seal for internally sealing a connection between a pair of pipes. The expansion mechanism includes a pair of ring portions and a pair of expansion mechanisms that include pivotal connections to the ring portions such that the assembly may be moved or folded between a folded configuration, in which the assembly has a reduced profile to allow the assembly to be moved into place at the sealing site, and a deployed configuration, in which the assembly has a cylindrical shape and is expandable to compress the seal against a cylindrical surface.
摘要翻译：可以与密封件一起使用的用于密封围绕混凝土结构的上端的连接的类型的膨胀机构，例如提供穿过人孔框架的可选的一个或多个间隔环的密封件和人孔的上端烟囱或提升管，或者可以与密封件一起使用以内部密封一对管道之间的连接。膨胀机构包括一对环部分和一对膨胀机构，其包括与环部分的枢转连接，使得组件可以在折叠构造之间移动或折叠，在该构造中组件具有减小的轮廓，以允许组件在密封部位移动就位，以及展开构型，其中组件具有圆柱形形状并且可膨胀以将密封件压靠在圆柱形表面上。

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