Patents Assigned to Universal Development Company Ltd.
  • Process and apparatus for continuously prestressing concrete products
    Patent number: 4240776
    Abstract: An apparatus for prestressing reinforcing tendons in concrete products comprising means for supplying continuous tendons over an elongated mould bed. Primary anchoring means grip and stress the tendons while permitting placement of one of a series of moulds. Secondary anchoring means are fixed to means for advancing the moulds along the bed to permit transferring of the grip on the tendons between the primary and secondary anchoring means or vice versa to maintain the prestressing force.
    Type: Grant
    Filed: April 5, 1979
    Date of Patent: December 23, 1980
    Assignee: Universal Development Company Ltd.
    Inventor: Alister Black