Tube fitting

Claim 1

MEANS SEALING BETWEEN A WALL OF AN ENCLOSURE AND A HOLLOW, TUBULAR FITTING BODY DISPOSED IN AN OPENING IN SAID WALL AND SAID BODY AND ALL OF THE SEALING MEANS INTEGRAL THEREWITH BEING OF A SIZE TO PASS THROUGH SAID OPENING, COMPRISING: A COLLAR OF A SIZE LARGER THAN SAID OPENING ABUTTING A FIRST SIDE OF SAID WALL WITHIN SAID ENCLOSURE, SAID COLLAR BEING SPLIT INTO TWO SEGMENTS WHEREBY SAID COLLAR MAY BE REMOVED FROM SAID BODY AND SAID COLLAR HAVING INTERIOR LONGITUDINAL SERRATIONS AND SAID FITTING BODY HAVING LONGITUDINAL SERRATIONS INTERLOCKING AGAINST ROTATION WITH SAID COLLAR SERRATIONS AND PERMITTING LONGITUDINAL ADJUSTMENT OF SAID COLLAR, A FORK-ENDED ARMS EXTENDING FROM ONE COLLAR SEGMENT AND AN ABUTMENT SECURED TO SAID WALL AND DISPOSED IN THE FORK OF SAID ARM, AN ANNULAR SLEEVE ENCIRCLING SAID COLLAR SEGMENTS TO RETAIN THEM IN POSITION. THE ENDS OF SAID COLLAR SEGMENTS BEING SPACED FORMING A RECESS, A FIRST NUT THREADEDLY ENGAGED ON SAID FITTING BODY AND HAVING A LUG FITTING IN SAID RECESS, THE THREADS FOR SAID FIRST NUT ON SAID FITTING BODY BEING SUPERIMPOSED ON AT LEAST A PORTION OF THE BODY SERRATIONS, SAID FIRST NUT BEING OF LARGER DIAMETER THAN SAID SLEEVE THEREBY FORMING AN ABUTMENT PREVENTING MOVEMENT OF SAID SLEEVE OFF SAID COLLAR, SAID SLEEVE AND SAID FIRST NUT BEING OF A SIZE TO PASS THROUGH SAID OPENING, A SECOND NUT THREADEDLY ENGAGED ON SAID FITTING BODY AT THE SECOND SIDE OF SAID WALL, AND A SEALING RING DISPOSED ON SAID FITTING BODY BETWEEN SAID SECOND NUT AND SAID WALL AND HAVING A PAIR OF ANNULAR, RESILIENT SEALING RINGS, ONE RING EFFECTING A SEAL WITH SAID FITTING BODY AND THE OTHER RING EFFECTING A SEAL WITH SAID WALL.