Patents by Inventor Yoshio Ogi

Yoshio Ogi 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 for manufacturing hollow plastic articles by joining hollow molded portions by a molded joint
    Patent number: 4261947
    Abstract: A method of making a plastic article and in particular a hollow plastic article having reinforcing ribs or ridges in the inner side such as an air cleaner casing, a tank or an airtightly closed float. The plastic article comprises at least two separately molded portions and at least one molded joint portion which is molded in jointing grooves formed between opposed dividing end faces of the molded portions, the molded joint portion and the separately molded portions being united into one body by fusing at their contact surfaces.
    Type: Grant
    Filed: March 7, 1979
    Date of Patent: April 14, 1981
    Inventor: Yoshio Ogi
  • Plastic articles
    Patent number: 4155478
    Abstract: A plastic article and in particular a hollow plastic article having reinforcing ribs or ridges in the inner side such as an air cleaner casing, a tank or an airtightly closed float. The plastic article comprises at least two separately molded portions and at least one molded joint portion which is molded in jointing grooves formed between opposed dividing end faces of said molded portions, said molded joint portion and said separately molded portions being united into one body by fusing at their contact surfaces.
    Type: Grant
    Filed: December 29, 1977
    Date of Patent: May 22, 1979
    Inventor: Yoshio Ogi