发明授权
- 专利标题: Pipe connectors
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申请号: US3606393D申请日: 1969-09-05
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公开(公告)号: US3606393A公开(公告)日: 1971-09-20
- 发明人: HUNTSINGER CARL F , HUNTSINGER FRITZ R JR , HYNES JOSEPH H , BULGIN GEORGE B
- 申请人: VETCO OFFSHORE IND INC
- 专利权人: Vetco Inc
- 当前专利权人: Vetco Inc
- 优先权: US85553569 1969-09-05
- 主分类号: F16L21/08
- IPC分类号: F16L21/08 ; E21B17/046 ; E21B17/08 ; F02B3/06 ; F16L25/06 ; F16L15/00
摘要:
A MARINE RISER CONNECTOR FOR UNDERWATER WELL HEAD EQUIPMENT, THE RISER CONNECTOR HAVING A PIN MEMBER PROVIDED WITH A GROOVE FOR RECEIVING A RESILIENT LOCK RING CARRIED BY A BOX MEMBER. THE LOCK RING HAS OVERLAPPED ENDS AND IS CENTRALIZED IN A GROOVE IN THE BOX BY SPRING-LOADED CENTRALIZER PINS. THE LOCK RING IS ACTUATABLE INTO LOCKING ENGAGEMENT WITHIN THE GROOVE IN THE PIN BY ACTUATOR SCREWS HAVING LOCK RING ENGAGING PADS, AND LOCK PLATES ARE PROVIDED TO PREVENT ROTATION OF THE ACTUATOR SCREWS EXCEPT WHEN THEY ARE ENGAGED BY A DRIVING TOOL.