发明名称 Molded well head cover
摘要 A well head cover includes a polymeric body integrally including a tubular shaped main body portion. A tubular shaped mounting portion extends from the main body portion. A tubular shaped discharge portion is connected to the main body portion and is oppositely directed with respect to the mounting portion. A first discharge tube bore is created through a first end wall provided in the discharge portion. A second end wall is provided in the mounting portion. The second end wall has an end wall portion through which a second discharge tube bore is created. An axial centerline of the second discharge tube bore is coaxially aligned with an axial centerline of the first discharge tube bore. A pipe extending through the well head cover has a diameter adapted to provide a sliding fit with the first and second end walls at the first and second discharge tube bores.
申请公布号 US9068421(B2) 申请公布日期 2015.06.30
申请号 US201213658433 申请日期 2012.10.23
申请人 Graco Minnesota Inc. 发明人 Colby Douglas D.
分类号 E21B33/03 主分类号 E21B33/03
代理机构 Harness, Dickey & Pierce, P.L.C. 代理人 Harness, Dickey & Pierce, P.L.C.
主权项 1. A well head cover, comprising: a polymeric body integrally including each of: a mounting portion;a discharge portion;a first discharge tube bore created through a first end wall provided in the discharge portion, the first end wall defining a first end of the well head cover; anda second end wall provided in the mounting portion defining a second end of the well head cover spatially separated from the first end of the well head cover by an internal cavity, the second end wall having an end wall portion through which a second discharge tube bore is created, an axial centerline of the second discharge tube bore coaxially aligned with an axial centerline of the first discharge tube bore, to enable a well discharge pipe to extend completely through the well head cover, and further such that the first and second discharge tube bores have a common predetermined diameter, with the common predetermined diameter being just slightly larger than a diameter of the well discharge pipe to allow the well head cover to help support and maintain the well discharge pipe in a vertically oriented position;wherein the second end wall further includes an independent opening adjacent the second discharge tube bore.
地址 Minneapolis MN US