Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Patent
1994-01-18
1996-12-17
El-Arini, Zeinab
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
134 8, 134 21, 134 221, 134 2218, 134 253, 134 37, 451 38, 451 39, 451 76, 15345, B08B 500, B08B 504, B08B 9093, B24C 100
Patent
active
055849393
ABSTRACT:
Cleaning methods for rail cars that haul freight, such as covered hoppers, open hoppers, box cars, tank cars, autoracks, locomotives, flat cars, remove the residue from materials transported by the rail car itself. The rail cars have at least one surface. Freight includes, but is not limited to, agricultural products, industrial products, foodstuffs, living beings, and packaged goods. Methods include the steps of vacuuming excess materials remaining in rail car, removing clinging or otherwise persistent materials with a forced air system, which may be augmented with abrasive materials to a surface of the rail car, and vacuuming up or otherwise removing all remaining dust and debris, and repeating some or all of the steps as necessary. In addition, methods wipe down the surface with a dry rag (e.g., paper or cloth) and/or wipe down the surface with a damp rag. A rag could also be used to apply a sterilizing agent, which would depend upon the application and materials removed and shipped.
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Albright David C.
Allred Rod B.
Barnett Billy W.
Dahlin Bill
Kohtz James L.
Burke R. Darryl
Burlington Northern Railroad
El-Arini Zeinab
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