Patents Assigned to Changshu Huayin Filler Metals Co., Ltd.
  • Cadmium-free silver brazing filler metal
    Patent number: 7985374
    Abstract: A cadmium-free silver brazing filler metal containing gallium, indium, nickel and cerium falls into the field of metal material and metallurgy. Its chemical composition includes (by mass percentage) Cu 28.0%-35.0%, Zn 28.0%-38.0%, Ga 0.1%-2.5%, In 0.1%-2.5%, Ni 0.1%-2.5%, Ce 0.002%-0.1%, and Ag in balance.
    Type: Grant
    Filed: January 22, 2007
    Date of Patent: July 26, 2011
    Assignee: Changshu Huayin Filler Metals Co., Ltd.
    Inventors: Wenhua Gu, Liyong Gu, Songbai Xue, Jianchang Gu
  • CADMIUM-FREE SILVER BRAZING FILLER METAL BRAZING FILLER METAL
    Publication number: 20100135849
    Abstract: A cadmium-free silver brazing filler metal containing gallium, indium, nickel and cerium falls into the field of metal material and metallurgy. Its chemical composition includes (by mass percentage) Cu 28.0%-35.0%, Zn 28.0%-38.0%, Ga 0.1%-2.5%, In 0.1%-2.5%, Ni 0.1%-2.5%, Ce 0.002%-0.1%, and Ag in balance.
    Type: Application
    Filed: January 22, 2007
    Publication date: June 3, 2010
    Applicant: CHANGSHU HUAYIN FILLER METALS CO., LTD.
    Inventors: Wenhua Gu, Liyong Gu, Songbai Xue, Jianchang Gu