Patents by Inventor Yasushi Maekawa

Yasushi Maekawa 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).

  • Patent number: 5495990
    Abstract: A method for removing a wrapped yarn coil of an initial yarn portion of a package; the wrapped yarn coil being wound on a bobbin while being gripped by a slit-like groove formed on the bobbin end along a peripheral circle of the bobbin, and being followed by a transfer tail; including steps ofsevering the wrapped yarn coil at a position on the bobbin end in which the slit-like groove does not exist,while holding the severed ends of the wrapped yarn coil by suction, gripping the severed ends by grippers, andremoving the wrapped yarn coil from the slit-like groove along the periphery of the bobbin while rotating the grippers in the twisting direction so that a twist is imparted to the wrapped yarn coil held by the grippers.
    Type: Grant
    Filed: March 25, 1993
    Date of Patent: March 5, 1996
    Assignee: Teijin Limited
    Inventors: Masayuki Tamura, Akira Shinohara, Koichi Kobayashi, Yasushi Maekawa, Minoru Yoshida