Patents Assigned to Dongyang Gangchul., Ltd.
  • Reinforcement frame for a display panel using extruded aluminum alloy and apparatus and method for manufacturing the same
    Patent number: 8174848
    Abstract: Disclosed is a reinforcement frame for a display panel using aluminum alloy extrusion members and an apparatus and a method for manufacturing the same, wherein, while a number of unitary aluminum alloy extrusion members abut one another, a welding head is used to cause the abutting portions to undergo friction resulting from high-speed rotation so that the members are melted and welded to one another by the resulting frictional heat.
    Type: Grant
    Filed: November 2, 2007
    Date of Patent: May 8, 2012
    Assignee: Dongyang Gangchul., Ltd.
    Inventors: Do-Bong Park, Sang-Woo Park, Kae-Hee Oh, Jin-Woo Park
  • REINFORCEMENT FRAME FOR A DISPLAY PANEL USING EXTRUDED ALUMINUM ALLOY AND APPARATUS AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20100039788
    Abstract: Disclosed is a reinforcement frame for a display panel using aluminum alloy extrusion members and an apparatus and a method for manufacturing the same, wherein, while a number of unitary aluminum alloy extrusion members abut one another, a welding head is used to cause the abutting portions to undergo friction resulting from high-speed rotation so that the members are melted and welded to one another by the resulting frictional heat.
    Type: Application
    Filed: November 2, 2007
    Publication date: February 18, 2010
    Applicant: DONGYANG GANGCHUL., LTD
    Inventors: Do-Bong Park, Sang-Woo Park, Kae-Hee Oh, Jin-Woo Park