公开(公告)号：US3588132A

公开(公告)日：1971-06-28

申请号：US3588132D

申请日：1968-10-28

申请人： PLASTIERS LTD OF NATHAN WAY WO

发明人： EDMONDSON RONALD

IPC分类号： F16L17/025 ,  F16L27/12 ,  F16L47/10 ,  F16L47/18 ,  F16J15/10

CPC分类号： F16L47/18 ,  F16L17/025 ,  F16L27/12 ,  F16L47/10 ,  Y10S277/925 ,  Y10S285/915

摘要： THIS INVENTION RELATES TO SEAL RING FITTINGS FOR PIPES FOR PROVIDING A FLUIDTIGHT SEAL BETWEEN TWO PIPES WHICH ARE TO BE JOINED TOGETHER. PREFERABLY THE FITTING IS MADE OF A SYNTHETIC PLASTICS MATERIAL AND COMPRISES A BODY PORTION INCLUDING A TERMINAL SOCKET SECTION IN WHICH IS FORMED AN ANNULAR OPEN ENDED RECESS. A RESILIENT SEALING RING IS RETAINED IN THIS RECESS BY MEANS OF A LOCKING RING HAVING A SURFACE WHICH CLOSES THE END OF THE RECESS AND THE RING IS PROVIDED WITH MEANS WHICH COOPERATE WITH THE SOCKET SECTION TO MAINTAIN THE RING IN ENGAGEMENT THEREWITH.