Patents Assigned to Nippon Carbon Kabushiki Kaisha
  • Gut for racket
    Patent number: 4084399
    Abstract: A gut is provided for a sports racket such as a tennis racket. The gut is made with carbon fibers. The gut may be made solely of carbon fibers or there may be a combination of carbon fibers and organic and/or inorganic fibers. A coating may be provided for the resultant product which may be a synthetic resin or metallic. The carbon fiber is above 150 kg/mm.sup.2 in tensile strength.
    Type: Grant
    Filed: August 23, 1976
    Date of Patent: April 18, 1978
    Assignee: Nippon Carbon Kabushiki Kaisha
    Inventors: Toyonosuke Kanemaru, Yukuo Hisatomi, Takafumi Nishimoto