Patents Assigned to Chiyoda Kenki Co., Ltd.
  • Composite hose construction
    Patent number: 4942905
    Abstract: A composite hose for heavy-duty purposes is disclosed which is essentially comprised of a flexible main hose of increased diameter and a subhose disposed longitudinally thereover. The subhose has a reinforcing layer oriented at a specified angle to thereby dilate widthwise upon application of pressure, allowing the main hose to readily bend in a predetermined direction.
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: July 24, 1990
    Assignees: The Yokohama Rubber Co., Ltd., Chiyoda Kenki Co., Ltd.
    Inventors: Eiji Takemae, Masakazu Koizumi, Tadashi Ishibashi