Patents Assigned to Maschinenfabrik J. Banning AG
  • Method and apparatus for radial expansion of rings
    Patent number: 4688407
    Abstract: In a method for the radial expansion of rings, in particular by means of rolling tools, it is provided in accordance with the invention that the radial surfaces and the end faces of the ring that is to be machined are machined in alternation using the same pair of tools. The apparatus for performing the method includes a ring rolling machine in which the ring that is to be formed rests on a support that is pivotable by 90.degree. to alternatively bring the radial surfaces and the end faces of the ring into engagement with the tools.
    Type: Grant
    Filed: September 25, 1985
    Date of Patent: August 25, 1987
    Assignee: Maschinenfabrik J. Banning AG
    Inventor: Horst Schroder