Patents Assigned to Oystertec plc
  • Patent number: 6485064
    Abstract: A connector is forming a connection between a pipe or other item having a threaded end and a length of hose. The connector comprises an elongate hose engaging element (5) and, located thereon, a collar (35) having a threaded portion (39) for engagement with a threaded pipe end. The connector is provided with sealing means (49) for sealing between the collar and the hose engaging element.
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: November 26, 2002
    Assignee: Oystertec Plc
    Inventor: Paul Davidson
  • Patent number: 6481086
    Abstract: A method is provided for interconnecting an end of a pipe with a hollow structure having a screw-threaded tubular inlet thereto. The method includes applying a one-part annular sealing member around the pipe, wherein the annular sealing member has a screw-threaded portion for engagement with the screw-threaded tubular inlet and is provided with the first and second sealing means; distorting outwardly the end of the pipe around at least a portion of the periphery thereof; and effecting screw-threaded engagement between the annular sealing member and the tubular inlet, such that sealing engagement is effected between the annular sealing member and the pipe end over a plurality of relative axial positions therebetween. The first sealing means effects sealing engagement between the annular sealing member and the inlet, and the second sealing means effects sealing engagement between the annular sealing member and the pipe end.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: November 19, 2002
    Assignee: Oystertec plc
    Inventor: Paul Davidson