Patents by Inventor Hirotoshi KAGOTA

Hirotoshi KAGOTA 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: 9358704
    Abstract: A spoke casting device for integrally cast-molding a spoke of an airless tire includes a casting mold including upper and lower molds which relatively moves between mold closed and mold open states in tire axial direction, a positioning device which concentrically positions a hub and a tread ring with respect to the cast mold, and a demolding device which pushes out an airless tire from the lower mold in the open state. The cast mold concentrically holds the ring and hub between the upper and lower molds and forms a cavity for casting a spoke made of a polymer material between the ring and hub held in the closed state, and the positioning device includes a first positioning device including an outer peripheral surface contact portion such that the contact portion makes contact with outer peripheral surface of the ring and positions the ring with respect to the cast mold.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: June 7, 2016
    Assignee: SUMITOMO RUBBER INDUSTRIES LTD.
    Inventors: Hirotoshi Kagota, Wako Iwamura, Makoto Sugiya
  • Publication number: 20150352755
    Abstract: A spoke casting device for integrally cast-molding a spoke of an airless tire includes a casting mold including upper and lower molds which relatively moves between mold closed and mold open states in tire axial direction, a positioning device which concentrically positions a hub and a tread ring with respect to the cast mold, and a demolding device which pushes out an airless tire from the lower mold in the open state. The cast mold concentrically holds the ring and hub between the upper and lower molds and forms a cavity for casting a spoke made of a polymer material between the ring and hub held in the closed state, and the positioning device includes a first positioning device including an outer peripheral surface contact portion such that the contact portion makes contact with outer peripheral surface of the ring and positions the ring with respect to the cast mold.
    Type: Application
    Filed: June 3, 2015
    Publication date: December 10, 2015
    Applicant: SUMITOMO RUBBER INDUSTRIES LTD.
    Inventors: Hirotoshi KAGOTA, Wako Iwamura, Makoto Sugiya