Patents by Inventor Hiroaki Sawazaki

Hiroaki Sawazaki 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 coating surfaces of a powdered material by directing coating material into Coanda spiral flow of powdered material
    Patent number: 5188868
    Abstract: A method for coating surfaces of a powdered material includes forming a Coanda flow of a Coanda spiral flow of a powdered material by flowing the powdered material through a Coanda spiral flow forming passage or a Coanda flow forming passage by introducing a pressurized gas into the flow forming passage through a Coanda slit therearound, supplying the thus formed Coanda flow or Coanda spiral flow of powdered material into a further Coanda spiral flow forming passage, and atomizing a liquid coating material with a liquid gas and then directing the atomized liquid coating material into the Coanda flow or Coanda spiral flow of powdered material through a Coanda slit in the further Coanda spiral flow forming passage.
    Type: Grant
    Filed: September 10, 1990
    Date of Patent: February 23, 1993
    Assignee: Fukuvi Chemical Industry Co., Ltd.
    Inventors: Kiyoshi Horii, Hiroaki Sawazaki