Nozzle housing assembly
AssigneeGlaston Services Ltd. Oy
InventorMikko Rantala
Life of this patent
Estimating the term…
Abstract
A nozzle housing assembly, which is used in a convection heating furnace for a heat treatable glass sheet. The nozzle housing assembly comprises an elongated enclosure, at least one elongated heating resistance in the enclosure for heating convection air, and orifices in a bottom surface of the enclosure for blasting heated convection air against the glass sheet. The enclosure is divided with a flow-throttling partition into a top supply duct and a bottom nozzle box, the heating resistances being housed in the latter. Flow-throttling openings present in the partition are positioned to comply with the location and shape of the heating resistances.
Claims8
A nozzle housing assembly, which is used in a convection heating furnace for a heat treatable glass sheet and which nozzle housing assembly comprises an elongated enclosure, at least one elongated heating resistance in the enclosure for heating convection air, and orifices in a bottom surface of the enclosure for blasting heated convection air against the glass sheet, wherein the enclosure is divided with a flow-throttling partition into a top supply duct and a bottom nozzle box, the heating resistances (3) being housed in the latter, and in that flow-throttling openings present in the partition) are positioned to comply with the location and shape of the heating resistances.
Dependencies are inferred from the claim text.