Patents Assigned to Tabuchi Corp.
  • Patent number: 6419766
    Abstract: A cutting-free bronze alloy which is substantially free of lead contains 1 to 13 wt. % of tin, not larger than 18 wt. % of zinc, 0.5 to 6 wt. % of bismuth, 0.05 to 3 wt. % of antimony, not larger than 1 wt. % of phosphorus, less than 0.4 wt. % of lead, and the balance being copper. The alloy may further contain 0.1 to 3 wt. % of nickel. When 3 to 8 wt. % of tin and 6 to 10 wt. % of zinc are present, the alloy is particularly suitable for use as a plumbing faucet and fixture. Likewise, when 8.5 to 13 wt. % of tin and not larger than 1 wt. % of zinc are present, the alloy is suitable for use as a sliding member.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: July 16, 2002
    Assignees: Tabuchi Corp., Chuetsu Metal Works Co., Ltd.
    Inventors: Yukinori Ikemiya, Hideki Yoshimura, Kenji Sugiyama, Kunio Nakashima, Masao Hosoda, Wataru Yago, Kazuyuki Inagaki