Patents Assigned to Matthew J. C. Witt
  • Piston cleaning and coating method and apparatus
    Patent number: 5993564
    Abstract: A method and apparatus for washing and drying a piston and thereafter coating the piston skirt with a dry film lubricant coating and oven-curing said coating. In the washing and drying operation the piston is carried through the apparatus on a conveyor, is spun while wash solution is sprayed on it, is spun while rinse water is sprayed on it, is spun to throw off rinse water, and has air blown against it to remove moisture from its surface. A flash chamber is used in the curing step.
    Type: Grant
    Filed: February 7, 1997
    Date of Patent: November 30, 1999
    Assignee: Matthew J. C. Witt
    Inventors: Matthew J. C. Witt, Clark B. Langmack