Patents by Inventor Takao Oka

Takao Oka 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: 11692092
    Abstract: An anti-sticking agent composition for an unvulcanized rubber of the present disclosure includes the following components (A) to (C), and water is provided. The component (A) contains the following component (A1) and the following component (A2). The component (A) is water-soluble polymer, the component (B) is metallic soap, the component (C) is surfactant, the component is (A1) water-soluble polymer other than the component (A2), and the component (A2) is non-ionic cellulose ether.
    Type: Grant
    Filed: April 25, 2021
    Date of Patent: July 4, 2023
    Assignee: LION SPECIALTY CHEMICALS CO., LTD.
    Inventors: Shiro Sehata, Kazuyuki Sakamoto, Takao Oka
  • Publication number: 20210363339
    Abstract: An anti-sticking agent composition for an unvulcanized rubber of the present disclosure includes the following components (A) to (C), and water is provided. The component (A) contains the following component (A1) and the following component (A2). The component (A) is water-soluble polymer, the component (B) is metallic soap, the component (C) is surfactant, the component is (A1) water-soluble polymer other than the component (A2), and the component (A2) is non-ionic cellulose ether.
    Type: Application
    Filed: April 25, 2021
    Publication date: November 25, 2021
    Applicant: LION SPECIALTY CHEMICALS CO., LTD.
    Inventors: Shiro SEHATA, kazuyuki SAKAMOTO, Takao OKA
  • Publication number: 20200255604
    Abstract: An anti-tack liquid Q1 is produced by an anti-tack liquid production device, using an anti-tack agent G for unvulcanized rubber in the form of a solid having a moisture content that is more than 3% by mass but is 35% by mass or less, wherein the aforementioned device includes: a hopper 11 for storing the anti-tack agent G for unvulcanized rubber; a stirring tank 13 for mixing water and the anti-tack agent G for unvulcanized rubber; and a quantitative feeder 12 for quantitatively supplying a constant amount of the anti-tack agent for unvulcanized rubber from the hopper 11 to the stirring tank 13.
    Type: Application
    Filed: September 10, 2018
    Publication date: August 13, 2020
    Applicant: Lion Specialty Chemicals Co., Ltd.
    Inventors: Kazuyuki SAKAMOTO, Takuya SOGA, Katsuyoshi EBATA, Takao OKA, Kasumi MUKAIDA, Shiro SEHATA
  • Publication number: 20190016872
    Abstract: Provided is an anti-tack agent for unvulcanized rubber capable of achieving both anti-tack properties and reduction in the amount of foreign matter attributed to the anti-tack agent. The anti-tack agent for unvulcanized rubber is characterized by containing components (A)-(C), the component (B) contains a component (B1), and the contained proportion of the component (B1) is 2-50 mass % with respect to the total mass amount of the component (B). (A) Smectite. (B) At least one material selected from the group consisting of inorganic silicates excluding smectite, inorganic carbonates, inorganic sulfates, metal oxides, metal hydroxides, red iron oxide, carbon black, graphite, and metallic soaps. (C) Surfactant. (B1) At least one metallic soap selected from the group consisting of zinc, magnesium, and aluminum.
    Type: Application
    Filed: September 19, 2018
    Publication date: January 17, 2019
    Applicant: LION SPECIALTY CHEMICALS CO., LTD.
    Inventor: Takao OKA
  • Patent number: 4682385
    Abstract: A chain of linked sausages is suspended from a bar in equally spaced loops by continuously discharging the chain of linked sausages while the chain is formed into into loops, suspending the loops of sausages directly from the bar a rearward end of which is situated inside the loops as they are formed, and successively moving each loop suspended from the bar toward a forward end of the bar while a uniform loop spacing is maintained.
    Type: Grant
    Filed: October 25, 1985
    Date of Patent: July 28, 1987
    Assignees: Fukutome Meat Packers, Ltd., Hitec Co., Ltd.
    Inventors: Minoru Kasai, Takao Oka, Munenori Takamagari, Chiyoji Shibata, Minoru Nakamura