Patent ID: 8202077
Filing Date: 2012-06-19
Classification: B29B,B29K,Y02W

Abstract:
1. A machine for melting and densifying waste items composed of expanded polystyrene through heat transfer, the machine comprising: a hopper for loading used expanded polystyrene material that includes a heated discharge section for heating and melting expanded polystyrene along with a heated tray compartment for collected melted expanded polystyrene; an upper hopper loading area within the hopper towards a top end of the hopper walls; a lower hopper section within the hopper and below the upper hopper loading area, and including one or more inclined panels disposed and supported within the hopper having a top end thereof adjacent to the upper hopper loading area; heating pads affixed to outer surfaces of the one or more lower hopper section and tray compartment panels for heating the lower hopper section, tray compartment and/or discharge section to temperatures sufficient to melt the expanded polystyrene; a tray disposed within the tray compartment below the discharge section for collecting melted expanded polystyrene; one or more hopper lids operatively connected to hopper walls at the upper hopper loading area to open and close the hopper for loading used expanded polystyrene into the upper hopper loading area.