Patents by Inventor Kohei Sugimura

Kohei Sugimura 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).

  • V-ribbed belt and method for producing same
    Patent number: 10760646
    Abstract: A V-ribbed belt includes a compression rubber layer containing a vulcanizate of a rubber composition, a tension member, and a tension layer, and has a side part of the compression rubber layer being a ground surface coming into contact with pulleys, and a bottom part of the compression rubber layer being a non-ground surface not coming into contact with pulleys. The V-ribbed belt has, on a surface of the bottom part, a composite layer containing a fiber assembly and a vulcanizate. The fiber assembly contains a heat-resistant fiber which is not melted at a vulcanization temperature of the rubber composition and has a weight per unit area of 25 g/m2 or less. The vulcanizate of the rubber composition impregnated among fibers of the fiber assembly.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: September 1, 2020
    Assignee: Mitsuboshi Belting Ltd.
    Inventors: Masashi Harada, Kohei Sugimura, Shuhei Tanaka
  • V-Ribbed Belt and Method for Producing Same
    Publication number: 20180223953
    Abstract: A V-ribbed belt includes a compression rubber layer containing a vulcanizate of a rubber composition, a tension member, and a tension layer, and has a side part of the compression rubber layer being a ground surface coming into contact with pulleys, and a bottom part of the compression rubber layer being a non-ground surface not coming into contact with pulleys. The V-ribbed belt has, on a surface of the bottom part, a composite layer containing a fiber assembly and a vulcanizate. The fiber assembly contains a heat-resistant fiber which is not melted at a vulcanization temperature of the rubber composition and has a weight per unit area of 25 g/m2 or less. The vulcanizate of the rubber composition impregnated among fibers of the fiber assembly.
    Type: Application
    Filed: September 23, 2016
    Publication date: August 9, 2018
    Applicant: Mitsuboshi Belting Ltd.
    Inventors: Masashi Harada, Kohei Sugimura, Shuhei Tanaka