Continuous feed type copper-coated carbon cutting rods

Claim 1

A CARBON ROD ASSEMBLY FOR CUTTING AND CLEANING STEEL BY MEANS OF AN ELECTRIC ARE INCLUDING A FIRST LENGTH OF SOLID ROD HAVING A SOCKET AT THE UPPER END WITH AN ANNULAR END FACE SURROUNDING THE SOCKET WHERE SAID SOCKET OPENS THROUGH THE UPPER END FACE OF THE ROD, A SECOND LENGHT OF ROD HAVING A LOWER END FACE WITH AN ANNULAR OUTER PORTION, AND A FRUSTO-CONICAL INNER PORTION EXTENDING BEYOND THE ANNULAR OUTER PORTION, A METAL COATING ON THE OUTSIDE SURFACE OF EACH OF THE RODS FOR CONDUCTING ELECTRIC CURRENT, THE SOCKET AND THE FRUSTOCONICAL PORTION TAPERING TO A SMALLER DIAMETER AS THEY EXTEND DOWNWARD AND HAVING THE SAME TAPER AS ONE ANOTHER WITHIN A RANGE OF 2-0 DEGREES OF INCLUDED ANGLE, THE LENGTHS OF ROD BEING SECURED TOGETHER BY PERMANENT JAMMING OF THE FRUSTO-CONICAL PORTION IN THE SOCKET, WITH THE CONFRONTING TAPERED FACES IN DIRECT CARBON-TO-CARBON CONTACT WITH ONE ANOTHER AND IN FIRM ELECTRICAL CONTACT WITH ONE ANOTHER OVER SUFFICIENT AREA TO CARRIED THE FULL CURRENT OF BOTH THE ROD LENGTHS AND THEIR COATING, AT THE CONNECTION OF ONE ROD LENGTH TO THE OTHER, THE END FACE OF THE FRUSTO-CONICAL PORTION OF THE SECOND ROD BEING SPACED FROM THE END FACE OF THE SOCKET AND THE ANNULAR END FACES OF THE ROD LENGHTS BEING SHAPED FROM ONE ANOTHER WITH A RESULTING GAP IN THE CONTINUITY OF THE METAL COATING, AND THE ASSEMBLY BEING FREE OF ANY CONNECTING STRUCTURE BEYOND THE OUTSIDE SURFACE OF THE METAL COATING ON THE ROD LENGTHS.