Patents by Inventor Isamu Kasai

Isamu Kasai 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 for winding a false twisted yarn in a cheese
    Patent number: 4300345
    Abstract: A method for soft winding around a bobbin a false twisted yarn, which is delivered from a false twisting zone wherein false twists imparted into a fed yarn and running back therealong are heat set and which is heat treated by a second heater, the false twisted yarn being fed by means of a yarn delivery means to the bobbin in a winding apparatus. The time period wherein the false twisted yarn travels from the yarn delivery means to the bobbin is adjusted at a special value so that a soft wound cheese having a uniform and low apparent density and good shape can be obtained.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: November 17, 1981
    Assignee: Toray Industries, Inc.
    Inventors: Isamu Kasai, Kazuo Tomiita, Hisao Inuyama