Patents Assigned to PW-System AB
  • Cleaning machine for treating goods with liquid and granules
    Patent number: 5601480
    Abstract: A cleaning machine for treating goods with liquid only or with liquid mixed with granules which are heavier than the liquid, comprises a treating chamber (2), a pump device (3, 4) for circulating the liquid with or without granules and discharge thereof through nozzles (8) towards the goods in the treating chamber (2), and a collecting container (1) located beneath the treating chamber (2) and having a space (9) for liquid and granules, which space (9) communicates with said treating chamber (2).
    Type: Grant
    Filed: October 24, 1994
    Date of Patent: February 11, 1997
    Assignee: PW-System AB
    Inventor: Bengt Nilen