Geller

Claim 1

APPARATUS FOR COKING PITCH FROM COAL TAR, LIGNITE TAR, AND HIGH BOILING MINERAL OIL RESIDUE, AS WELL AS SIMILAR MELTABLE BITUMINOUS STARTING MATERIALS CONTAINING HIGHBOILING VOLATILE INGREDIENTS COMPRISING AN ELONGATED VERTICALLY EXTENDING COKING CHAMBER, A HEATING JACKET SURROUNDING THE COKING CHAMBER, A DISTILLING COLUMN IN TIONED ON THE UPPER PORTION OF THE COKING CHAMBER IN VERTICAL ALIGNMENT AND IN DIRECT COMMUNICATION THEREWITH, A HEATING JACKET SURROUNDING THE DISTILLING COLUMN, MEANS FOR INTRODUCING STARTING MATERIAL INTO THE UPPER PORTION OF THE DISTILLING COLUMN, SAID COLUMN HAVING AN OUTLET IN ITS UPPER PORTION FOR DISCHARGE OF VOLATILE MATERIAL, MEANS AT THE LOWER PORTION OF THE DISTILLING COLUMN FOR DIVIDING VISCOUS MATERIAL RESULTING FROM DISTILLATION OF THE STARTING MATERIAL AND DROPPING IT INTO THE UPPER PORTION OF THE COKING CHAMBER FOR FREE FALLING DOWNWARDLY THROUGH THE COKING CHAMBER, A CALCINING CHAMBER POSITIONED BENEATH THE COKING CHAMBER IN VERTICAL ALIGNMENT AND IN DIRECT COMMUNICATION THEREWITH FOR RECEIVING COKED PARTICLES FROM THE COKING CHAMBER, MEANS FOR FEEDING COMBUSTION SUPPORTING AIR INTO THE LOWER PORTION OF THE CALCINING CHAMBER, THE UPPER PORTION OF THE CALCINING CHAMBER BEING OF LARGER AREA THAN THE LOWER PORTION OF THE COKING CHAMBER TO PROVIDE A DISCHARGE AT THE UPPER PERIPHERAL PORTION OF THE CALCINING CHAMBER FOR PRODUCTS OF COMBUSTION.