Patents Assigned to A/S Dansk Spaendbeton
  • Patent number: 4207716
    Abstract: In a large size receptacle, e.g. for a mixture of liquid and solid manure, the peripheral wall comprises a circular series of reinforced concrete slabs having a plain external surface and presenting, at each vertical joint between successive slabs, groove shaped recesses or notches for receiving circumferentially extending pre-stressing wires.
    Type: Grant
    Filed: September 5, 1978
    Date of Patent: June 17, 1980
    Assignee: A/S Dansk Spaendbeton
    Inventor: Soren J. Moldrup