Patent ID: 6531088
Filing Date: 2003-03-11
Classification: F27D

Abstract:
A door for a molten metal holding furnace, the door including a fixed plate with a charging hole, two supports positioned on opposite sides of the charging hole and two vertical wings positioned on an upper part of the plate, two guides, each having an elongated slots therein, are pivotally mounted to the two vertical wings positioned on the upper part of the fixed plate and each extending therefrom beyond a lower edge of the charging hole, and a closing panel with gasket for sealing about the charging hole being slideably mounted within the elongated slots of the guides, and closure operating means for moving the closing panel along the elongated slots of the two guides between a first position spaced from the fixed plate so that the charging hole therein is open and a second position in which the closing panel is urged toward the fixed panel and into proximity with the changing hole.