Patents Examined by Allen Lieberman
  • Patent number: 3997291
    Abstract: A process for the washing of printed textile materials includes the steps of wetting a printed material with a treatment liquor, allowing the wetted printed material to dwell in a steeping bowl containing a treatment liquor for several minutes in a folded state with the material moving slowly through the steeping bowl and removing substances loosened by the steeping treatment from the printed material in an intensive flow-through washing stage by passing the printed material over a perforated surface of a perforated drum means within a washing bowl.
    Type: Grant
    Filed: November 19, 1973
    Date of Patent: December 14, 1976
    Assignee: Vepa AG
    Inventor: Heinz Fleissner