Tank car manway cover assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 20, 2000
Grant Date -
N/A
app pub date -
Sep 28, 1998
filing date -
Sep 28, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A manway cover assembly to cover an opening of a tank car, defined by an upstanding manway nozzle. The manway cover assembly comprises a manway cover housing, a safety vent and a manway nozzle gasket. The safety vent includes a body mounted on the manway cover housing. The safety vent further includes a surge protector and a rupture disk. The rupture disk is designed to open at a known pressure and allow controlled venting of the pressure in the car. The manway cover housing defines a bore which contains the surge protector of the safety vent. The manway cover housing includes a tube extending downwardly and surrounding the surge protector.
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