Patents Assigned to Coda Limited
  • Jointing system for pipes
    Patent number: 6641178
    Abstract: A copper pipe has a circumferential groove formed in an outer wall to receiver an O-ring seal. The groove is formed a pre-set distance from a free end of the pipe. Two pipe lengths are jointed together by a coupling having a housing with pipe seal-receiving seats at each end for receiving the O-ring seal fitted to the pipe. Caps screw threadingly engage the housing to clamp the pipe lengths in the housing. The fitting can be pre-assembled and used as a push-in fitting with a subsequent tightening by hand.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: November 4, 2003
    Assignee: Coda Limited
    Inventor: Denis Brendan Gowing