Anode assembly for cathodic protection service

Claim 1

A GALVANIC ANODE ASSEMBLY FOR INSERTION THROUGH THE WALL OF A METAL VESSEL TO BE PROTECTED CATHODICALLY, COMPRISING AN ELONGATE BODY OF A GALVANICALLY ACTIVE METAL ANODIC TO THE METAL OF THE VESSEL INSERTIBLE THROUGH THE VESSEL WALL, A RIGID STEEL ROD EMBEDDED IN SAID BODY OF METAL AND BONDED DIRECTLY THERETO, SAID ROD EXTENDING AXIALLY OF SAID BODY TO A POINT JUST SHORT OF THE INNER END THEREOF, SAID ROD HAVING AN ELONGATE EXTERNALLY THREADED EXTENSION PROJECTING AXIALLY FROM THE OPPOSITE END OF SAID BODY OF METAL TO THE EXTERIOR OF SAID WALL, A GENERALLY CIRCULAR CAP MEMBER SLIDABLY MOUNTED ON THE EXTERIORLY PROJECTING PORTION OF SAID EXTENSION, A DIELECTRIC SPACER SLEEVE MOUNTED ON SAID EXTENSION, BETWEEN THE CAP MEMBER AND SAID BODY, MEANS FOR DRAWING THE CAP MEMBER AND SAID BODY OF METAL TOWARD EACH OTHER, A MOUNTING COLLAR SECURED TO THE EXTERIOR OF THE VESSEL WALL AND SURROUNDING THE EXTERIORLY PROJECTING PORTION OF SAID EXTENSION, AND CONNECTOR MEANS RELEASABLY SECURING SAID CAP MEMBER TO SAID COLLAR WHEREBY TO SUPPORT SAID ANODE ASSEMBLY IN OPERATIVE POSITION IN THE VESSEL.