Pipe heating arrangement

Claim 1

A PIPE HEATING ARRANGEMENT COMPRISING, IN COMBINATION, METALLIC PIPE MEANS ADAPTED TO CONTAIN A FLUID; A THERMAL INSULATING MEANS SURROUNDING SAID PIPE MEANS AND HAVING A CUTOUT AT ONE END; A THIN FLAT ELONGATED HEATING STRIP INCLUDING A THIN RESISTANCE ELEMENT, A PAIR OF ELONGATED ELECTRODES ELECTRICALLY CONNECTED WITH SAID RESISTANCE ELEMENT SO THAT CURRENT FLOWS TRANSVERSELY THROUGH SAID RESISTANCE ELEMENT ACROSS THE LENGTH OF THE SAME, ELECTRICAL INSULATING MEANS SURROUNDING AND SUBSTANTIALLY COEXTENDING WITH SAID RESISTANCE ELEMENT AND ELECTRODES, AND CONNECTOR MEANS AT ONE END OF SAID STRIP AND HAVING TERMINALS CONNECTED WITH SAID ELECTRODES, RESPECTIVELY, SAID STRIP BEING DISPOSED INWARDLY OF SAID THERMAL INSULATING MEANS ON THE SURFACE OF SAID METALLIC PIPE MEANS EXTENDING ALONG THE LENGTH OF THE SAME AND SAID ELECTRICAL INSULATING MEANS INSULATING SAID HEATING STRIP FROM SAID METALLIC PIPE MEANS, AND SAID CONNECTOR MEANS BEING LOCATED AT ONE END OF SAID PIPE MEANS IN SAID CUTOUT SO THAT ACCESS TO ONLY SAID ONE POINT OF SAID PIPE MEANS IS SUFFICIENT FOR CONNECTING SAID CONNECTOR MEANS TO A VOLTAGE SOURCE SO AS TO EFFECT HEATING OF SAID PIPE MEANS ALONG THE ENTIRE LENGTH THEREOF; AND MEANS FOR ATTACHING SAID STRIP TO SAID PIPE MEANS.