Patents by Inventor Yoshito Kawakami

Yoshito Kawakami 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).

  • Washing apparatus for ink rollers of printing machine
    Patent number: 4192231
    Abstract: An automatic washing apparatus for an inking arrangement is provided. The apparatus comprises a washing vessel which contains a brush device, a washing pipe and a doctor blade. The washing vessel is openable and the doctor blade is moved toward and away from a roller of the inking arrangement. Ink and foreign matter adhered to the roller are removed by the doctor blade. The doctor blade is reciprocated either linearly or circularly so that same is scraped by the brush device, whereby the ink and foreign matter adhered to the doctor blade are washed out.
    Type: Grant
    Filed: July 7, 1978
    Date of Patent: March 11, 1980
    Assignees: Toppan Printing Co., Ltd., Nikka Kabushiki Kaisha
    Inventor: Yoshito Kawakami