Patents by Inventor Seiji Katashima

Seiji Katashima 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).

  • Patent number: 4660709
    Abstract: An entirely automatic, cold box type machine for molding an integral connecting core, which machine is provided with a sand blowing mechanism and a gassing mechanism, these mechanisms being suspended above an upper frame of the molding machine and traversable, and with a liftable drag car being mounted on the platform of the molding machine, characterized in that a rotatable connecting core feeding device is provided at one side portion outside the molding machine, a reversing unloader is provided at the other side portion, and a connecting core transfer car having a connecting core lifting device is traversably suspended from the upper frame in parallel with the sand blowing mechanism and the gassing mechanism.
    Type: Grant
    Filed: February 26, 1985
    Date of Patent: April 28, 1987
    Assignee: Naniwa Products Co., Ltd.
    Inventors: Kazuo Kawai, Sumikazu Kawai, Seiji Katashima
  • Patent number: 4637450
    Abstract: An entirely automatic, cold box type machine for molding an integral connecting core, which machine is provided with a sand blowing mechanism and a gassing mechanism, these mechanisms being suspended above an upper frame of the molding machine and traversable, and with a liftable drag car being mounted on the platform of the molding machine, characterized in that a rotatable connecting core feeding device is provided at one side portion outside the molding machine, a reversing unloader is provided at the other side portion, and a connecting core transfer car having a connecting core lifting device is traversably suspended from the upper frame in parallel with the sand blowing mechanism and the gassing mechanism.
    Type: Grant
    Filed: February 26, 1985
    Date of Patent: January 20, 1987
    Assignee: Naniwa Products Co., Ltd.
    Inventors: Kazuo Kawai, Sumikazu Kawai, Seiji Katashima
  • Patent number: 4572273
    Abstract: A blow plate and/or blow nozzle automatic cleaning device for use in molding machine comprising a blow plate turning, sand-discharging device consisting of a blow plate holding and turning frame which is turned 90.degree. on the fulcrum provided at one end of the lifting frame equipped with the lifting cylinder, and a compressed air injection mechanism which is arranged opposite to the fulcrum side and movable in its horizontal direction.
    Type: Grant
    Filed: October 26, 1983
    Date of Patent: February 25, 1986
    Assignee: Naniwa Products Co. Ltd.
    Inventor: Seiji Katashima
  • Patent number: 4559989
    Abstract: An entirely automatic, cold box type machine for molding an integral connecting core, which machine is provided with a sand blowing mechanism and a gassing mechanism, these mechanisms being suspended above an upper frame of the molding machine and traversable, and with a liftable drag car being mounted on the platform of the molding machine, characterized in that a rotatable connecting core feeding device is provided at one side portion outside the molding machine, a reversing unloader is provided at the other side portion, and a connecting core transfer car having a connecting core lifting device is traversably suspended from the upper frame in parallel with the sand blowing mechanism and the gassing mechanism.
    Type: Grant
    Filed: April 20, 1983
    Date of Patent: December 24, 1985
    Assignee: Naniwa Products Co.
    Inventors: Kazuo Kawai, Sumikazu Kawai, Seiji Katashima