Roller Patents (Class 101/348)
  • Patent number: 4009658
    Abstract: The present invention is directed to a novel metering roll for inks or the like and to the method of making the same. In accordance with the invention, a cylindrical metallic roller core is provided with a multiplicity of shaped indentations or receiver cells in its periphery, in concentration of from about 35 to 90 cells per lineal inch in each direction, the cells being preferably generally in the form of inverted pyramids of a selected volumetric capacity, the receiver cells being preferably closely spaced and separated by land areas of minimal size of the order of 30 microns or less.
    Type: Grant
    Filed: April 26, 1974
    Date of Patent: March 1, 1977
    Assignee: Pamarco Incorporated
    Inventor: Charles R. Heurich
  • Patent number: 4007682
    Abstract: Disclosed is an improved method for the inking of an inking roller in conventional printing techniques. The method involves applying an ink film to the inking roller which is everywhere thicker than the desired thickness and applying a doctor blade, mounted at a reverse angle, to the ink to split it and apply it to the roller in the desired thickness when relative motion is provided between the roller and the doctor blade.
    Type: Grant
    Filed: July 7, 1975
    Date of Patent: February 15, 1977
    Assignee: Xerox Corporation
    Inventor: Robert W. Gundlach