Compression fitting

Claim 1

IN A COMPRESSION FITTING OF THE CHARACTER DESCRIBED, A BODY MEMBER HAVING AN INTERNAL ABUTMENT FOR ONE END OF A TUBE WHICH IS ADAPTED TO BE SECURED TO SAID BODY MEMBER AND WHICH TUBE IS INITIALLY IN ENGAGEMENT WITH SAID ABUTMENT, SAID BODY MEMBER HAVING A CONICAL INNER SURFACE ADJACENT SAID ABUTMENT, AND A NUT MEMBER THREADEDLY SECURED TO SAID BODY MEMBER, SAID NUT MEMBER HAVING A FORWARD PORTION EMBRACING SAID TUBE, AND A SLEEVE INTEGRALLY CONNECTED TO SAID FORWARD PORTION, SAID SLEEVE COMPRISING A REAR SECTION HAVING ITS INNER SURFACE IN SPACED RELATION TO THE OUTER WALL OF SAID TUBE WHEREBY TO PROVIDE A SPACE ADAPTED TO RECEIVE SAID FORWARD PORTION OF THE NUT MEMBER, AND A FRONT SECTION IN ENGAGEMENT WITH SAID TUBE AND HAVING AN OUTER SURFACE IN ENGAGEMENT WITH SAID CONICAL INNER SURFACE OF SAID BODY MEMBER, SAID FORWARD PORTION OF THE NUT MEMBER BEING JOINED TO THE REAR SECTION OF THE SLEEVE BY A RUPTURABLE CONNECTION EXTENDING FROM THE REAR SECTION OF SAID SLEEVE TO THE RADIALLY OUTER FACE OF SAID FORWARD PORTION OF THE NUT MEMBER AND RUPTURABLE UPON MOVEMENT OF SAID NUT MEMBER TOWARDS SAID BODY MEMBER AND SAID FORWARD PORTION OF THE NUT MEMBER BEING OF A LENGTH GREATER THAN THE LENGTH OF SAID SLEEVE REAR SECTION WHEREBY CONTINUING MOVEMENT OF THE NUT MEMBER RELATIVELY TO SAID BODY MEMBER CAUSES SAID FORWARD PORTION OF THE NUT MEMBER TO ENTER SAID SPACE AND EXERT PRESSURE ON THE FRONT SECTION OF THE SLEEVE OF THE NUT MEMBER, WHEREBY SAID FRONT SECTION IS MOVED FORWARDLY TO BE CONTRACTED IN DIAMETER BY SAID CONICAL INNER SURFACE TO LOCK SAID FRONT SECTION TO SAID TUBE.