Patents by Inventor Raymond H. Pell

Raymond H. Pell 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).

  • Method and apparatus for changing rolls for a rolling mill
    Patent number: 4026136
    Abstract: Arrangement including the use of at least two novel dual work roll supporting devices for supporting new or refinished work rolls on one device and a used work roll and mounted chock assemblies on another device, in the same relative relationship to permit removal of the chock assemblies as units from the used work rolls and mounting of the chock assemblies on new or refinished work rolls without requiring disengagement of the top and bottom work roll chocks.
    Type: Grant
    Filed: April 13, 1976
    Date of Patent: May 31, 1977
    Assignee: National Steel Corporation
    Inventor: Raymond H. Pell
  • Method and apparatus for changing rolls for a rolling mill
    Patent number: 3951268
    Abstract: Arrangement including the use of at least two novel dual work roll supporting devices for supporting new or refinished work rolls on one device and a used work roll and mounted chock assemblies on another device, in the same relative relationship to permit removal of the chock assemblies as units from the used work rolls and mounting of the chock assemblies on new or refinished work rolls without requiring disengagement of the top and bottom work roll chocks.
    Type: Grant
    Filed: January 7, 1974
    Date of Patent: April 20, 1976
    Assignee: National Steel Corporation
    Inventor: Raymond H. Pell