Patent ID: 6863432

Claim:
A mixer comprising at least a housing ( 1 ) with an inlet opening ( 4 ) and outlet opening ( 5 ), two corotating stirrers ( 2 ) and ( 3 ) and at least one drive for moving the stirrers ( 2 ) and ( 3 ), wherein one stirrer ( 2 ) is arranged centrally in the housing ( 1 ), said stirrer ( 2 ) comprising at least a drive shaft ( 6 ), at least one transverse beam ( 7 ) fitted to the latter with at least one stirring arm ( 8 ) attached at one end thereof to said at least one transverse beam ( 7 ), and the other stirrer ( 3 ) comprises at least a drive shaft ( 11 ) and one or more stirring blades ( 12 ), and is arranged eccentrically in the housing ( 1 ) said stirrers ( 2 ) and ( 3 ) being adapted to rotate and brush said one or more stirring blades ( 12 ) and said at least one stirring arm ( 8 ) over one another, with the exception of their end faces.