Patents by Inventor Yasayuki Ikeda

Yasayuki Ikeda 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).

  • Process for producing resin-coated aluminum alloy sheet for drawn/ironed cans
    Patent number: 6267826
    Abstract: A method of manufacturing a resin-coated aluminum alloy sheet for drawn and ironed cans, which can be formed into a drawn and ironed can free from its wall breaking and having enough strength as a can, when it is formed through a composite forming process, the process including a bending and bending back operation at a die shoulder rounded portion of a small shoulder radius and a subsequent ironing operation, under dry condition; which comprises the steps of homogenization heat treating an aluminum alloy ingot containing essentially 0.5 to 2.0 wt % of Mn, 0.2 to 2.0 wt % of Mg, 0.05 to 0.4 wt % of Si and not more than 0.7 wt % of Fe as inevitable impurities, wherein (Si+Fe)≦0.
    Type: Grant
    Filed: April 1, 1999
    Date of Patent: July 31, 2001
    Assignee: Toyo Kohan Co., Ltd.
    Inventors: Keiichi Shimizu, Shinji Shirai, Yasayuki Ikeda, Ayumu Taniguchi, Jun-Ichi Tanabe, Fumio Kunishige, Masao Komai