B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
34/3
B08B 5/00 (2006.01)
Patent
CA 1238776
ABSTRACT This invention relates to an improved method and device for removing liquid from a moving surface such as a continuous metal sheet or strip. The invention has particular application to the removing of lubricant and/or coolant from sheet or strip in a rolling operation or the backup rolls of the rolling mills. The invention comprises a vacuum unit to remove most of the liquid from the moving surface, an air knife to drive the liquid remaining on the surface toward the vacuum unit, and a vent maintained at a pressure intermediate between the low pressure of the vacuum unit and the high pressure of the air knife to minimize eddy current formation in the gas flow from the air knife to the vacuum unit. Eddy currents can cause the redeposition of Liquid onto the essentially dry sheet or strip.
461281
Hust Gary A.
Kush Donald C.
Kaiser Aluminum & Chemical Corporation
Osler Hoskin & Harcourt Llp
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