Patents by Inventor Mitsuru Suetomi

Mitsuru Suetomi 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).

  • Used in manufacturing nonwoven fabric
    Publication number: 20010026815
    Abstract: A spinning die for nonwoven fabric is provided which can spin fibers having fine diameters and can reduce the energy cost. A pair of hot air discharge slits are provided near the tips of nozzles for extruding a molten polymer, and a pair of cool air discharge slits are provided downstream to supply cool air in a large amount, thereby orientating molten polymer extruded from the nozzles by the negative pressure produced by current of cool air.
    Type: Application
    Filed: May 2, 2001
    Publication date: October 4, 2001
    Inventor: Mitsuru Suetomi