Patents Assigned to Erma Inc.
  • Unit for degassing liquids
    Patent number: 4729773
    Abstract: A unit for degassing liquids including soft, viscous substances. The unit comprises a pipe body having an interior, and a tube housed within the interior of the pipe so as to allow liquids to flow through the porous tube. The tube is of a material porous to the passage of gases but not the passage of liquids.
    Type: Grant
    Filed: August 11, 1986
    Date of Patent: March 8, 1988
    Assignee: Erma Inc.
    Inventors: Kozo Shirato, Kazuyasu Kawashima
  • Apparatus for adjusting the concentration of a solution
    Patent number: 4652364
    Abstract: An apparatus for adjusting concentration of a solution comprises a plurality of semipermeable membrane tubes located within a container, a liquid A supply pipe connected to the container and communicating with the interior of said semipermeable membrane tubes and a liquid B supply pipe connected to said container to communicate with the exterior of the tubes.
    Type: Grant
    Filed: January 3, 1986
    Date of Patent: March 24, 1987
    Assignee: Erma Inc.
    Inventors: Kozo Shirato, Kazuo Hiraizumi, Masashi Kobayashi, Kazuyasu Kawashima