Patents by Inventor Mitsuya Kurachi

Mitsuya Kurachi 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 to process a steering wheel and a processing device of a steering wheel
    Patent number: 5127198
    Abstract: A soft synthetic resin, such as polyurethane, body is molded onto a metallic steering wheel frame except for a part thereof intended for installation of the steering wheel onto a column shaft and a soft burr formed on the resultant covered steering wheel along the parting line of the mold is removed by refrigerating the steering wheel to make the burr hard and fragile and then removing the burr by shot blast treatment, whereafter the steering wheel is heat dried to eliminate water from the atmosphere condensing on the exposed metallic installation part of the steering wheel and prevent resulting corrosion of that part.
    Type: Grant
    Filed: April 23, 1991
    Date of Patent: July 7, 1992
    Inventors: Akinori Nakayama, Mitsuya Kurachi, Kiyoshi Sudo, Toshiharu Kamijo
  • Method to process a steering wheel and a processing device of a steering wheel
    Patent number: 5029419
    Abstract: A soft synthetic resin, such as polyurethane, body is molded onto a metallic steering wheel frame except for a part thereof intended for installation of the steering wheel onto a column shaft and a soft burr formed on the resultant covered steering wheel along the parting line of the mold is removed by refrigerating the steering wheel to make the burr hard and fragile and then removing the burr by shot blast treatment, whereafter the steering wheel is heat dried to eliminate water from the atmosphere condensing on the exposed metallic installation part of the steering wheel and prevent resulting corrosion of that part.
    Type: Grant
    Filed: March 2, 1990
    Date of Patent: July 9, 1991
    Assignees: Nippon Sangyo Kikai Hanbai Co., Ltd., Showa Tansan Co., Ltd.
    Inventors: Akinori Nakayama, Mitsuya Kurachi, Kiyoshi Sudo, Toshiharu Kamijo