Vented hatch cover

Details Vented hatch cover Vented hatch cover

B - Operations, Transporting

65

D

B65D 90/34 (2006.01) B61D 5/00 (2006.01) B65D 88/26 (2006.01) B65D 90/10 (2006.01)

Patent

CA 2189279

A cover for closing a hatch opening in a container such as an enclosed railroad hopper car is provided. The cover is sized to fit over a coaming extending from the hatch opening. An outer rim is formed on the cover and cooperates with the coaming to form an air passage which surrounds an exterior surface of the coaming when the cover is disposed thereon. The cover includes a filter assembly and a gasket which cooperate to provide a continuous vent or air communication path between the interior and the exterior of the container through the air passage. All communication of air between the exterior of the container and the interior of the container is directed through the filter assembly.

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