Patents by Inventor Bruno Atts

Bruno Atts 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: 7251890
    Abstract: A method for producing a wheel pan includes cold-rolling a rectangular metal strip of a given uniform thickness by conical rolls into a semicircular ring, such that the thickness reduction on the outer edge of the curved strip is at least 20%, and the circumference of the semicircular ring thus produced extends 130-310°, preferably 180°; bending the semicircular ring into a complete circle to produce a conical hoop, welding the ends together; and shaping the hoop to form the bottom of the pan.
    Type: Grant
    Filed: April 27, 2004
    Date of Patent: August 7, 2007
    Assignee: Michelin Kronprinz Werke GmbH
    Inventor: Bruno Atts
  • Publication number: 20040239172
    Abstract: A method for producing a wheel pan includes cold-rolling a rectangular metal strip of a given uniform thickness by conical rolls into a semicircular ring, such that the thickness reduction on the outer edge of the curved strip is at least 20%, and the circumference of the semicircular ring thus produced extends 130-310°, preferably 180°; bending the semicircular ring into a complete circle to produce a conical hoop, welding the ends together; and shaping the hoop to form the bottom of the pan.
    Type: Application
    Filed: April 27, 2004
    Publication date: December 2, 2004
    Applicant: Michelin Kronprinz Werke GmbH
    Inventor: Bruno Atts