Patents Assigned to SANKO KASEI CO., LTD.
  • Patent number: 11633893
    Abstract: A purpose of the present disclosure is to provide a fine pattern transfer mold and a fine pattern molding method that allow high-resolution transfer of a fine pattern to the interior of a hollow product by integral molding. In a product formation chamber that is formed between a cavity and a core pin member having a predetermined portion at which a fine pattern original plate is fixed by closing of a mold body, a gate into which a molten resin material flows from a hot runner member has an opening that is located outside an end of a fixed surface of the fine pattern original plate in a horizontal direction of the fixed surface and that faces the end of the fixed surface, an injection nozzle of the hot runner member and the gate are directly coupled together, and the hollow product is integrally molded by the resin material flowing from the gate.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: April 25, 2023
    Assignee: SANKO KASEI CO., LTD.
    Inventor: Hisashi Hashimoto
  • Publication number: 20220032518
    Abstract: A purpose of the present disclosure is to provide a fine pattern transfer mold and a fine pattern molding method that allow high-resolution transfer of a fine pattern to the interior of a hollow product by integral molding. In a product formation chamber that is formed between a cavity and a core pin member having a predetermined portion at which a fine pattern original plate is fixed by closing of a mold body, a gate into which a molten resin material flows from a hot runner member has an opening that is located outside an end of a fixed surface of the fine pattern original plate in a horizontal direction of the fixed surface and that faces the end of the fixed surface, an injection nozzle of the hot runner member and the gate are directly coupled together, and the hollow product is integrally molded by the resin material flowing from the gate.
    Type: Application
    Filed: June 17, 2019
    Publication date: February 3, 2022
    Applicant: SANKO KASEI CO., LTD.
    Inventor: Hisashi HASHIMOTO
  • Patent number: 6864320
    Abstract: There is provided a transparent or semitransparent resin composition which can be easily cut. The resin composition can be obtained by mixing a methacrylic resin with an ethylene·vinyl acetate copolymer resin, polybutene-1, polypropylene resin, ionomer and low-density polyethylene in a specific ratio.
    Type: Grant
    Filed: December 12, 2000
    Date of Patent: March 8, 2005
    Assignee: Kawasaki Sanko Kasei Co., Ltd.
    Inventors: Katsutoshi Ogawa, Kiyoshi Ohtsu, Atsuhiko Mukai