Continuous di-electric heating of electrically non-conductive material

Claim 1

IN A DEVICE FOR THE CONTINUOUS DIELECTRIC HEATING AND INTERWELDING OF PROGRESSIVELY MOVED ELECTRICALLY NONCONDUCTIVE MATERIAL, IN COMBINATION WITH A SOURCE OF HIGH FREQUENCY ELECTRIC ENERGY OF AT LEAST 60$10**6 C.P.S., A COAXIAL HIGH FREQUENCY CONDUCTOR SYSTEM CONNECTED TO SAID SOURCE, WHICH CONDUCTOR SYSTEM COMPRISES TWO INNER CONDUCTORS HAVING A GAP AND FORMING THE WORKING CONDENSER, TWO ELECTRODES EACH TERMINATING ONE OF SAID INNER CONDUCTORS AND INCLUDING BETWEEN ONE ANOTHER SAID WORKING CONDENSER, TWO OUTER CONDUCTORS CO-AXIALLY SURROUNDING SAID INNER CONDUCTOR AND ELECTRODES, RESPECTIVELY, AND INCLUDING BETWEEN ONE ANOTHER A SLOT IN ALIGNMENT WITH THE SAID GAP OF THE INNER CONDUCTORS, AND A VARIABLE INDUCTANCE INCLUDED IN THE COAXIAL CONDUCTOR SYSTEM AND BEING IN SERIES WITH THE WORKING CONDENSER IN SAID SYSTEM, ONE OF THE INNER CONDUCTORS AND THE ASSOCIATED OUTER CONDUCTOR BEING CONNECTED TO SAID SOURCE OF HIGH FREQUENCY ENERGY AND THE OTHER INNER AND OUTER CONDUCTOR BEING INTERCONNECTED THROUGH AN ADJUSTABLE SHORT CIRCUIT.