Patents by Inventor Kazuaki Kondoh

Kazuaki Kondoh 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).

  • Automatic sipe forming machine
    Patent number: 4609026
    Abstract: An automatic sipe forming machine for forming sipes on a tread face of a tire, including a tire supporting apparatus and a sipe forming apparatus. The tire supporting apparatus further includes a tire bearing mechanism and an intermittent rotary mechanism for intermittently rotating the tire. The sipe forming apparatus further includes at least one disc cutter, a sliding beam, a cutter holder, a carriage for reciprocatingly guiding the cutter holder, and a guide member for reciprocatingly guiding the carriage. The sipe forming apparatus can further include an angle changing mechanism for changing a sipe forming angle of the disc cutter.
    Type: Grant
    Filed: March 14, 1984
    Date of Patent: September 2, 1986
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventor: Kazuaki Kondoh