Patents by Inventor Domenico Bertoli

Domenico Bertoli 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).

  • Patent number: 5247821
    Abstract: A method for feeding billets in horizontal extruding presses which comprises the opening of the container, the cutting off of the surplus of the billet extruded simultaneously to the supplying of a new billet in line with the container and to a simultaneous withdrawal of the press shank after each extruding operation and with the withdrawl of the main piston; then the advancing of the pusher for the insertion of a new billet into the container which is still open and the simultaneous withdrawal of the billet shear and of the feeder means for the supplying of the billet; the closing of the container when the pusher retracts and the movement of the press shank on the axis of the container; finally the advancing of the main piston for the inserting of the press shank into the container for the extrusion operation.
    Type: Grant
    Filed: May 29, 1991
    Date of Patent: September 28, 1993
    Assignee: OMAV S.p.A.
    Inventor: Domenico Bertoli