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1. 发明授权

US06484451B1 Stackable riser resistant to soil movement 有权
标题翻译：可堆叠的提升板抵抗土壤运动
公开(公告)号：US06484451B1
公开(公告)日：2002-11-26
申请号：US09766795
申请日：2001-01-22
申请人： Norman Gavin
发明人： Norman Gavin
IPC分类号： E02D2912
CPC分类号： E02D29/121 , E02D29/12 , E02D29/124 , E02D2300/0015
摘要： A stackable riser having a substantially smooth outer surface has a first open end defined by an edge and a second open end defined by a pair of adjacent channels, so that the edge defining the first open end of a first riser can mate with one of the channels defining the second open end of a second riser. A detachable anchor tab extends radially from the outer surface about the circumference of the riser. A plurality of risers can be stacked one on top of another, with, for example, the bottommost riser embedded in concrete and the risers above it embedded in soil. Preferably, the anchor tab of the bottommost riser remains attached to the riser and the anchor tab of the risers above it is removed.
摘要翻译：具有基本上光滑的外表面的可堆叠提升器具有由边缘限定的第一开口端和由一对相邻通道限定的第二开口端，使得限定第一提升管的第一开口端的边缘可以与通道限定第二提升管的第二开口端。可拆卸的锚定片从外表面围绕提升管的圆周径向延伸。多个立管可以堆叠在另一个之上，例如，嵌入在混凝土中的最底部的提升管和其上的立管嵌入土壤中。优选地，最下面的提升管的锚定片保持附接到提升管，并且其上方的立管的锚定片移除。

2. 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。

3. 发明授权

US5871640A Filter and housing 失效
标题翻译：过滤器和外壳
公开(公告)号：US5871640A
公开(公告)日：1999-02-16
申请号：US823868
申请日：1997-03-25
申请人： Norman Gavin
发明人： Norman Gavin
IPC分类号： B01D35/027 , C02F3/28 , B01D29/33
CPC分类号： C02F3/288 , B01D35/0276
摘要： A septic tank filter system comprises a mounting member adapted for attachment to an interior surface of a septic system tank, at least one open-ended, cylindrical filter housing fixed to the mounting member, and a hollow foraminated filter nested in each filter housing. The filter has a first conduit providing a fluid flow connection between the filter interior and an outlet port in the filter housing. Liquid sewage is filtered during passage from the outside of the filter to its interior. Filtrate flows through the first conduit, then through the filter housing outlet port, thence through the mounting member and finally exits the tank through the outlet pipe in the tank wall. A score line in the filter housing side wall permits ready removal of a section thereof to form an inlet port. Telescoping channel members on the outside of the filter housings allow them to be interconnected with the outlet port of one in fluid flow connection with the inlet port of another. A second conduit in the filters provides fluid flow communication between the filter housing inlet port and the filter interior.
摘要翻译：一种化粪池过滤器系统，包括适于附接到化粪池的内表面的安装构件，固定到安装构件的至少一个开口的圆柱形过滤器壳体，以及嵌套在每个过滤器壳体中的中空的被膜过滤器。过滤器具有第一管道，其提供过滤器内部和过滤器壳体中的出口之间的流体流动连接。在从过滤器外部通向其内部的过程中，液体污水被过滤。滤液流过第一导管，然后通过过滤器壳体出口，然后通过安装构件，最后通过罐壁中的出口管离开罐。过滤器壳体侧壁中的刻痕线允许准备移除其一部分以形成入口端口。在过滤器外壳的外侧的伸缩通道构件允许它们与与另一个的入口流体连通的一个的出口连接。过滤器中的第二导管提供过滤器壳体入口和过滤器内部之间的流体流动连通。

4. 外观设计

USD402349S Septic system filter 失效
公开(公告)号：USD402349S
公开(公告)日：1998-12-08
申请号：US68683
申请日：1997-03-27
申请人： Norman Gavin
设计人： Norman Gavin

5. 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。

6. 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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