Patent ID: 8381806

Claim:
A system for coupling ends of elongated heaters, comprising: two elongated heaters with an end portion of a first heater abutted or near to an end portion of a second heater, the elongated heaters comprising cores and one or more conductors substantially concentrically surrounding the cores, the cores having a lower melting point than the conductors, at least one end portion of at least one conductor of the first heater having a beveled edge that forms a gap between the beveled edge and an end portion of at least one conductor of the second heater, and wherein at least one end portion of at least one core has a recessed opening; a core coupling material at least partially inside the recessed opening, the core coupling material extending between the two elongated heaters; and wherein the gap formed by the beveled edge is configured to be filled with a coupling material for coupling the one or more conductors.