Patents Assigned to Crea S. R. L.
  • Method for cutting a window in a vertical sheet of material, especially sheet metal
    Patent number: 6365872
    Abstract: A method for cutting a window in a sheet of material that is held in a vertical plane. The cut is obtained by moving a cutting head that emits a fluid along a closed cutting run (14) that defines the outline of a piece of waste material (18). The run (14) returns to its starting point situated above a horizontal axis (22) passing through the barycenter (20) of the piece of waste material (18) and preferably situated in the vicinity of a vertical (24) passing through the barycenter.
    Type: Grant
    Filed: January 11, 2000
    Date of Patent: April 2, 2002
    Assignees: Amada Company, Limited, Crea S. R. L.
    Inventors: Alberto Arduino, Luciano Sponza, Paolo Gian Prunotto