Patents Assigned to IBARAKI INDUSTRIAL CORPORATION
  • Method of manufacturing bar member and bar member
    Patent number: 9695925
    Abstract: A method of manufacturing a bar member including a pipe and metal members includes: forming a core member including a metal ring having an outer peripheral face subjected to face roughening and a mandrel; winding glass fibers around the outer peripheral face; winding a carbon fiber prepreg around the core member; forming the pipe externally fitted and fixed to the outer peripheral face by baking and curing the carbon fiber prepreg; pulling the mandrel out of the pipe; and screwing together the metal members and the metal ring.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: July 4, 2017
    Assignees: JTEKT CORPORATION, IBARAKI INDUSTRIAL CORPORATION
    Inventors: Shuji Toyodome, Takeshi Kunishima