Patents Represented by Attorney, Agent or Law Firm David F. Jancl
  • Headbox for gypsum/fiber board production
    Patent number: 6605186
    Abstract: A headbox for use in a water felting process includes a housing and two rotating horizontal distribution rolls. The housing has curved sections shaped to conform to the outer cylindrical surface of the distribution rolls, wherein the curved section is closely spaced to a portion of the outer cylindrical surface of both distribution rolls.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: August 12, 2003
    Assignee: United States Gypsum Company
    Inventor: David Paul Miller