Patents Assigned to Roki CP., Ltd.
  • Intake duct
    Patent number: 8132552
    Abstract: The object of the present invention is to provide an intake duct having waterproof function without increasing parts count. An intake duct 10 for air intake from the outside to an internal combustion engine E includes a duct wall 11 made of a resin in a tubular form. The duct wall 11 includes a waterproof and humidity-transparent component 20 having a water-repellent layer 21 made of high-density fiber and a waterproof and humidity-transparent layer 22 made of fine porous film laminated to each other.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: March 13, 2012
    Assignee: Roki CP., Ltd.
    Inventors: Taketoshi Matsumoto, Takahiro Amano, Tadayuki Onoda