Patents by Inventor Walter Christof

Walter Christof 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).

  • Sector molds with radial recoil combined with swinging
    Patent number: 5141424
    Abstract: Upon the opening of this sector mold 30, the rods 43, which penetrate into recesses 39 which are pierced through plates 37, assure purely radial mold removal by producing a pull on the sectors 30. This arrangement is compatible with a subsequent swinging of the sectors 30.
    Type: Grant
    Filed: April 4, 1991
    Date of Patent: August 25, 1992
    Assignee: Pneumatiques Kleber
    Inventor: Walter Christof