Patents Represented by Law Firm Watson Leavenworth Kelton & Tagga
  • Container or can and a method for manufacturing the same
    Patent number: 3978803
    Abstract: A steel sheet having a Ni or Cu base plating layer and a Sn upper plating layer characterized by the absence of any alloy layer intervening therebetween is subjected to an ironing operation with the thickness of the plating being relatively small. The internal surface of the can thus formed is provided with an organic coating for packing foodstuffs including effervescent beverages.
    Type: Grant
    Filed: July 15, 1974
    Date of Patent: September 7, 1976
    Assignee: Nippon Steel Corporation
    Inventors: Hidejiro Asano, Yashichi Oyagi