Patents by Inventor Leonardo Cribiu'

Leonardo Cribiu' has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Device for separation of sprues from molded pieces of different shapes and sizes
    Patent number: 4560070
    Abstract: This invention relates to an improved device for separation of sprues from molded pieces, comprising a substantially cylindrical drum element open on both bases, slanting and rotatably carried; the bases, comprising rings with rollers located at an adjustable distance from one another engaging thereon, provide sets of rollers arranged on different diameters to prearrange a passage zone for the pieces and risers or sprues to be separated.
    Type: Grant
    Filed: September 30, 1983
    Date of Patent: December 24, 1985
    Assignee: Crizaf di O. & L. Cribiu' S.n.c.
    Inventors: Oreste Cribiu', Leonardo Cribiu'