Patents by Inventor Takahiro Shiota

Takahiro Shiota 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).

  • Blown film forming apparatus
    Patent number: 11697240
    Abstract: Provide is a blown film forming apparatus including a die including a columnar inner peripheral member and a cylindrical outer peripheral member that surrounds the inner peripheral member, and extruding a resin from a lip formed between the inner peripheral member and the outer peripheral member, and a plurality of die lip drive mechanisms including a fluid pressure actuator as a drive source and adjusting a lip width by applying a radial load to the outer peripheral member, in which the outer peripheral member includes a plurality of load receiving portions to which a load is applied by the die lip drive mechanism, and a stiffness reducing portion that is provided between the plurality of load receiving portions.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: July 11, 2023
    Assignee: SUMITOMO HEAVY INDUSTRIES MODERN, LTD.
    Inventor: Takahiro Shiota
  • BLOWN FILM FORMING APPARATUS
    Publication number: 20210299931
    Abstract: Provide is a blown film forming apparatus including a die including a columnar inner peripheral member and a cylindrical outer peripheral member that surrounds the inner peripheral member, and extruding a resin from a lip formed between the inner peripheral member and the outer peripheral member, and a plurality of die lip drive mechanisms including a fluid pressure actuator as a drive source and adjusting a lip width by applying a radial load to the outer peripheral member, in which the outer peripheral member includes a plurality of load receiving portions to which a load is applied by the die lip drive mechanism, and a stiffness reducing portion that is provided between the plurality of load receiving portions.
    Type: Application
    Filed: March 31, 2021
    Publication date: September 30, 2021
    Inventor: Takahiro Shiota