Patents by Inventor Franco Bottaro

Franco Bottaro 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).

  • Composite air-knife
    Patent number: 3977359
    Abstract: In a coating apparatus, doctor means for effecting a uniform coating of a molten metal includes an air-knife means having a sliding shutter disposed within the nozzle at each end of the slot thereof. Each shutter is configurated and operatively associated with a nozzle wall to form a chamber having an opening at the nozzle slot. Means feed a gaseous fluid through each said chamber at a relatively high pressure to therby effect a composite air-knife having higher pressures at the ends thereof.
    Type: Grant
    Filed: July 29, 1975
    Date of Patent: August 31, 1976
    Assignee: Italsider S.p.A.
    Inventor: Franco Bottaro