Patents by Inventor Sakuzo Fukano

Sakuzo Fukano 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).

  • Method of heat retention in a blind riser
    Patent number: 4566518
    Abstract: A method of the heat-retention in a blind riser in metal casting by using a sand mould, characterized in that an exothermic moulded composition is arranged in a drag holding cavity below a blind riser in the cope of the mould or in the neighborhood of the blind riser before the melt is poured, and thereafter the melt is poured to cause the exothermic moulded composition to float up into the blind riser to retain heat therein.
    Type: Grant
    Filed: September 12, 1983
    Date of Patent: January 28, 1986
    Assignee: Aikoh Co., Ltd.
    Inventors: Jun Kawamura, Sakuzo Fukano