Patent ID: 8631848
Filing Date: 2014-01-21
Classification: B31F,D21H,Y10T

Abstract:
1. An apparatus for curing a fluted paper web impregnated with an A-phase phenolic resin and dried to a partially cured B-phase, the apparatus comprising: a heated bath for holding a molten low melting point metal alloy, the bath having a bottom wall, opposite side walls extending vertically upward from the bottom wall and defining upper edges of the bath, an upstream alloy supply header extending between the side walls and having a horizontal upper edge below the upper edges and defining a molten metal distribution reservoir, and a downstream weir dam having a horizontal upper edge coplanar with the upper edge of the supply header and defining a trough for receipt of molten metal alloy overflowing the weir dam; a pump for supplying the molten metal alloy to the upstream supply header and for returning molten metal to the header from the downstream trough in a closed circuit; and, a web conveyor comprising a plurality of interconnected articulated flights shaped to form and adapted to carry the fluted web on the underside thereof, the web conveyor and the web carried thereon adapted to run through the molten metal bath between the side walls and over the horizontal upper edges of the supply header and the weir dam.