Patents Assigned to GK CORPORATION, LTD.
  • Patent number: 9045815
    Abstract: The present invention relates to an aluminum alloy for die-casting. More particularly, the present invention relates to an aluminum alloy being usable for die-casting and including 1.0% to 5.0% by weight of Mn, 0.5% to 1.5% by weight of Zn, 1.0% to 2.0% by weight of Zr, 0.5% to 1.5% by weight of Cu and 85% to 97% by weight of aluminum. Surface smut due from silicon smutting is not caused after a molding process so that a product can have a clear color, Furthermore, the aluminum alloy can increase an adhesion strength of a coating layer thereby increasing a durability of a die-casting product. Furthermore, because the aluminum alloy does not include a heavy metal harmful to human being, the aluminum alloy may be non-toxic and environment-friendly.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: June 2, 2015
    Assignee: GK CORPORATION, LTD.
    Inventors: Jung Taek Lee, Myeong Hyoen Nam, Kab Yong Park, Jong Hoon Jeong
  • Publication number: 20130156635
    Abstract: The present invention relate to an aluminum alloy for die-casting. More particularly, the present invention relate to an aluminum alloy being usable for die-casting and including 1.0% to 5.0% by weight of Mn, 0.5% to 1.5% by weight of Zn, 1.0% to 2.0% by weight of Zr, 0.5% to 1.5% by weight of Cu and 85% to 97% by weight of aluminum. Surface smut due from silicon smutting is not caused after a molding process so that a product can have a clear color. Furthermore, the aluminum alloy can increase an adhesion strength of a coating layer thereby increasing a durability of a die-casting product. Furthermore, because the aluminum alloy does not include a heavy metal harmful to human being, the aluminum alloy may be non-toxic and environment-friendly.
    Type: Application
    Filed: December 20, 2011
    Publication date: June 20, 2013
    Applicant: GK CORPORATION, LTD.
    Inventors: Jung Taek Lee, Myeong Hyoen Nam, Kab Yong Park, Jong Hoon Jeong