Spring Patents (Class 238/48)
  • Patent number: 4204660
    Abstract: Apparatus for molding rail ties of the type which include one or more fastening devices embedded in the concrete of the type having a shoe plate which rests on the tie and a projecting tab part, the mold having plates, which are preferably removable inserts, for accepting the shoe portion of the device, and flexible jaws which engage the projecting tab part to align it with respect to the mold.
    Type: Grant
    Filed: August 23, 1978
    Date of Patent: May 27, 1980
    Assignee: Societe B.M. Costamagna
    Inventor: Jean-Louis J. Feuillade