Patents by Inventor Poloni Alfredo

Poloni Alfredo 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).

  • High speed flying shears
    Patent number: 6038951
    Abstract: High speed flying shears with contrarotating blades (13) fitted to blade-holder drums (30), the shears comprising an upstream one-channel switch (16) of a start-stop type which conveys the rolled stock (11) lengthwise into sharing area and can be oriented laterally on a plane substantially containing the axis of feed of the rolled stock (11) and parallel to and lying between the planes containing shafts (12) of rotation of the blade-holder drums (30), the circumferential position of the blades (13) being associated with the lateral position of the upstream one-channel switch (16) at least in the transient time of the feed of the rolled stock (11) through the shearing area (35), a two-channel (22-23) switch (20) which can be oriented laterally substantially on the same orientation plane as, and in synchronization with, the one-channel switch (16), the two-channel switch (20) including the inlets of two enlarged channels (22-23) superimposed on each other on a plane perpendicular to the axis (12) of rotation of
    Type: Grant
    Filed: March 25, 1994
    Date of Patent: March 21, 2000
    Assignee: Danieli & C. Officine Meccaniche SpA
    Inventor: Poloni Alfredo