Patents Assigned to NAL Products APS
  • Heatable packer
    Patent number: 9841135
    Abstract: Packer for use when repairing underground pipe systems, where said packer comprises a flexible and/or expandable main body portion surrounding a hollow interior, said body portion having an elongated shape defining first and second ends in either end of the main body portion, and where heating means are arranged in the packer for heating the packer or at least the surface of the packer, and means are provided for pressurizing the interior of the packer thereby expanding the packer.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: December 12, 2017
    Assignee: NAL Products APS
    Inventor: Niels Arne Lauridsen