Patent ID: 6358465
Filing Date: 2002-03-19
Classification: C21D

Abstract:
A heat exchanger device for exchanging heat with a flat product moving in front of said device, said device comprising:at least one plenum chamber; and means for placing said at least one plenum chamber under gaseous pressure; said at least one plenum chamber comprising a front face with a plurality of blades extending therefrom, said plurality of blades defining a duct for the ejection of gas towards said flat product, said plurality of blades being superimposed upon one another in the direction of movement of said flat product, said plurality of blades defining outlet orifices for said gas, said outlet orifices extending in the direction of the width of said flat product, said at least one plenum chamber having a width in the direction of the width of said flat product allowing the evacuation of said gas towards the rear of said device on at least one side of said at least one plenum chamber, the width of said at least one plenum chamber being less than the width of said outlet orifices.