Hatch cover for railway cars and method of manufacturing the same
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United States of America Patent
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Mar 6, 2018
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N/A
app pub date -
Feb 10, 2016
filing date -
Feb 10, 2016
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Abstract
A hatch cover for a covered hopper railcar includes a substantially circular shell member having a radially outer circumferential perimeter. The substantially circular shell member includes a topside surface and an underside surface. The hatch cover also includes a downwardly extending rim member coupled to and unitarily formed with the substantially circular shell member. The substantially circular shell member and the downwardly extending rim member define a shell/rim interface at the underside surface. The hatch cover further includes at least one sealing gasket fixedly coupled to the underside surface proximate the shell/rim interface.
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