Patents by Inventor Raymond Allouf

Raymond Allouf has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Steel sheet carrying a protective layer and process for producing such a sheet
    Patent number: 4421828
    Abstract: The invention relates to mild steel sheet, having deposited on at least one of its major faces a sub-layer of tin in an amount of 0.1 to 1.05 g/l and a composite coating containing chronmium and chronmium oxide. The content of chromium in the composite coating is more than 5 .mu.g/cm.sup.2 while the content of chromium oxide in the coating, expressed in terms of chromium, is less than 2.5 .mu.g/cm.sup.2.The resultant sheets give improved welds when joined by electric welding and are particularly suited for making can bodies for food cans.
    Type: Grant
    Filed: September 8, 1980
    Date of Patent: December 20, 1983
    Assignee: Carnaud S.A.
    Inventors: Raymond Allouf, Claude Mergey