Patents by Inventor Haruo Katahira

Haruo Katahira 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).

  • Apparatus for automatically preparing a dyeing solution
    Patent number: 5115874
    Abstract: An apparatus for automatically preparing dyeing solutions, comprising for respectively accommodating dye stock solutions and dye auxiliary solutions; transfer means loaded with the containers; outflow pipes incorporated with a cleaning mechanism and also equipped with a pump and a valve for causing an outflow of the dye stock solutions and the dye auxiliary solutions from the containers; receiving vessels for successively receiving the dye stock solutions and the dye auxiliary solutions from the outflow pipes; weighing means for converting, into electric signals, weight changes of the dye stock solutions and the dye auxiliary solutions which have been received in the receiving vessels; transfer means loaded with the receiving vessels; a control mechanism for continuously or intermittently opening and closing the pump and the valve by making a comparison with a predetermined value in accordance with a level of the electric signal; a dilution water outflow pipe provided with a valve for causing dilution water t
    Type: Grant
    Filed: September 21, 1990
    Date of Patent: May 26, 1992
    Assignees: Japan Exlan Company, Limited, Excom Co., Ltd.
    Inventors: Takuro Hayahara, Haruo Katahira, Akiyoshi Nishida, Susumu Fukuda