Patents Assigned to UTP Welding Materials Co., Ltd.
  • High-speed flame spraying gun having resistant surface film
    Patent number: 5165705
    Abstract: A high-speed flame spraying gun is provided with a water-cooled combustion chamber, an injection gas mixing block and an expanding nozzle. In the high-speed flame spraying gun, the surfaces acted upon by gas and flame possess a surface film which as no affinity to the molten admixed spray material or the other combustion residues. The surface film preferably lines the combustion chamber and/or an expansion nozzle coupled thereto.
    Type: Grant
    Filed: August 8, 1990
    Date of Patent: November 24, 1992
    Assignee: UTP Welding Materials Co., Ltd.
    Inventor: Erwin D. Huhne