Patents by Inventor Noboru Imasaka

Noboru Imasaka 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).

  • Filter press
    Patent number: 5106498
    Abstract: A filter press according to the present invention comprises tension bearing means which are mounted on the filter plates respectively and which prevent movements of the forward ends of the filter cloths to bear the tensions for drawing out the forward ends of the filter cloths from the cloth reservoir means when the distance between the filter plates is decreased to bring the filter plates adjacent to each other into contact with each other, so that the tensions of the filter cloths are not applied to the drawing means when the distance between the filter plates is decreased. Therefore, attitudes of the filter plates are not changed by the tensions of the filter cloths and the filter plates can be brought into intimate contact with each other with constant pressure therebetween.
    Type: Grant
    Filed: September 17, 1990
    Date of Patent: April 21, 1992
    Assignee: Tsukishima Kikai Co., Ltd.
    Inventors: Noboru Imasaka, Shinzi Ishii, Shinzi Kaneko, Takashi Kikkawa