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公开(公告)号：US11414851B1
公开(公告)日：2022-08-16
申请号：US16676307
申请日：2019-11-06
摘要： A plastic leaching chamber is provided and includes a chamber substrate constructed from a PET material and having opposing side base flanges which lie in a horizontal plane and extend lengthwise along the chamber substrate. The chamber substrate includes opposing sidewalls extending upwardly from each of the opposing side base flanges to a top of the chamber substrate and includes a lengthwise center plane which is perpendicular to the horizontal plane. The opposing sidewalls define a plurality of leaching openings having at least one tab slot opening located proximate thereto, and a plurality of louver articles constructed from at least one of a PE and a PP material. Each of the louver articles include a tab which is configured to engage a tab slot opening to securely associate the plurality of louver articles with the chamber substrate to cover the at least one leach opening.
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公开(公告)号：US20170191251A1
公开(公告)日：2017-07-06
申请号：US15432780
申请日：2017-02-14
发明人： Gregory Trude , Paul R. Holbrook
CPC分类号： E03F5/024 , E03F2005/028
摘要： A plastic article useful as a riser assembly for a septic tank or as part of another structure is comprised of a multiplicity of identical shape conical wall plastic risers. The risers are attached to each other at joints by tabs which engage rim segments; each end of the riser has alternating tabs and rim segments. A riser assembly wall undulates in the lengthwise direction. The risers nest within each other for shipment or storage.
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公开(公告)号：US20220411179A1
公开(公告)日：2022-12-29
申请号：US17898476
申请日：2022-08-29
发明人： Gregory Trude , Paul R. Holbrook
摘要： A plastic article useful as a riser assembly for a septic tank or as part of another structure is comprised of a multiplicity of identical shape conical wall plastic risers. The risers are attached to each other at joints by tabs which engage rim segments; each end of the riser has alternating tabs and rim segments. A riser assembly wall undulates in the lengthwise direction. The risers nest within each other for shipment or storage.
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公开(公告)号：US10428510B1
公开(公告)日：2019-10-01
申请号：US15484880
申请日：2017-04-11
摘要： A plastic leaching unit for receiving water when buried in trenches in soil comprises a plurality of pillars interconnected by struts. A canopy made of sheet material is attached to the tops of the pillars. The pillars are arranged as spaced apart integral assemblies to enable lateral and vertical bending of the leaching unit, for conforming to a not-straight trench. Preferably, the canopy comprises a second perforated sheet overlying a first sheet having larger perforations, the combination arranged for flow of water and gases while hindering soil particulates. Preferably, the canopy extends a greater amount from the first end of each unit than from the second end, to facilitate end-to-end mating of the units. Leaching units may be stacked one upon the other within a trench.
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公开(公告)号：US20170001349A1
公开(公告)日：2017-01-05
申请号：US15256517
申请日：2016-09-03
IPC分类号： B29C45/16
CPC分类号： B29C45/1671 , B29C45/14008 , B29C2045/1404 , B29C2045/14057 , B29K2023/04 , B29K2023/10 , B29K2101/12 , B29K2105/26 , B29L2009/00 , B29L2031/7126
摘要： A method of making a plastic tank suitable for containing water comprises forming a tank base which is partially or fully lined with a plastic layer that is different in character or color from the plastic material of the substrate of the tank base. The tank is alternatively formed by injection molding substrate material around the core of a mold which is partially or fully covered by the liner material, and by injecting liner material into the mold to bond it to the tank base substrate in conjunction with retracting part or all of the core, to provide space in the mold for the liner material.
摘要翻译： 制造适于容纳水的塑料罐的方法包括：形成一个罐底，该罐底部部分或全部衬有与罐底基材的塑料材料不同的特征或颜色的塑料层。 该罐还可以通过在模具的芯部周围注射成型衬底材料，所述模具部分地或完全被衬里材料覆盖，并且通过将衬垫材料注入到模具中以将其与缩回部分或全部 的核心，为衬垫材料的模具提供空间。
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