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COVER FOR IN-GROUND METER ENCLOSURES USED IN TRAFFIC LOADING CONDITIONS, AND METHOD FOR MAKING

机译:在交通荷载条件下使用的地下仪表外壳的盖子及其制造方法

摘要

A cover for in-ground meter enclosures used in traffic loading conditions employs a relatively thin plate member formed of a ductile iron alloy and is dimensioned to extend laterally across a top opening of an in-around meter enclosure. A plurality of relatively thick rib members of the ductile iron alloy are formed with and extend generally normal from the bottom side of the plate member. The plate member and the rib members together have sufficient strength and ductility to withstand total loads on the order of at least about 20,000 pounds on the top side of the plate member.
机译:在交通负荷条件下使用的用于地下仪表壳体的盖采用由球墨铸铁合金形成的相对较薄的板状构件,并且其尺寸设计成横向地跨过围绕仪表壳体的顶部开口延伸。球墨铸铁合金的多个相对较厚的肋构件与板构件的底侧一起形成并从其大体上垂直地延伸。板构件和肋构件一起具有足够的强度和延展性,以承受在板构件的顶侧上的至少约20,000磅的总载荷。

著录项

  • 公开/公告号CA2301163A1

    专利类型

  • 公开/公告日2000-06-03

    原文格式PDF

  • 申请/专利权人 PATE RICHARD;

    申请/专利号CA20002301163

  • 发明设计人 PATE RICHARD;

    申请日2000-03-21

  • 分类号E02D29/14;

  • 国家 CA

  • 入库时间 2022-08-22 01:52:55

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