Patents Examined by Michael P. Colaoanni
  • Method and apparatus for applying a coating solution
    Patent number: 5853482
    Abstract: Apparatus and method for applying a coating solution to a running substrate using a slot die having two die lips forming a gap therebetween. The gap also defines an outlet for releasing the coating solution to the substrate. The lips have plurality of manifold chambers communicating with gas feeder and coating solution feeder provided in the die lips. The manifold chambers communicate with the outlet. The width of the coating solution is adjustable with the gas pressure applied to the gas feeder.
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: December 29, 1998
    Assignee: AGFA-Gervaert AG
    Inventors: Uwe Gartmann, Hermann Idstein, Guenter Hultzsch