Patents by Inventor Yuji MINOWA

Yuji MINOWA 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).

  • Parison guide
    Patent number: 10406739
    Abstract: There is provided a parison guide which improves a flatness of parison with a simple configuration. A parison guide (1) guides a parison (P) which has an arc shape in horizontal cross section and is discharged from an extrusion apparatus (2). The parison guide is fixed to a discharge-side end portion of the extrusion apparatus (2). The parison guide includes a contact face (17) configured to come into contact with and guide an edge portion of the parison to flatten the parison. Preferably, the contact face (17) includes a curved surface, and the contact face (17) has a curvature of a horizontal cross section which gets smaller in a discharge direction.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: September 10, 2019
    Assignees: YACHIYO INDUSTRY CO., LTD., THE JAPAN STEEL WORKS, LTD.
    Inventors: Kunihiko Kondo, Kazuhiro Ohtaki, Yuji Minowa, Toshinari Takeyama, Toshio Kagitani
  • PARISON GUIDE
    Publication number: 20180319069
    Abstract: There is provided a parison guide which improves a flatness of parison with a simple configuration. A parison guide (1) guides a parison (P) which has an arc shape in horizontal cross section and is discharged from an extrusion apparatus (2). The parison guide is fixed to a discharge-side end portion of the extrusion apparatus (2). The parison guide includes a contact face (17) configured to come into contact with and guide an edge portion of the parison to flatten the parison. Preferably, the contact face (17) includes a curved surface, and the contact face (17) has a curvature of a horizontal cross section which gets smaller in a discharge direction.
    Type: Application
    Filed: October 7, 2016
    Publication date: November 8, 2018
    Inventors: Kunihiko KONDO, Kazuhiro OHTAKI, Yuji MINOWA, Toshinari TAKEYAMA, Toshio KAGITANI