Patents Assigned to Max Daetwyler Corporation
  • Patent number: 5638751
    Abstract: A wiping blade, especially useful as a doctor blade for gravure printing and made from a single piece of unitary material, e.g., metal, is provided. The doctor blade has a top surface and a planar bottom surface spaced from the top surface. Front and rear longitudinal edges are spaced from and parallel to each other. The blade has a backup portion which has a first thickness and extends a first distance from the rear edge toward the front edge. The blade also has a doctor blade portion that extends a second distance from the backup portion toward the front edge and has a second thickness less than the first thickness. Furthermore, the doctor blade can include a blade tip portion that extends a third distance from the doctor blade portion to the front longitudinal edge and which has a third thickness less than the second thickness. The blade tip portion may also have an angled tip end at the front longitudinal edge angled upward from the planar bottom surface.
    Type: Grant
    Filed: October 26, 1994
    Date of Patent: June 17, 1997
    Assignee: Max Daetwyler Corporation
    Inventors: Peter Daetwyler, James P. Dolan