Patents by Inventor Leo R. Gale

Leo R. Gale 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: 4228672
    Abstract: An apparatus for producing shaped metal objects such as collars for ventillating systems. The apparatus includes drive means for advancing a flat metal sheet past a rotary tool whereby notches are formed along one side of the sheet. The tool is provided with a stabilizing fitting and spring means to insure consistent notch forming. The notched sheet may be collected and formed into a rectangular configuration by other equipment or a removably attached sheet crimping and deflecting mechansim may be mounted in the path of movement of the notched sheet. This mechanism includes crimping rolls, and the deflecting means positioned beyond the crimping rolls operate to turn the sheet into a circular configuration whereby the product of the apparatus is automatically formed into a circular collar.
    Type: Grant
    Filed: June 5, 1978
    Date of Patent: October 21, 1980
    Assignee: The Lockformer Company
    Inventors: Leo R. Gale, Robert R. Heilman