Insulating means for concentric conductor elements

Claim 1

A CAPACITY TYPE PROBE COMPRISING, IN COMBINATION, A ROD SHAPED PROBE, A MOUNTING GLAND FOR SAID PROBE, AN INSULATING SUPPORTING MEMBER CONCENTRICALLY MOUNTING SAID PROBE IN SAID MOUNTING GLAND AND INSULATING IT THEREFROM, AN INSULATING SHEATH OF HEAT DEFORMABLE THERMOPLASTIC, SAID SHEATH SURROUNDING SAID PROBE AND REVERSING UPON ITSELF TO FORM A REVERSED SECTION IN SAID MOUNTING GLAND, SAID REVERSED PORTION TERMINATING IN A CIRCUMFERENTIAL WEDGE SHAPED ELEMENT, SAID REVERSED PORTION OF SAID SHEATH BEING SUBSTANTIALLY LONGER THAN THE GREATEST WIDTH OF SAID WEDGE SHAPED TERMINATING PORTION AND THINNER IN WIDTH THAN THE GREATEST WIDTH OF SAID WEDGE SHAPED TERMINATING PORTION, A SLEEVE INSERTED BETWEEN SAID SHEATH AND SAID REVERSED PORTION THEREOF, SAID SLEEVE HAVING A WEDGE SHAPED RECESS MATING WITH THE WEDGE SHAPED PORTION OF SAID REVERSED SECTION AND A COLLAR THREADED IN SAID MOUNTING GLAND AROUND SAID SHEATH TO ABUT AGAINST AND HOLD SAID SLEEVE BETWEEN SAID SHEATH AND SAID REVERSED SECTION OF SAID SLEEVE TO MAINTAIN A LIQUID TIGHT SEAL BETWEEN SAID SHEATH AND SAID MOUNTING GLAND.