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1. 发明授权

US4805920A Pipe seal and closure member 失效
标题翻译：管道密封和封闭构件
公开(公告)号：US4805920A
公开(公告)日：1989-02-21
申请号：US175662
申请日：1988-03-21
申请人： Norman Gavin
发明人： Norman Gavin
IPC分类号： F16L41/03 , F16L41/08 , F16L55/10 , F16J15/10
CPC分类号： F16L41/088 , F16L41/03 , F16L55/10
摘要： A seal and closure member of elastomeric material adapted to be cast in situ and comprising a cylindrical body portion and an integral frusto-conical skirt therewithin. A radially outwardly extending flange is embedded in adjacent concrete. The skirt has a knock-out web at its smaller diameter end portion and the seal and closure member may thus be employed selectively as closure members for apertures in distribution boxes and the like and as seals for pipes in communication with the box interiors. The seal also includes integrally formed bosses which allow a baffle to be secured directly thereon on the interior of the box opposite the end of a pipe in the seal.
摘要翻译：弹性体材料的密封和封闭构件，其适于在现场铸造并且包括圆柱形本体部分和其中的整体截头圆锥形裙部。径向向外延伸的凸缘嵌入相邻的混凝土中。裙部在其较小直径的端部处具有脱模纤维网，并且密封和封闭构件因此可以被选择性地用作配电箱等中的孔的封闭构件，以及用于与箱体内部连通的管道的密封件。密封件还包括一体形成的凸台，其允许挡板直接固定在箱体的与密封件中管道端部相对的内部。

2. 发明授权

US4838731A Septic tank distribution box system 失效
标题翻译：化粪池配电箱系统
公开(公告)号：US4838731A
公开(公告)日：1989-06-13
申请号：US92764
申请日：1987-09-03
申请人： Norman Gavin
发明人： Norman Gavin
IPC分类号： E03F1/00 , E03F11/00
CPC分类号： E03F11/00 , E03F1/002 , Y10T137/7355
摘要： A system for leaching septic effluent is disclosed which includes a concrete distribution box having inlet and outlet openings formed therein located at different levels. An open-topped tray pivotally mounted in the distribution box at a level located between the levels of the inlet and outlet openings and has a counterweight secured to one side side of its pivotal mounting and a first stop to maintain the tray in a horizontal position against the action of the counterweight when the tray is empty. The tray is located to receive effluent from the inlet opening and the counterweight is dimensioned to be overcome by effluent in the tray when a predetermined amount of effluent is in the tray. As a result, the tray pivots against the influence of the counterweight away from its first stopped position to empty the tray and discharge the predetermined amount of effluent to the outlet openings. A second stop is formed in the box to limit pivotal movement of the tray away from the first stopped position to a predetermined effluent emptying position.
摘要翻译：公开了一种用于浸出败血症流出物的系统，其包括具有形成在不同水平的入口和出口开口的混凝土分配箱。枢转地安装在分配箱中的开顶托盘位于入口和出口开口的水平之间的水平面处，并且具有固定到其枢转安装件的一侧的配重和第一止动件，以将托盘保持在水平位置以抵抗当托盘为空时，配重的动作。托盘被定位成接收来自入口开口的流出物，并且配重的尺寸被设计成当托盘中的预定量的流出物在托盘中被流出物克服时。结果，托盘抵抗着配重离开其第一停止位置的影响而旋转，以使托盘清空并将预定量的流出物排出到出口。第二止动件形成在箱体中以限制托盘远离第一停止位置到预定流出物排空位置的枢转运动。

3. 发明授权

US4732397A Cast in place combination aperture closure member and pipe seal for fluid distribution box 失效
标题翻译：组合用于流体分配箱的孔径封闭构件和管道密封
公开(公告)号：US4732397A
公开(公告)日：1988-03-22
申请号：US858341
申请日：1986-05-01
申请人： Norman Gavin
发明人： Norman Gavin
IPC分类号： F16L41/03 , F16L41/08 , F16L55/10 , F16J15/10
CPC分类号： F16L41/088 , F16L41/03 , F16L55/10 , Y10S277/917
摘要： A seal and closure member of elastomeric material adapted to be cast in situ and comprising a cylindrical body portion and an integral frusto-conical skirt therewithin. A radially outwardly extending flange is embedded in adjacent concrete. The skirt has a knock-out web at its smaller diameter end portion and the seal and closure member may thus be employed selectively as closure members for apertures in distribution boxes and the like and as seals for pipes in communication with the box interiors.
摘要翻译：弹性体材料的密封和封闭构件，其适于在现场铸造并且包括圆柱形本体部分和其中的整体截头圆锥形裙部。径向向外延伸的凸缘嵌入相邻的混凝土中。裙部在其较小直径的端部处具有脱模纤维网，并且密封和封闭构件因此可以被选择性地用作配电箱等中的孔的封闭构件，以及用于与箱体内部连通的管道的密封件。

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