Patents by Inventor Masayoshi Shimojo

Masayoshi Shimojo 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).

  • Process and apparatus for heat treatment of synthetic fiber assemblies
    Patent number: 3972127
    Abstract: Process and apparatus by means of which synthetic fiber tow, sliver or yarn is heated in a relaxed state or under tension. The material, while passing through a horizontally elongated oven provided with a series of infrared ray heaters on both the top and bottom walls, is irradiated by far infrared rays having a peak wave length of 3.5 to 7.0 .mu., while an air curtain is formed between the material and each series of infrared ray heaters; the atmosphere surrounding the material in the oven is kept at 80.degree. to 280.degree.C. Rapid treatment is possible without any adverse effects on the material.
    Type: Grant
    Filed: September 12, 1974
    Date of Patent: August 3, 1976
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Toyohiko Hoshi, Masayoshi Shimojo, Yasunori Suma