Pipe coupling for high-pressure gas and oil underwater pipe lines, and process of insalling same
阅读：163发布：2022-12-06
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1. A PIPE COUPLING FOR HIGH-PRESSURE GAS AND OIL UNDERWATER PIPE LINES FOR COUPLING END SECTIONS OF THE PIPE ACROSS A DIVISION BETWEEN SAID SECTIONS COMPRISING (A) AN INNER PIPE COUPLING MEANS BRIDGING THE ADJACENT ENDS OF THE PIPE SECTIONS, FLUID SEAL MEANS SEALINGLY DISPOSED BETWEEN SAID COUPLING MEANS AND EACH OF SAID PIPE SECTIONS, SAID COUPLING PERMITTING LIMITED RELATIVE AXIAL MOVEMENT OF SAID PIPE SECTIONS, (B) AN OUTER PIPE COUPLING MEANS COMPLETELY ENCLOSING THE INNER PIPE COUPLING MEANS AND RADIALLY AND AXIALLY SPACED THEREFROM, (C) MEANS FOR SECURING THE OUTER PIPE COUPLING MEANS TO THE PIPE SECTIONS AGAINST AXIAL MOVEMENT THEREON, UNDER NORMAL AXIAL FORCES ACTING THEREAGAINST, (D) PIPE KEEPER MEANS FIXED TO EACH OF SAID PIPE SECTIONS BETWEEN THE INNER AND OUTER COUPLING MEANS IN THE AXIAL SPACE BETWEEN THE INNER AND OUTER COUPLING MEANS, AND (E) SAID OUTER COUPLING MEANS HAVING THE END PORTIONS THEREOF DISPOSED IN THE PATH OF POSSIBLE MOVEMENT OF THE PIPE KEEPER MEANS AS SAID PIPE SECTIONS MOVE AXIALLY UNDER ABNORMAL AXIAL FORCE ACTING THEREON TO ENGAGE SAID PIPE KEEPER MEANS AND ARREST THE SAID AXIAL MOVEMENT OF THE PIPE SECTIONS.
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