Patent ID: 11867462
Assignee: DANIELI & C. OFFICINE MECCANICHE S.P.A.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  C  Y | IPC C  F

Claim 6:
7. The apparatus as in claim 5, also comprising a sealing unit associated with said at least one hood, on an opposite side with respect to a furnace entrance side, cooperating with said at least one conveyor channel in order to define an initial segment of said tunnel, said sealing unit being provided with:
a frame having an upper wall and two opposite lateral flanks, and
a plurality of bands associated in a suspended manner with said upper wall and adjacent in order to form one or more rows disposed at a certain distance from each other in a direction of advance of the metal charge inside said tunnel,
wherein it also comprises movement means associated with said frame in order to move it vertically away from/toward said support and advance surface of said at least one conveyor channel, varying its vertical distance so that said vertical bands are able to seal said metal charge in transit.