Composite metal article

• US 3,064,337 A
• Filed: 05/19/1958
• Issued: 11/20/1962
• Est. Priority Date: 05/19/1958
• Status: Expired due to Term

• Current Assignee: Glade B. Bowman, Milton B. Hammond
• Original Assignee: Glade B. Bowman, Milton B. Hammond
• Inventors: Hammond, Milton B., Bowman, Glade B.
• Application Number:
  US03/735,950
• Time in Patent Office: 1,646 Days
• US Class Current: 428/635
• CPC Class Codes: C25D 5/10 Electroplating with more than one layer of the same or of different metals for bearings C25D7/10
• CPC Class Codes: C25D 5/12 at least one layer being of nickel or chromium
• CPC Class Codes: C25D 5/611 Smooth layers
• CPC Class Codes: C25D 5/619 Amorphous layers
• CPC Class Codes: C25D 5/623 Porosity of the layers
• CPC Class Codes: C25D 5/627 Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance
• CPC Class Codes: Y10S 428/926 Thickness of individual layer specified
• CPC Class Codes: Y10S 428/935 Electroplating
• CPC Class Codes: Y10T 428/12632 Four or more distinct components with alternate recurrence of each type component
• CPC Class Codes: Y10T 428/12792 Zn-base component
• CPC Class Codes: Y10T 428/12861 Group VIII or IB metal-base component
• CPC Class Codes: Y10T 428/12944 Ni-base component

Claims

1. A METAL ARTICLE COMPRISING A BASE COMPOSED CHIEFLY OF A METAL SELECTED FROM THE GROUP CONSISTING OF IRON AND ZINC, SAID BASE HAVING AN ADHERENT PROTECTIVE COATING OF ALLOY CONSISTING OF A LAYER OF ELECTRODEPOSITED NICKEL AND ZINC ALLOYED WITH ONE ANOTHER WITH AVERAGE PROPORTIONS OF BETWEEN ABOUT 13% AND ABOUT 24% NICKEL AND THE BALANCE ZINC, AND AN ADJACENT ALLOY DEPOSIT DIRECTLY THEREUPON HAVING AVERAGE PROPORTIONS OF BETWEEN ABOUT 56% AND ABOUT 96% NICKEL AND THE BALANCE ZINC.