Patents by Inventor Hirohisa USUI

Hirohisa USUI 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).

  • High-pressure hose and manufacturing method thereof
    Patent number: 11333272
    Abstract: A high-pressure hose includes: an internal rubber layer; an external rubber layer; reinforcement layers having even number of layers, two or more of the reinforcement layers are provided between the internal rubber layer (10) and the external rubber layer (20), a plurality of reinforcement wires (41a to 44a) are wound around the reinforcement layers in a spiral shape such that winding directions of the reinforcement wires (41a to 44a) alternate; and intermediate rubber layers (51 to 54), each of which is disposed between the reinforcement layers (41 to 44) having even number of layers. A same winding angle (?) is set for the reinforcement wires (41a to 44a) in all levels of the reinforcement layers (41 to 44) having even number of layers, and a winding pitch (P) of the reinforcement wires (41a to 44a) in the reinforcement layers (41 to 44) having even number of layers is set to increase in an order from a side of the internal rubber layer (10) to a side of the external rubber layer (20).
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: May 17, 2022
    Assignee: Sumitomo Riko Hosetex, Ltd.
    Inventors: Koichiro Kawai, Satoshi Senda, Hirohisa Usui
  • HIGH-PRESSURE HOSE AND MANUFACTURING METHOD THEREOF
    Publication number: 20210156497
    Abstract: A high-pressure hose includes: an internal rubber layer; an external rubber layer; reinforcement layers having even number of layers, two or more of the reinforcement layers are provided between the internal rubber layer (10) and the external rubber layer (20), a plurality of reinforcement wires (41a to 44a) are wound around the reinforcement layers in a spiral shape such that winding directions of the reinforcement wires (41a to 44a) alternate; and intermediate rubber layers (51 to 54), each of which is disposed between the reinforcement layers (41 to 44) having even number of layers. A same winding angle (?) is set for the reinforcement wires (41a to 44a) in all levels of the reinforcement layers (41 to 44) having even number of layers, and a winding pitch (P) of the reinforcement wires (41a to 44a) in the reinforcement layers (41 to 44) having even number of layers is set to increase in an order from a side of the internal rubber layer (10) to a side of the external rubber layer (20).
    Type: Application
    Filed: February 3, 2021
    Publication date: May 27, 2021
    Applicant: Sumitomo Riko Hosetex, Ltd.
    Inventors: Koichiro KAWAI, Satoshi SENDA, Hirohisa USUI