发明名称 Non-metallic blanking hatch apparatus
摘要 An apparatus for holding materials comprising: a container including a container wall and having a first container opening extending through the container wall; a first container flange connected to the exterior of the container wall surrounding the first container opening; and a non-metallic blanking hatch connectable to the first container flange by bolting. The non-metallic blanking hatch has a plurality of apertures extending therethrough which provide access to the interior of the container. The inventive apparatus preferably also comprises: (a) a second container flange connected to the exterior of the container wall and surrounding a second container opening extending through the container wall and (b) a non-metallic manway hatch connectable to the second container flange.
申请公布号 US5458257(A) 申请公布日期 1995.10.17
申请号 US19930049037 申请日期 1993.05.26
申请人 HALLIBURTON COMPANY 发明人 MUCKELRATH, BRETT L.;MATTHEWS, JAMES F.
分类号 B60P3/22;(IPC1-7):B65D88/12 主分类号 B60P3/22
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