Patents Examined by T. Mayo-Pinnock
  • Grout pack restraining system
    Patent number: 7654777
    Abstract: The invention provides a grout pack restraining system, comprising a plurality of elongate elements shaped to extend about a grout pack and which are characterized in that they are configured to control circumferential expansion of the grout pack beyond the expansion permitted through material yield of the elements. In one embodiment the rings of different diameter are secured about the grout pack. In a further embodiment the rings are configured to be circumferentially expandable are secured about the grout pack.
    Type: Grant
    Filed: June 12, 2006
    Date of Patent: February 2, 2010
    Assignee: Norsenet (PTY) Limited
    Inventor: Nils Mittet Skarbövig