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1. 发明授权

US4936338A Floating drain seal apparatus 失效
标题翻译：浮动排水密封装置
公开(公告)号：US4936338A
公开(公告)日：1990-06-26
申请号：US413210
申请日：1989-09-27
申请人： Vanu M. Fonoimoana
发明人： Vanu M. Fonoimoana
IPC分类号： E03F5/042 , F16K31/22 , F16T1/20
CPC分类号： F16T1/20 , E03F5/042 , F16K31/22 , Y10T137/7436
摘要： A floating drain seal organization is utilized in combination with a drain formed with a conical bottom surface and a coaxially aligned outlet pipe. A float plug with a complementary conical bottom surface is spaced from the bottom surface of the drain to effect passage of drainage water therebetween. The float includes a planar top surface cooperative with an annular tubular seal coaxially spaced exteriorly of a circular matrix of openings. The float includes a hemispherical depression formed coaxially into its top surface to receive a hemispherical bottom portion of a seal coaxially aligned within the drain to effect sealing of the drain when a plugged or a slowed drain condition backs up drainage water therethrough.
摘要翻译：浮动排水密封组织与形成有锥形底表面和同轴对准的出口管的排水结合使用。具有互补圆锥形底表面的浮球与排水管的底表面间隔开，以便在其间通过排水。浮子包括与环形管状密封件共同定位的平面顶表面，该环形管状密封件同轴地间隔开孔的圆形矩阵。浮子包括同轴地形成在其顶表面中的半球状凹陷，以接收在排水管内同轴对准的密封件的半球形底部部分，以便当堵塞或减速的排水条件将排水从其中排出时进行排水。

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