Patents Assigned to Tokyo Sen-I Kogyo Co., Ltd.
  • Patent number: 4889963
    Abstract: A flexible electrically conductive sheet includes a wove fabric of fibers including stainless steel fibers, the woven fabric being impregnated with a synthetic resin material. Portions of the stainless steel fibers are exposed on surfaces of the synthetic resin material. By bringing an electrostatically charged object into contact with the exposed stainless steel fibers, the charged static electricity can be removed.
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: December 26, 1989
    Assignee: Tokyo Sen-I Kogyo Co., Ltd.
    Inventor: Kozo Onai
  • Patent number: 4870535
    Abstract: An antistatic hose is provided, including an inner layer of insulation material having a cylindrical configuration; a first electrically conductive fiber spirally arranged within the inner layer; a second electrically conductive fiber longitudinally arranged within the inner layer and electrically connected to the first electrically conductive fiber at the crossing points therewith; a linear reinforcing member spirally wound around the external surface of the inner layer and adhered thereto; and a member for covering both the inner layer and the reinforcing member and adhered thereto. The antistatic hose is able to prevent a material conducted by the hose from being charged by static electricity and also to discharge the static electricity from the material. In addition, an anti-collapse characteristic is achieved by the spirally wound reinforcing member and the cover member strongly adhered to both the inner layer and the reinforcing member to prevent separation therebetween.
    Type: Grant
    Filed: June 6, 1988
    Date of Patent: September 26, 1989
    Assignee: Tokyo Sen-I Kogyo Co., Ltd.
    Inventor: Seiichi Matsumoto