B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/112, 117/116
B05D 1/28 (2006.01) B05C 1/08 (2006.01) B05C 9/14 (2006.01) B05D 3/02 (2006.01) B05D 7/14 (2006.01)
Patent
CA 2012736
ABSTRACT Method and apparatus for applying a dry-film drawing lubricant to metal blanks. Paired applicator and doctor rolls are positioned above and below the path of the sheets advancing through a roll box. The doctor rolls have end flanges overlapping the ends of the associated applicator rolls. A body of the liquid lubricant is maintained in the reservoir defined by each pair of applicator and doctor rolls, and following application of a coating of the lubricant to their surfaces, the blanks are conveyed between opposed heaters which raise the temperature of the coating to drive moisture therefrom. The blanks are conveyed between cooling units which lower the temperature of the lubricant coated surfaces, and thereafter through a transition zone to bring the temperature to the ambient range to prevent condensation thereon as the blanks are discharged to the atmosphere. The applicator rolls are mounted to automatically adjust to accommodate blanks of different thicknesses, and the doctor rolls are mounted for movement toward and away from the applicator rolls. A flushing system is provided for cleaning the applicator and doctor rolls at the end of a period of use.
Bibbee Russell S.
Stearns Robert E.
Bibbee Steve S.
Macrae & Co.
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