Patents Assigned to METALTECH INDUSTRIAL CO., LTD.
  • Publication number: 20110113931
    Abstract: A wrench of the present invention includes a main body having a handle and a driving portion. The main body is made from aluminum alloy, which consists of Si, Fe, Cu, Mn, Mg, Cr, Zn, Ti and Al. Specifically, the aluminum alloy has less than 1% by weight of Si, less than 1% by weight of Fe, 1-5% by weight of Cu, less than 1% by weight of Mn, 2-5% by weight of Mg, less than 1% by weight of Cr, 5-9% by weight of Zn and less than 1% by weight of and the rest part thereof is Al.
    Type: Application
    Filed: February 25, 2010
    Publication date: May 19, 2011
    Applicant: METALTECH INDUSTRIAL CO., LTD.
    Inventor: TAI-YANG LU