Patent ID: 7264766

Claim:
A feed apparatus for delivering particulate material to a foundry furnace having a furnace form disposed within said furnace, said furnace form defining an annulus with the furnace exterior wall for receipt of said particulate material comprising: a) a cover having a top end, a bottom end and a side wall, said bottom end adapted to fit on top of said furnace ring or melt deck floor and forming an airtight connection therewith; b) a rotatable tabletop that is adapted to fit on top of said top end of said cover, said tabletop having at least one access port for delivering said particulate material into the interior of said cover; c) a form top that is adapted to fit within said cover at said bottom end of said cover and on top of said furnace form to facilitate delivery of said particulate material into said annulus made by said furnace form and said furnace exterior wall; d) means for rotating said tabletop about the centerline of said cover; and e) means for centering said tabletop as it rotates about the centerline of said cover.