Cupola charge material
AssigneeGrede Foundries, Inc.
InventorJames A. Behring
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Abstract
A cupola charge material in briquette form composed of 15% to 35% by weight of coke breeze, 0% to 25% of iron oxide, 8% to 20% of cement as a binder, and the balance ferrous metal scrap. The ingredients are mixed with water, poured into a mold of the desired shape and dried to set the cement. The resulting briquette has a density greater than 100 pounds per cubic foot.
Claims6
A cupola charge material, comprising a bonded block composed of 15% to 35% by weight of coke breeze, 8% to 20% by weight of cement, 0% to 25% of iron oxide, and the balance being ferrous metal scrap.
A cupola charge material, comprising a bonded briquette composed of 15% to 25% by weight of coke breeze having a particle size less than 1/4inch, 10% to 15% by weight of cement, 10% to 15% by weight of iron oxide, and the balance being ferrous scrap particles having a maximum dimension of about 1 inch and consisting of the residue from machining operations, said briquette having a density greater than 100 pounds per cubic foot.
Dependencies are inferred from the claim text.