Patent ID: 6747252
Filing Date: 2004-06-08
Classification: B29C,B29L,B65B

Abstract:
Apparatus for sealing unit for sealing objects traveling in a predetermined workflow direction comprising:a housing; a multiple head inductive sealing unit connected to the housing, the multiple head sealing unit including at least two ferrite cores; each ferrite core structured and arranged to form a channel-shaped core having two open ends arranged perpendicular to the workflow direction; at least one conductive coil disposed proximate to each ferrite core structured and arranged to direct an electromagnetic field towards the object to be sealed; at least one intake fan disposed in the housing; at least one outtake fan disposed in the housing; each of the ferrite cores having a plurality of openings therein; and the at least one intake fan and the at least one outtake fan structured and arranged within the housing to cooperatively circulate a cooling gas through the plurality of core openings within the at least two ferrite cores.