Patents Assigned to B. M. Costamagna et Cie
  • Device for handling cross ties of prestressed concrete or analogous products
    Patent number: 4249440
    Abstract: Apparatus for delivering ties after unmolding from a first location to a trimming station which includes a conveyor operative between the first location and the trimming station, a gantry having a pair of arms for grasping the ends of the tie, lifting the tie from the first location, rotating the tie and delivering it to said conveyor.
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: February 10, 1981
    Assignee: B. M. Costamagna et Cie
    Inventor: Jean L. J. Feuillade
  • Manufacture of prestressed products
    Patent number: 4249873
    Abstract: Apparatus for forming prestressed concrete beams comprising groups of molds, each group forming a module, with the modules arranged consecutively and tracks are placed alongside the modules. Plates seal off the ends of each mold and the beams are lifted off the molds by the plates after the prestressing wires have been cut.
    Type: Grant
    Filed: March 14, 1979
    Date of Patent: February 10, 1981
    Assignee: B. M. Costamagna et Cie
    Inventor: Jean Louis J. Feuillade