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 60X106 C.P.S., A COAXIAL HIGH FREQUENCY CONDUCTOR SYSTEM CONNECTED TO SAID SOURCE, WHICH CONDUCTOR SYSTEM COMPRISES TWO INNER CONDUCTORS, TWO ROLLER ELECTRODES EACH TERMINATING ONE OF SAID INNER CONDUCTORS AND HAVING CONTACTING EDGES ADAPTED TO FORM A GAP WHEN THE NON-CONDUCTIVE MATERIAL IS INSERTED THEREBETWEEN THEREBY INCLUDING BETWEEN ONE ANOTHER SAID WORKING CONDENSER, TWO OUTER CONDUCTORS CO-AXIALLY SURROUNDING SAID INNER CONDUCTORS AND ROLLER ELECTRODES, RESPECTIVELY, AND INCLUDING BETWEEN ONE ANOTHER A SLOT IN ALIGNMENT WITH THE SAID GAP OF THE INNER CONDUCTORS, AND TUNING ELEMENT MEANS 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.