Patents by Inventor Kakuji Osumi

Kakuji Osumi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for passing a cable, a wire or an optical fiber through a passage
    Patent number: 5118226
    Abstract: In a method of passing a wire, cable, optical fiber or the like through a passage, a coanda spiral flow unit is connected to the passage, a pressure release port is provided along the length from the coanda spiral flow unit to the end of the passage, compressed gas is supplied from a portable-type compressed gas supply through a coanda slit of said coanda spiral flow unit, a conductor or a guide is inserted through an end introducing port of said coanda spiral flow unit and passed through the passage. Smooth passing operations can be conducted at high speeds, even through a long and thin passage with many bends.
    Type: Grant
    Filed: September 10, 1990
    Date of Patent: June 2, 1992
    Assignee: Toa Kikai Kogyo Co., Ltd.
    Inventors: Kiyoshi Horii, Kakuji Osumi