Patents Assigned to PFT Putz und Fordertechnik GmbH
  • Method and apparatus for the application of mortar or concrete by spraying
    Patent number: 5433519
    Abstract: A method and device for the application of mortar or concrete by spraying, wherein a quick-acting binding agent mixed with an admixture is transferred to a spraying-nozzle by a pneumatic conveyor where water is added, wherein the binding agent is added mixed with the admixture during the pneumatic transfer.
    Type: Grant
    Filed: January 25, 1994
    Date of Patent: July 18, 1995
    Assignee: PFT Putz und Fordertechnik GmbH
    Inventor: Hans-Peter Irsch