Patents Assigned to Aktiengesellschaft Rolba
  • Sweeper particularly for collecting dust-like material, and the utilization thereof
    Patent number: 4457043
    Abstract: The problem in picking up and collecting very fine dusts such as aluminum dust, cement and the like is to exhaust the transport air into the atmosphere without dusts.
    Type: Grant
    Filed: July 13, 1981
    Date of Patent: July 3, 1984
    Assignee: Aktiengesellschaft Rolba
    Inventors: Lennart Oeberg, Alex Meyerhans