Material or article handling – Static receptacle and means for charging or discharging – or... – With means to handle dust
Reexamination Certificate
2008-01-29
2008-01-29
Keenan, James (Department: 3652)
Material or article handling
Static receptacle and means for charging or discharging, or...
With means to handle dust
C414S359000, C414S371000, C414S576000
Reexamination Certificate
active
07322785
ABSTRACT:
A method and apparatus for controlling dust generated by the rotary dumping of rail cars may include one or more flexible baffles provided to the back-side of a rotary dump frame to seal a portion of the material receiving pit during a portion of the rotary motion. The dust cloud generated by this dumping is retained in the pit for an increased time due to tumbling of the cloud induced by the baffles and other features of the facility. A plurality of intake ducts removes the dust cloud from the pit for transfer to a remote filtering facility.
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Air Cure Inc. brochure, “Air Cure RF Dust Filter”, bulletin RF-9, 8 pages.
Air Cure Inc. brochure, “Dust Control Systems for Coal Handlers throughout the USA”, bulletin CH-4, 6 pages.
Hall Dennis
Harris Michael
Ugargol Kal
Air Cure, Inc.
Keenan James
Patterson Thuente Skaar & Christensen P.A.
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