Cooling and sieve drum for tobacco material
AssigneeBrown & Williamson Tobacco Corporation
InventorsWolfgang Metzner, Uwe-Peter Korner
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Abstract
The invention relates to a cooling and screening drum for tobacco materials comprising a material inlet, a rotary drum including lifting webs running longitudinally along the inner wall, a cross-flow cooling system and a material outlet, the lifting webs being configured inclined obliquely to the inner wall contrary to the direction of rotation of the drum.
Claims7
A cooling and screening drum for tobacco materials comprising a material inlet into a rotary drum including lifting webs running longitudinally along an inner wall of said drum, a recirculating air system and a material outlet, wherein said lifting webs curve concave towards an interior of said drum contrary to the direction of rotation of said drum, said material inlet including a centrally disposed tobacco feeder in flow communication with a feed end of a tobacco chute, said tobacco chute having a discharge end extending downwardly from said feed end and spaced a selected distance from said inner wall of said drum.
Dependencies are inferred from the claim text.