Patents by Inventor Yoshimi Nishikawa

Yoshimi Nishikawa 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).

  • Multiple lane ironing and doming apparatus
    Patent number: 5301534
    Abstract: A multiple lane ironing and doming apparatus for ironing and doming cup-shaped blanks into can bodies by pushing them through ironing dies by reciprocations of punches. The apparatus comprises: a plurality of punches vertically held and retained at their upper ends for vertical reciprocations; at least one ironing die unit arranged below and coaxially with each of said punches for ironing cup-shaped blanks into ironed can bodies; one doming unit arranged below the ironing die for doming the bottoms of the ironed can bodies into a predetermined configuration; stripping means for stripping the ironed and domed can bodies from the punches; and conveying means for discharging the stripped can bodies from below the punches.
    Type: Grant
    Filed: October 27, 1992
    Date of Patent: April 12, 1994
    Assignees: Daiwa Can Company, Shin Nippon Koki Co., Ltd.
    Inventors: Yoshimi Nishikawa, Keiji Murozuka, Takaji Miyazaki