Patent ID: 6896504
Filing Date: 2005-05-24
Classification: A21C,A23G,A23P

Abstract:
1. A nozzle carrier ( 10 ) for extruding doughy substances, having a nozzle arrangement ( 12 ) comprising two inner nozzles ( 14 , 16 ) for extruding at least one inner substance ( 26 ; 98 ; 112 , 114 ; 168 , 170 ), and two outer nozzles ( 18 , 20 ) for extruding at least one outer substance ( 28 ; 100 , 102 ; 110 ; 172 , 174 ), wherein the outer nozzles ( 18 , 20 ) each surround an inner nozzle ( 14 , 16 ) with clearance, and all of the nozzles ( 14 , 16 , 18 , 20 ) are rotatable about a common axis of rotation ( 148 ), and the inner nozzles ( 14 , 16 ) each have a mouth ( 44 , 46 ) and the outer nozzles ( 18 , 20 ) each have a mouth ( 36 , 38 ), characterized in that the mouths ( 36 , 38 ) of the outer nozzles ( 18 , 20 ) are disposed in flow direction downstream of the mouths ( 44 , 46 ) of the inner nozzles ( 14 , 16 ), a stator ( 60 ), in which a first ( 68 ), second ( 78 ) and third feed channel ( 88 ) are formed, as well as a rotor ( 22 ), which carries the nozzles ( 14 , 16 , 18 , 20 ), is rotatably supported in the stator ( 60 ) and contains two connection channels ( 70 , 72 ), which connect the first feed channel ( 68 ) in each case to an inner nozzle ( 14 , 16 ), wherein between the stator ( 60 ) and the rotor ( 22 ) a first annular space ( 76 ) is formed, which connects the second feed channel ( 78 ) to a first outer nozzle ( 18 ), and a second annular space ( 90 ) is formed, which connects the third feed channel ( 88 ) to the second outer nozzle ( 20 ).