Patents by Inventor Walter L. Ashbrook

Walter L. Ashbrook 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).

  • Guard for slitting wheel
    Patent number: 4041823
    Abstract: A two section guard for enclosing the upper and lower parts of a slitting wheel designed to slit continuously moving tapes of material such as paper, cloth, and plastic film. The slitting wheel extends through the bottom portion of the lower guard only far enough to engage the tape and a backup shear wheel. The lower portion of the guard is slotted for adjustment to accommodate slitting wheels of varying diameters.
    Type: Grant
    Filed: March 12, 1976
    Date of Patent: August 16, 1977
    Assignee: Champion International Corporation
    Inventor: Walter L. Ashbrook