Vented hatch coaming

Details Vented hatch coaming Vented hatch coaming

1998-12-18

2000-04-25

Le, Mark T.

Railway rolling stock

Special car bodies

Freight

2203671, B65D 5100

Patent

active

060531134

ABSTRACT:
A vented hatch coaming for a covered hopper car permits unloading without opening the hatch cover. The vented hatch includes an opening in the coaming for the passage of air. Preferably, a housing is positioned adjacent the ring opening to exclude contaminants and, where extraordinary sanitation is required, a filter element.

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