Patents Assigned to Kunststofftechnik Rodenberg GmbH & Co. KG
  • Turbine blade for hydroelectric generators
    Patent number: 4946347
    Abstract: To reduce the manufacturing expense of turbine blades and specifically, to extensively avoid their stock removal type processing, a blade is constructed of a metallic core and an outer skin which covers at least approximately the entire wetted surface of the turbine blade and is made by molding, from a nonmetallic material such as polyurethane, caoutchouc or similar elastomeric plastic.
    Type: Grant
    Filed: December 9, 1988
    Date of Patent: August 7, 1990
    Assignee: Kunststofftechnik Rodenberg GmbH & Co. KG
    Inventor: Karl Otto