Patents Assigned to Meishin Kogyo Kabushikigaisha
  • Apparatus for filtering volume-reduced gel-state polystyrene resin
    Patent number: 7767173
    Abstract: The invention provides a filtration apparatus for volume-reduced gel-state polystyrene resin which can remove foreign matter contained in volume-reduced gel-state polystyrene resin by continuously and effectively filtering the volume-reduced gel-state polystyrene resin.
    Type: Grant
    Filed: April 9, 2004
    Date of Patent: August 3, 2010
    Assignees: Meishin Kogyo Kabushikigaisha
    Inventors: Shigenobu Hamano, Noriomi Hayashi
  • Apparatus for treating volume-reduced polystyrene resin in gel state for material separation and recovery
    Patent number: 7666368
    Abstract: The invention provides an apparatus for continuously and efficiently treating volume-reduced polystyrene resin in gel state, thereby removing solvent and recovering resin. A volume-reduced gel-state polystyrene resin is heated in the separation/recovery apparatus under ambient pressure or reduced pressure, for removal of solvent and recovery of resin.
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: February 23, 2010
    Assignees: Meishin Kogyo Kabushikigaisha
    Inventors: Shigenobu Hamano, Noriomi Hayashi
  • Apparatus for the separation and recovery of volume-reduced polystyrene resin gel
    Publication number: 20060148913
    Abstract: The invention provides an apparatus for continuously and efficiently treating volume-reduced polystyrene resin in gel state, thereby removing solvent and recovering resin. A volume-reduced gel-state polystyrene resin is heated in the separation/recovery apparatus under ambient pressure or reduced pressure, for removal of solvent and recovery of resin.
    Type: Application
    Filed: September 26, 2003
    Publication date: July 6, 2006
    Applicants: Shigenobu Hamano, MEISHIN KOGYO KABUSHIKIGAISHA
    Inventors: Shigenobu Hamano, Noriomi Hayashi