Induction heating units

Claim 1

AN INDUCTION HEATING UNIT FOR MEMBERS OF THE CHARACTER DEFINED, SAID UNIT HAVING RELATIVELY MOVABLE HALVES ADAPTED TO ENVELOP A MEMBER TO BE HEATED, SAID HALVES HAVING ON ADJACENT SURFACES INTERENGAGING PIN AND SOCKET ELECTRICAL CONNECTORS FOR COMPLETION OF THE CIRCUIT THROUGH COILS OF SAID UNIT, MEANS FOR RETAINING SAID HALVES IN COUPLED RELATIONSHIP AROUND SAID MEMBER, MEANS SUPPORTING SAID UNIT IN SPACED RELATION TO THE WALLS OF SAID MEMBER, SAID LAST NAMED MEANS COMPRISING A SPLIT SLEEVE, MEANS AT ENDS OF SAID SLEEVER FOR SUPPORT OF THE SLEEVE ON SAID MEMBER, A PLURALITY OF SAID UNITS BEING ARRANGED LONGITUDINALLY OF SAID SLEEVE INTERMEDIATGE AND MEANS ON THE ENDS OF THE SLEEVE, MEANS FOR SPACING SAID UNITS ONE WTIH RESPECT TO THE OTHER, EACH OF SAID UNITS INCLUDING RADIALLY ENLARGED COIL PORTIONS, AND THE ENLARGED COIL PORTIONS OF ONE UNIT BEING ARRANGED ANGULARLY TO THOSE OF ADJACENT UNITS IN NESTING THE UNITS ONE WITH RESPECT TO THE OTHER ON SAID SLEEVE.