Railroad tank car
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 9, 1982
Issued Date -
N/A
app pub date -
Jan 28, 1980
filing date -
Aug 10, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flexible diaphragm can be moved to line opposite surfaces of a tank vehicle so that incompatible fluids alternately can be transported in the vehicle without the need for cleaning it. The diaphragm is prevented from entering a manway on the vehicle, and an outage gauge is confined entirely within the manway to prevent damage to the diaphragm.
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